CN205607948U - Methane carbon monoxide detector alarm - Google Patents
Methane carbon monoxide detector alarm Download PDFInfo
- Publication number
- CN205607948U CN205607948U CN201520777703.5U CN201520777703U CN205607948U CN 205607948 U CN205607948 U CN 205607948U CN 201520777703 U CN201520777703 U CN 201520777703U CN 205607948 U CN205607948 U CN 205607948U
- Authority
- CN
- China
- Prior art keywords
- methane
- carbon monoxide
- alarm
- emergency light
- transducer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The utility model relates to a methane carbon monoxide detector alarm, be equipped with warning socket harmony window on the convex surface of its casing lid, be equipped with viewing aperture and button mouth on the concave surface, casing box top is equipped with the methane air inlet, the carbon monoxide air inlet, casing box side is equipped with emergent socket, emergency light switch and power outlet, be equipped with methane transducer in the casing box, carbon monoxide transducer, and a control circuit boar, a power supply, emergency light and emergency light power, the last alarm that is equipped with of control circuit board, the display panel, the button, wireless transceiver module, data memory and singlechip, the alarm includes the light crossing -signal, acoustic alarm ware and vibrations alarm, the utility model has the characteristics of the function is many, the quality is light, small, sensitivity is high, stability is high, portable type colliery methane and gaseous detection and the warning of carbon monoxide in the pit can realize removing.
Description
Technical field
This utility model relates to methane Carbon Monoxide Detection alarm, belongs to gas testing device technical field.
Background technology
The inflammable gas such as methane, carbon monoxide it is easily generated, when this kind of gas exceedes certain limit under coal mine working environment
After can explode, jeopardize personnel in the pit's safety, it is therefore proposed that a kind of dual-purpose monitoring alarm instrument of methane carbon monoxide measurer,
Methane carbonomonoxide concentration can be detected, realize after threshold value reporting to the police, effectively prevent security incident.
The most existing multiple patents propose methane Carbon Monoxide Detection alarm, as patent CN204269536U proposes one
Planting portable methane carbon monoxide measurer, using infrared detection head is air-sensitive original paper, and manufacturing cost is high, and machining accuracy is high, coal
Ore deposit device is difficult to apply；Patent CN103529089A proposes a kind of Wearable type methane carbon monoxide measurer, and module forms
Structure is unintelligible；Patent CN202486085U proposes a kind of methane carbon monoxide measurer, and circuit structure is complicated；These detections
More there is sensitivity and poor stability, functional single, device volume is big, the working time is short shortcoming in alarm, be not suitable for moving
Dynamic portable type mining work under mine, simultaneously less than normal to the detection range of hazardous gas, reduce the most to a certain extent
Security performance.
Utility model content
The purpose of this utility model is the defect for prior art, it is provided that methane Carbon Monoxide Detection alarm, has
The feature that function is many, light weight, volume are little, highly sensitive, stability is high, can realize mobile portable type underground coal mine methane and one
The detection of carbon oxide gas and warning.
This utility model is achieved by the following technical solutions.
Methane Carbon Monoxide Detection alarm, including casing, described casing is ABS engineering plastics material, described casing
A length of L, L=105mm, the width of described casing is D, D=54mm, and the height of described casing is H, H=20mm, described casing bag
Include cabinet cover and casing box, described cabinet cover and casing box with the use of, be provided with sealing gasket between described cabinet cover and casing box,
Described cabinet cover has convex surface and concave surface, and described convex surface is provided with warning socket and sound window, described concave surface be provided with observation panel and
Button mouth；Described casing box top is provided with methane air inlet, carbon monoxide air inlet, is provided with methane in described methane air inlet
Suction nozzle, is provided with carbon monoxide suction nozzle in described carbon monoxide air inlet, described casing box side is provided with emergent socket, answers
Anxious lamp switch and power source charges mouth；Methane transducer, carbon monoxide transducer, control circuit plate, electricity it is provided with in described casing box
Source, charging assembly, emergency light and emergency light power supply, described methane transducer is connected with methane suction nozzle, and described carbon monoxide passes
Sensor is connected with carbon monoxide suction nozzle, and described methane transducer and carbon monoxide transducer are respectively connected with A/D converter, described
A/D converter connects has amplified filter, described amplified filter to be connected with control circuit plate, and described control circuit plate is provided with
Alarm, display panel, button, radio receiving transmitting module, data storage and single-chip microcomputer, described alarm includes light crossing-signal, sound
Alarm and vibrations alarm, described light crossing-signal is arranged at warning socket, and described sound alarm subsystem is arranged at sound window, described
Vibrations alarm is vibrating motor, is placed at casing box corner, and described display panel is arranged at observation panel, and described button is arranged at
At button mouth, described power supply is connected with control circuit plate, realizes sensing methane transducer, carbon monoxide by control circuit plate
Device, A/D converter, amplified filter, radio receiving transmitting module, data storage, single-chip microcomputer, display and the power supply of alarm
Supply, described emergency light is arranged at emergent socket, and described emergency light switchs with emergency light power supply and emergency light respectively and is connected, institute
Stating emergency light power supply to be connected with emergency light switch, described power supply is relatively independent with emergency light power supply, and is intrinsic safety electric source.
