Model |
GD700-5GASNO2 |
Detection Principle |
Electrochemistry (CO, H2S, O2, NO2) & catalytic combustion (LEL) |
Sampling Method (Optional) |
Pump suction or diffusion |
Gas |
CO, H2S, O2, LEL, NO2 |
Range (Optional) |
CO: 0-500ppm, 0-1000ppm, 0-2000ppm, H2S: 0-100ppm, 0-200ppm, O2: 0-25% VOL, 0-30% VOL, LEL: 0-100% LEL, NO2: 0-20ppm, 0-50ppm, 0-100ppm |
Resolution |
CO: 1ppm, H2S: 0.1ppm, O2: 0.1%VOL, LEL: 1% LEL, NO2: 0.1ppm |
Accuracy |
≤±3% F.S. |
Response Time |
≤30s |
Pump Flow Rate |
0.35~0.5 L/min |
Communication and Data Download |
With PC software, history data can be downloaded, stored, printed, and analyzed on a computer |
Network Frequency |
2.4G high frequency |
Zero Shift |
≤±1% (F.S./year) |
Signal Output (Optional) |
4-20mA and RS485 |
Relay output: one group of relay output (1NO+1NC, 24V 100mA) for one alarm (default), or two groups of relay output (2NO+2NC, 24V 100mA) for high/low alarm (optional). |
Alarms |
Sound, light |
Display |
2.4 inch color display, resolution 320*240 |
Installation |
Wall-mounted, piping type, flow-type (according to the detected environment) |
Connection |
G1/2 external thread explosion-proof flexible pipe |
Thread Size |
M45*2mm |
Operating Time |
24h |
Explosion-proof Grade |
Ⅱ 2G Ex ia Ⅱ CT4 Ga |
Protection Grade |
IP66 |
Certification |
CE, ATEX (Standard: EN IEC 60079-0:2018, EN 60079-1:2014) |
Working Voltage |
12-36V DC |
Case Material |
Die-casting aluminum housing |
Operating Temperature |
-10℃~50℃ |
Operating Humidity |
0~95%RH (non-condensing) |
Dimension |
286*202*96mm (H x W x D) |
Warranty |
12 months |
Weight |
3.4kg (3.8kg with alarm light) |
Accessories |
Power adapter: Input 100-240VAC 50/60Hz, Output 24VDC 1A (Optional USA plug, Europe plug or UK plug) |