Product overview
The GDR multi-function gas detector is of military grade EMC module and capable of dealing with harsh field environment disturbance; It's of super black box function with detailed operation and alarm record, overtemperature use record, excess moisture use record and outrange use record. Pumping test and simple pretreatment capacity; Full range temperature and humidity compensation and more accurate measurement accuracy
Technical indicators
Detected gas | Combustible gas, poisonous gas and oxygen (refer to attached list of gases for the detail) | Detection principle | Catalytic oxidation, electrochemistry, infrared and PID |
Range selection | Consult the manufacturer | Resolution ratio | Based on the measuring range |
Accuracy | ≤±3%FS (normal accuracy) ≤±1%FS (high accuracy) | Repeatability | ≤1%F.S |
Response time | ≤3s (T1): ≤15s (T90) | Recovery time | ≤20s (T90-T10) |
Display mode | 320*240 high-definition color screen 2.0cun | Visual range | ≥10m (5.0 eyesight) |
Operating voltage | 12-35VDC (typical 24VDC) | System language | Switchable between Chinese (default) and English |
Signal output: (Optional) | Consult the manufacturer for other output mode of three-wire system 4-20mA+RS-485+WIFI+2 relay | Environmental requirements | Operating temperature: -40℃~50℃ Humidity range: 10%~95%RH (without condensation) Pressure range: 86KPa~106KPa |
Operating mode | Key | Installation way | Wall-mounted |
Quantity of relays | Two pieces (two sets of on-off output 2A@30VDC或0.6A@125VAC) | Size: | 245*185*85mm (length* width * thickness) |
Explosion-proof certification | Double explosion-proof standard Exd IICT6 | Temperature and humidity compensation | Full range temperature and humidity compensation |
Product model selection
GDR | Multi-function gas online detector | |||||||
Detected gas (Multiple choices, consult the manufacturer for the detail)
Detected gas (Multiple choices, consult the manufacturer for the detail) | 01 | Carbon oxide CO | ||||||
02 | Oxygen 2 | |||||||
03 | Hydrogen sulfide H2S | |||||||
04 | Hydrogen H2 | |||||||
05 | Sulfur dioxide SO2 | |||||||
06 | Hydrogen peroxide (NO2) | |||||||
07 | Nitric oxide NO | |||||||
08 | Chlorine Cl2 | |||||||
09 | Hydrogen chloride HCL | |||||||
10 | Hydrogen phosphide PH3 | |||||||
11 | Formaldehyde CH20 | |||||||
12 | Ethylene oxide C2H40 | |||||||
13 | Hydrazine N2H4 | |||||||
14 | Hydrogen NH3 | |||||||
15 | Hydrogen chloride HCN | |||||||
16 | Sulfur hexafluoride SF6 | |||||||
17 | Silane SIH4 | |||||||
18 | Hydrogen peroxide H202 | |||||||
19 | Phosgene COCL2 | |||||||
20 | Carbon dioxide (CLO2) | |||||||
21 | Fluorine F2 | |||||||
22 | Methane (IR)CH4 | |||||||
23 | Hydrogen selenide SEH2 | |||||||
24 | Hydrogen chloride HF | |||||||
25 | Carbon dioxide CO2 | |||||||
26 | Ethylene C2H4 | |||||||
27 | Hydrogen bromide HBR | |||||||
28 | Bromine gas BR2 | |||||||
29 | Arsenic oxide ASH3 | |||||||
30 | Oxygen 3 | |||||||
31 | Organic volatile TVOC | |||||||
32 | Combustible gas LEL | |||||||
Measuring range | L | 0~100%LEL | ||||||
H | 0-25%VOL | |||||||
F | 0~100ppm/0-100mg/m3 | |||||||
K | 0~1000ppm/0-1000mg/m3 | |||||||
W | 0~10000ppm/0~10000mg/m3 | |||||||
Output signal | 1 | RS-485 | ||||||
2 | 4-20mA | |||||||
3 | 0~5/10V | |||||||
4 | Wireless signal | |||||||
Display and acousto-optic alarm | 1 | Without display or acousto-optic alarm | ||||||
2 | With display, but no acousto-optic alarm | |||||||
3 | With display and acousto-optic alarm | |||||||
4 | Without display, but acousto-optic alarm | |||||||
Testing mode | 1 | Diffusion type | ||||||
2 | Flow-through type (pumping type) | |||||||
3 | Pipeline type | |||||||
4 | Conventional split type (≤30cm) | |||||||
5 | Special split type (≤10cm) | |||||||
Explosion-proof type | D | Intrinsic safety type | ||||||
E | Explosion-proof type | |||||||
Integrated power supply mode | U | Internal battery power supply | ||||||
V | Battery and 24VDC double selection power supply | |||||||
S | External 24VDC power supply |