Above-mentioned methane Carbon Monoxide Detection alarm, wherein, described methane transducer and carbon monoxide transducer are load
Body catalysis element, the methane concentration measurement range of described methane transducer is 0.00～4.00%CH4, described carbon monoxide passes
The carbonomonoxide concentration measurement range of sensor is 0～1000 × 10-6 CO。
Above-mentioned methane Carbon Monoxide Detection alarm, wherein, described display panel include model displaying block, date displaying block,
Electricity displaying block, explosion-proof mark displaying block, numerical value displaying block, gas title displaying block and time showing block.
Above-mentioned methane Carbon Monoxide Detection alarm, wherein, described button is keyswitch type electronic thin film switch, described button
Key, return key and calibration acknowledgement key, the square distribution of described button is subtracted including switch plus key, voltage.
Above-mentioned methane Carbon Monoxide Detection alarm, wherein, charging assembly includes plug, slide bar and chute, described electricity
Plug is connected with power supply and slide bar, described plug end corresponding power charge port.
Above-mentioned methane Carbon Monoxide Detection alarm, wherein, is sheathed with leather sheath outside described casing, described leather sheath is provided with carefully
Band.
The beneficial effects of the utility model are:
This utility model is at methane: arbitrarily set alarm point, alarm indicator value and setting in the range of 0.50%～2.50%
The difference of value is less than ± 0.05%, at carbon monoxide: (0 ~ 1000) × 10-6Arbitrarily set alarm point in the range of CO, report to the police aobvious
Indicating value is less than ± 1 × 10 with the difference of setting value-6, the most first set methane and the alarm point of carbon monoxide, air inlet
By valve, the air in environment is sucked in determinator, the methane in methane transducer and carbon monoxide transducer detection air
And carbon monoxide gas body burden, voltage signal will be sent, voltage signal converts thereof into digital signal by A/D converter, number
The amplified filter of word signal amplifies, and is sent to circuit main board, carries out digital processing through single-chip microcomputer, and feedback digital signal is to circuit
In mainboard, driving display to demonstrate tested methane and carbon monoxide concentration of volume percent numerical value, determinator was with the interval of 5 seconds
Automatically switch between methane, carbon monoxide, 0.00～4.00%CH can be realized4With 0～1000 × 10-6 The measurement of CO, and
Can display on the occasion of or negative value；When methane and carbonomonoxide concentration reach alarming value, single-chip microcomputer exports control signal immediately, through electricity
Road mainboard controls alarm and sends alarm, and sound alarm subsystem, light crossing-signal, vibrations alarm synchronize to send buzzing, glisten and shake,
Numeral method red numerical flashing simultaneously；
It is configured with data storage and radio receiving transmitting module on this utility model circuit main board simultaneously, when night watching, is surveyed
Data are recordable in data storage, and when night watching, radio receiving transmitting module does not works, until night watching terminates, during charging, wireless
Transceiver module is opened, and automatically and Patrol Terminal carries out wireless connections, uploads the night watching data of preservation；After data end of transmission,
Closing radio receiving transmitting module, detection alarm enters charging off-mode；Emergency light realizes dark emergency light source, down-hole.
