﹛ DTQB-518
Explosion-Prevention Combustible Gas Detector
﹛ DAP31-12L
Dot Type Combustible Gas Detector
﹛ QB-DAP32-12LC
Explosion-insulated Toxic Gas Detector
﹛ DAP31-21X1
Combustible Gas Detector
﹛ DAP31-21B
Free-standing Combustible Gas Alarm Device
DTQB-518
Explosion-Prevention
Combustible Gas Detector
Characteristic
- All functions of the ordinary Combustible
Gas Detector
- Concentration display on site
Un-touched remote control on site
- Directly making calibration without
opening detector
|
|
Major Performance and Specifications
| Principle of the sensor: |
Carrier catalyzing type |
| Explosion prevention level: |
Ex dII CT6 (including ethyne ) |
| Detecting range: |
0 每 99% LEL |
| Indication error: |
㊣3% LEL (F.S) |
| Voltage of power supply: |
DC 24 (1㊣15%)V |
| Working current: |
80 mA |
| Working mode: |
fixed installation, natural diffuse sample
input,
long-time continuous detecting |
| Low temperature properties: |
-40⊥㊣2⊥, error amount ㊣10% LEL |
| High temperature properties: |
+70⊥㊣2⊥, error amount ㊣10% LEL |
| High humidity properties: |
temperature +40⊥㊣2⊥, humidity 93 %RH,
error amount㊣5% LEL |
| Storage temperature: |
lowest +25⊥㊣2⊥, highest +55⊥㊣2⊥ |
| Storage life-span: |
6 months under normal condition |
| Usage life-span: |
3 years |
| Display mode: |
LED digital display |
| Power: |
2W approximately |
| Calibration gas: |
calibrated with a standard gas of mixing methane
and air |
| Calibration of infrared remote controller: |
≡ 15 meters4 每 20 mA standard signal output
(connected
to multi-wire system) |
| Output mode: |
millivolt signal output (connected to
multi-wire system)
switch control output (connected to fire
alarm system ) |
| System setting: |
matched with QB-DAP2000 alarm controller
produced by the company, electric-driven III
meters, DCS or other data collecting systems |
DAP31-12L
Dot Type Combustible Gas Detector
﹛﹛﹛﹛﹛﹛﹛﹛﹛﹛
Characteristic
- 4-chief-Wire connection system connected
to the alarm controller, much cheaper than
installing the traditional multi-wire connection
system.
- simulation display of 4-chief-wire
connecting communication, performed by using
with the alarm controller
- remote controlling
or directly operating the alarm controller
|
 |
Major Performance
and Specifications |
Principle of the
sensor |
Carrier catalyzing
type (burning-touched type) |
Explosion prevention
level |
Ex dII CT6 (including
ethyne ) |
Detecting range |
0 每 100% LEL |
Indication error |
㊣3% LEL (F.S) |
Response time |
< 30S |
Working Voltage |
DC 24 V㊣15% |
Working current |
30 mA |
Working mode |
fixed installation,
natural diffuse sample input, long-time continuous
detecting |
Low temperature properties |
-40 ⊥ ㊣ 2 ⊥ , error
amount ㊣ 10% LEL |
High temperature
properties |
+ 70 ⊥ ㊣ 2 ⊥ , error
amount ㊣ 10% LEL |
High humidity properties |
temperature 40 ⊥
㊣ 2 ⊥ , humidity 93 ㊣ 2%, error amount㊣5% LEL |
Power |
1W approximately |
Calibration gas |
calibrated with a
standard gas of mixing methane and air |
Output mode |
1.SCM
figure output (connected to concentration display
system).
2.Address code output (connected to locating
display system) |
System setting |
matched
with QB-DAP2103-GB64 Alarm Controller and DAP31-2LG
Insulator produced by the company |
QB-DAP32-12LC Explosion-insulated Toxic Gas Detector
Characteristic
- specially designed for detecting toxic gas
- respectively
detecting carbon monoxide, sulfureted hydrogen, chlorine gas, sulfur
dioxide etc.
- 4-20mA standard signal output, conveniently connected with different
kinds of display meters and control meters
|
 |
Major performance and specification
Principle of the sensor |
electrochemistry |
Explosion prevention level |
Ex dII CT6 |
Detecting range |
0 每 1000 ppm |
Indication error |
㊣80 ppm |
Voltage of power supply |
DC 24 V㊣15% |
Working current |
5 mA |
Working mode |
fixed installation, natural diffuse sample
input, long-time continuous detecting |
Low temperature properties |
-20 ⊥ ㊣ 2 ⊥ , error amount ㊣ 160 ppm |
High temperature properties |
+ 50 ⊥ ㊣ 2 ⊥ , error amount ㊣ 160 ppm |
Humidity properties |
>15%, <90%, error amount ㊣160 ppm |
Storage temperature |
lowest -40 ⊥ , highest + 55 ⊥ |
Surrounding press |
> 80 kpa, <120 kpa |
Storage life-span |
6 months under normal condition |
Usage life-span |
3 years |
Power |
2W approximately |
Calibration gas |
calibrated with a standard gas of mixing
carbon monoxide and air |
Weight |
1 kg |
Structure dimension |
95℅105℅ 160mm |
Output mode |
1.4 每 20 mA standard signal
output (connected to multi-wire system)
2.switch control output (connected
to fire alarm system ) |
System setting |
matched with DAP2102-GP1 gas alarm controller
produced by the company, electric-driven III meters, DCS or other data
collecting systems |
DAP31-21X1
Combustible Gas Detector
Characteristic
- free-standing, ceiling-mounting combustible gas detector
- gas-leak online detecting system, widely used in the hotel, restaurant
and high-grade apartment.
- non-preventive explosive type, cheap price
- carrier catalyzing type, stable performance
|
 |
Major performance and specification
Principle of the sensor |
carrier catalyzing type |
Detecting range |
0 每 100% LEL |
Detecting current |
≒ 40 mA at DC 24V |
Alarm current |
≒ 55 mA at DC 24V |
Alarm error |
㊣5% LEL |
Environment temperature |
0 ⊥ ~ 50 ⊥ (non-preventive explosive type) |
Output mode |
power-free opening |
Alarm preset |
15%, 25% or 40% |
Response time |
≒ 30S |
Detecting radius |
5 -6 m |
Calibration gas |
a standard gas sample of CH4 or i-C4H10 |
Performance standardization |
GB15322.1〞2003 GB16808〞1997 |
System setting |
DAP31-21℅1 non explosion-prevention combustible
gas detector can send out a power-free alarm signal when touching the
combustible gas in the air. In order to wholly control and conveniently
operate it can be connected with the fire alarm system by inputting
the coding module. |
DAP31-21B
Free-standing Combustible Gas Alarm Device
Characteristic
- free-standing, wall-mounting combustible gas
detector
- detecting the leak of natural gas or city
coal gas in the kitchen of the individual department.
- directly control ventilator and gas-cut switch
- non-preventive explosive type, convenient
use, simplified installation,
|
 |
Major performance and specification
Working voltage |
AC220V, DC24V or DC12V |
Power |
2.5 W |
Detecting range |
0 每 100% LEL |
Alarm error |
㊣5% LEL |
Alarm vlume |
> 60 dB |
Environment temperature |
0 ⊥ ~ 50 ⊥ |
Weight |
600g approximately |
Structure dimension |
125 ℅ 85 ℅ 50mm (length℅width℅height ) |
Output mode |
low-limited warning:open ventilator or
send out a power-free alarm signal
hi-limited warning:cut AC220V pulse switch or DC12V pulse switch |
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