Power supply of the present utility model and emergency light power supply are intrinsic safety electric source, explosion-proof at underground coal mine and have DC voltage-stabilizing
Property, additives for overcharge protection voltage protection, over voltage protection, short-circuit protection function, more safety and stability.
This utility model casing material is ABS engineering plastics material, light weight, and volume is little, does not uses, and is placed in supporting
Leather sheath carries with faciola.
In sum, this utility model possesses data storage, time showing, emergency lighting, is wirelessly transferred, shakes warning etc.
Function, has the advantages that function is many, light weight, volume are little, highly sensitive, stability is high, can realize mobile portable type coal mine
Lower methane and the detection of CO (carbon monoxide converter) gas and warning.
Accompanying drawing explanation
Fig. 1 is that this utility model removes structural representation after cabinet cover.
Fig. 2 is this utility model casing front view.
Fig. 3 is this utility model casing left view.
Fig. 4 is this utility model casing upward view.
Fig. 5 is utility model works schematic diagram.
Fig. 6 is this utility model leather case structure schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further.
Methane Carbon Monoxide Detection alarm, including casing 47, described casing 47 is ABS engineering plastics material, described machine
Shell 47 is provided with some depressions 9, a length of L, the L=105mm of described casing 47, and the width of described casing 47 is D, D=54mm, institute
The height stating casing 47 is H, H=20mm, and described casing 47 includes cabinet cover 41 and casing box 38, described cabinet cover 41 and casing
Box 38 with the use of, be provided with sealing gasket 46 between described cabinet cover 41 and casing box 38, described cabinet cover 41 has convex surface 39 He
Concave surface 40, described convex surface 39 is provided with warning socket 42 and sound window 43, and described concave surface 40 is provided with observation panel 44 and button mouth 45；
Described casing box 38 top is provided with methane air inlet 2, carbon monoxide air inlet 20, is provided with methane in described methane air inlet 2
Suction nozzle 1, is provided with carbon monoxide suction nozzle 19 in described carbon monoxide air inlet 20, described casing box 38 side is provided with emergent
Socket 48, emergency light switch 8 and power source charges mouth 49；It is provided with methane transducer 3, carbon monoxide transducer in described casing box 38
21, control circuit plate 36, power supply 37, charging assembly 18, emergency light 6 and emergency light power supply 7, described methane transducer 3 and an oxygen
Changing carbon sensor 21 and be carrier catalyst element, described methane transducer 3 is connected with methane suction nozzle 1, and described carbon monoxide passes
Sensor 21 is connected with carbon monoxide suction nozzle 19, and described methane transducer 3 and carbon monoxide transducer 19 are respectively connected with A/D conversion
Device 4, described A/D converter 4 connects has amplified filter 5, described amplified filter 5 to be connected with control circuit plate 36, described control
Circuit board 36 processed is provided with alarm 25, display panel 33, button 14, radio receiving transmitting module 34, data storage 52 and single-chip microcomputer
35, described alarm 25 includes light crossing-signal 23, sound alarm subsystem 24 and vibrations alarm 22, and described light crossing-signal 23 is arranged at police
Showing at socket 42, described sound alarm subsystem 24 is arranged at sound window 43, and described vibrations alarm 22 is vibrating motor, is placed in casing box
At 38 4 jiaos, described display panel 33 is arranged at observation panel 44, and described display panel 33 includes model displaying block 29, date displaying block
28, electricity displaying block 27, explosion-proof mark displaying block 26, numerical value displaying block 30, gas title displaying block 32 and time showing block 31,
Described numerical value displaying block 30 shows four figures value, the methane and one of described gas title displaying block 32 show percent volumetric concentration
Carbonoxide, described button 14 is arranged at button mouth 45, and described button 14 is keyswitch type electronic thin film switch, and described button includes
Switch plus key 13, voltage subtract key 10, return key 11 and calibration acknowledgement key 12, the described square distribution of button 14, described power supply
37 are connected with control circuit plate 36, realize turning methane transducer 3, carbon monoxide transducer 21, A/D by control circuit plate 36
Parallel operation 4, amplified filter 5, radio receiving transmitting module 34, data storage 52, single-chip microcomputer 35, display 36 and alarm 25
Power supply supplies, and described charging assembly 18 includes plug 16, slide bar 15 and chute 17, described plug 15 and power supply 37 and slide bar
15 are connected, described plug 16 end corresponding power charge port 49, and described slide bar 15 realizes plug 15 in being placed in chute 17 sliding
Dynamic, described emergency light 6 is arranged at emergent socket 48, and described emergency light 6 switchs phase with emergency light power supply 7 and emergency light 8 respectively
Even, described emergency light power supply 7 is connected with emergency light switch 8, and described power supply 37 is relatively independent with emergency light power supply 7, and is this
Peace power supply, is sheathed with leather sheath 51 outside described casing 47, described leather sheath 51 is provided with faciola 50.
The technical parameter of the methane Carbon Monoxide Detection alarm of the present embodiment is as follows:
1, environmental condition is used: temperature: (0 ~ 40) DEG C；Humidity: ＜ 98% (+25 DEG C)；Atmospheric pressure: (80 ~ 116) kPa；
Wind speed: (0～8) m/s；There are being methane, the underground coal mine of coal-dust explosion mixture；Storage temperature is (-40 ~+60) DEG C；
2, scope is measured: (1), methane: (0.00 ~ 4.00) %CH4；(2), carbon monoxide: (0 ~ 1000) × 10-6CO；
3, type of explosion proof construc tion and intrinsic safety parameter
3.1 type of explosion proof construc tion: mine intrinsic safety is held concurrently flame-proof type；Explosion-proof mark: ExibdI；
3.2 intrinsic safety parameters
Power supply high open circuit voltage Uo:4.3V；Maximum short circuit current Io:2.0A；Running voltage: 3.6V；Work electricity
Stream: 200mA (during warning)；
4, power supply: Ni-MH 1600mAh/1.2V × 3 Ni-MH battery group；
5, weight: 300g；
6, elementary error
(1), methane: %CH4
(2), carbon monoxide: 1 × 10-6 CO
7, alarm point:
(1), methane: at (0.50 ~ 2.50) %CH4In the range of arbitrarily set (factory default is located at 1.00%CH4)；
(2), carbon monoxide: measure in the range of arbitrarily set (factory default is located at 24 × 10-6 At CO)；
8, warning error: (1), methane: ± 0.05% CH4；(2), carbon monoxide: ± 1 × 10-6 CO；
9, type of alarm and effect: acoustic alarm, one meter from sound source axial distance distant place, the sound intensity is not less than 75dB (A)；
10, alarm resolution: (1), methane: 0.01% CH4；(2), carbon monoxide: 1 × 10-6 CO；
11, response time: (1), methane: be not more than 20s；(2), carbon monoxide: be not more than 45s；
12, stream time: once charging stream time is more than the new battery of 12h()；
13, the charging interval a: charging interval is no less than 10h.
This methane Carbon Monoxide Detection alarm is at methane: arbitrarily set alarm point in the range of 0.50%～2.50%, report
Alert show value is less than ± 0.05%, at carbon monoxide: (0 ~ 1000) × 10 with the difference of setting value-6Arbitrarily set in the range of CO
Determining alarm point, alarm indicator value is less than ± 1 × 10 with the difference of setting value-6, the most first set methane and carbon monoxide
Alarm point, the air in environment is sucked in determinator by air inlet by valve, methane transducer and carbon monoxide transducer
Methane in detection air and carbon monoxide gas body burden, will send voltage signal, and voltage signal passes through A/D converter by its turn
Changing digital signal into, the amplified filter of digital signal amplifies, and is sent to circuit main board, carries out digital processing through single-chip microcomputer, instead
Feedback digital signal, in circuit main board, drives display to demonstrate tested methane and carbon monoxide concentration of volume percent numerical value,
Determinator with 5 seconds be spaced between methane, carbon monoxide automatically switch, 0.00～4.00%CH can be realized4With 0～1000
×10-6 The measurement of CO, and can show on the occasion of or negative value；When methane and carbonomonoxide concentration reach alarming value, single-chip microcomputer is immediately
Output control signal, controls alarm through circuit main board and sends alarm, and sound alarm subsystem, light crossing-signal, vibrations alarm synchronize to send out
Go out buzzing, glisten and shake, simultaneously numeral method red numerical flashing；
This utility model has the advantages that function is many, light weight, volume are little, highly sensitive, stability is high, can realize mobile
Portable type underground coal mine methane and the detection of CO (carbon monoxide converter) gas and warning.
The above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model is not
Being confined to this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in
Change or replacement, all should contain in protection domain of the present utility model.Therefore, protection domain of the present utility model should be with
The protection domain of claims is as the criterion.
Claims (7)
1. methane Carbon Monoxide Detection alarm, including casing, is characterized by, described casing includes cabinet cover and casing box, institute
State cabinet cover and casing box with the use of, be provided with sealing gasket between described cabinet cover and casing box, described cabinet cover has convex surface
And concave surface, described convex surface is provided with warning socket and sound window, and described concave surface is provided with observation panel and button mouth；Described casing box top
Portion is provided with methane air inlet, carbon monoxide air inlet, is provided with methane suction nozzle, a described oxidation in described methane air inlet
Being provided with carbon monoxide suction nozzle in carbon air inlet, described casing box side is provided with emergent socket, emergency light switch and power source charges
Mouthful；Methane transducer, carbon monoxide transducer, control circuit plate, power supply, charging assembly, emergency light it is provided with in described casing box
With emergency light power supply, described methane transducer is connected with methane suction nozzle, described carbon monoxide transducer and carbon monoxide air inlet
Mouth is connected, and described methane transducer and carbon monoxide transducer are respectively connected with A/D converter, and described A/D converter connects to be put
Big filter, described amplified filter is connected with control circuit plate, described control circuit plate be provided with alarm, display panel, by
Key, radio receiving transmitting module, data storage and single-chip microcomputer, described alarm includes that light crossing-signal, sound alarm subsystem and vibrations are reported to the police
Device, described light crossing-signal is arranged at warning socket, and described sound alarm subsystem is arranged at sound window, and described vibrations alarm is vibration
Motor, is placed at casing box corner, and described display panel is arranged at observation panel, and described button is arranged at button mouth, described electricity
Source is connected with control circuit plate, is realized methane transducer, carbon monoxide transducer, A/D converter by control circuit plate, is put
The power supply supply of big filter, radio receiving transmitting module, data storage, single-chip microcomputer, display and alarm, described emergency light
Being arranged at emergent socket, described emergency light switchs with emergency light power supply and emergency light respectively and is connected, described emergency light power supply and
Emergency light switch is connected, and described power supply is relatively independent with emergency light power supply, and is intrinsic safety electric source.
2. methane Carbon Monoxide Detection alarm as claimed in claim 1, is characterized by, described casing is ABS engineering plastics
Material, a length of L, the L=105mm of described casing, the width of described casing is D, D=54mm, and the height of described casing is H, H=
20mm。
3. methane Carbon Monoxide Detection alarm as claimed in claim 1, is characterized by, described methane transducer and an oxidation
Carbon sensor is carrier catalyst element, and the measurement range of described methane transducer is 0.00～4.00%CH4Concentration, described
The measurement range of carbon monoxide transducer is 0～1000 × 10-6 CO concentration.
4. methane Carbon Monoxide Detection alarm as claimed in claim 1, is characterized by, described display panel includes that model shows
Block, date displaying block, electricity displaying block, explosion-proof mark displaying block, numerical value displaying block, gas title displaying block and time showing
Block.
5. methane Carbon Monoxide Detection alarm as claimed in claim 1, is characterized by, described button is that keyswitch type electronic is thin
Membrane switch, described button includes switching plus key, voltage subtracts key, return key and calibration acknowledgement key, the square distribution of described button.
6. methane Carbon Monoxide Detection alarm as claimed in claim 1, is characterized by, charging assembly includes plug, cunning
Bar and chute, described plug is connected with power supply and slide bar, described plug end corresponding power charge port.
7. methane Carbon Monoxide Detection alarm as claimed in claim 1, is characterized by, be sheathed with leather sheath outside described casing,
Described leather sheath is provided with faciola.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777703.5U CN205607948U (en) | 2015-10-09 | 2015-10-09 | Methane carbon monoxide detector alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777703.5U CN205607948U (en) | 2015-10-09 | 2015-10-09 | Methane carbon monoxide detector alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205607948U true CN205607948U (en) | 2016-09-28 |
Family
ID=56959782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520777703.5U Active CN205607948U (en) | 2015-10-09 | 2015-10-09 | Methane carbon monoxide detector alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205607948U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955767A (en) * | 2018-07-09 | 2018-12-07 | 重庆电子工程职业学院 | A kind of mine safety analyzer based on cloud computing safty architecture |
| CN109118724A (en) * | 2018-10-16 | 2019-01-01 | 四川长虹电器股份有限公司 | A kind of gas detector and its threshold value generation adjusting method of adjustable threshold |
| CN110118856A (en) * | 2019-05-17 | 2019-08-13 | 重庆德旭企业管理有限公司 | A kind of environmental protection CH_4 detection device |
| WO2020069633A1 (en) * | 2018-10-02 | 2020-04-09 | Honeywell International Inc. | Gas detector calibration cap with an extended strip |
-
2015
- 2015-10-09 CN CN201520777703.5U patent/CN205607948U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955767A (en) * | 2018-07-09 | 2018-12-07 | 重庆电子工程职业学院 | A kind of mine safety analyzer based on cloud computing safty architecture |
| CN108955767B (en) * | 2018-07-09 | 2021-02-12 | 重庆电子工程职业学院 | Mine safety analyzer based on cloud computing safety architecture |
| WO2020069633A1 (en) * | 2018-10-02 | 2020-04-09 | Honeywell International Inc. | Gas detector calibration cap with an extended strip |
| US11867674B2 (en) | 2018-10-02 | 2024-01-09 | Honeywell International Inc. | Gas detector calibration cap with an extended strip |
| CN109118724A (en) * | 2018-10-16 | 2019-01-01 | 四川长虹电器股份有限公司 | A kind of gas detector and its threshold value generation adjusting method of adjustable threshold |
| CN110118856A (en) * | 2019-05-17 | 2019-08-13 | 重庆德旭企业管理有限公司 | A kind of environmental protection CH_4 detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205607948U (en) | Methane carbon monoxide detector alarm | |
| CN203824984U (en) | Handheld multi-component gas detection alarm apparatus | |
| CN105181904A (en) | CJT-4/1000 methane and carbon monoxide detection alarm instrument | |
| CN202230051U (en) | Handheld formaldehyde detector | |
| CN105301219A (en) | CJT4/1000X suspended type methane and carbon monoxide detector | |
| CN105973304A (en) | Hand-held power cable tunnel inspection and maintenance tool | |
| CN202256247U (en) | Multifunction handheld harmful gas detector | |
| CN102384360B (en) | Mine lamp with functions of displaying carbon monoxide concentration in digitized way, detecting carbon monoxide concentration and alarming | |
| CN205607950U (en) | Suspension type methane carbon monoxide analyzer | |
| CN203178232U (en) | Vehicle and interior environmental monitoring alarming device | |
| CN206832727U (en) | Mine Gas detection means | |
| CN205958025U (en) | Gaseous detection device with electronic voice broadcasting | |
| CN208283365U (en) | A kind of portable air mass detecting instrument | |
| CN205879233U (en) | Hand -held type power cable tunnel is tourd and maintenance tool | |
| CN202855868U (en) | Battery management system with electrolyte leak detection function | |
| CN109061062A (en) | A kind of sulphur dioxide measuring device and measuring method | |
| CN210720332U (en) | Mobile gas detector based on wireless communication | |
| CN204964474U (en) | CTL1000100 type carbon monoxide hydrogen sulfide analyzer | |
| CN105181753A (en) | CTH1000A carbon monoxide measuring apparatus | |
| CN204964494U (en) | CJY430 type methane oxygen analyzer | |
| CN204960978U (en) | JCB4 (B) methane detecting alarm device | |
| CN205786601U (en) | Suspension type methane detection alarming instrument | |
| CN205620371U (en) | Portable many parametric measurement ware | |
| CN205607949U (en) | Portable multi -parameter measurer | |
| CN105021771A (en) | CYT-25/1000 detecting and alarming instrument for oxygen and carbon monoxide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |