GQ-CE8900

Electrical Specification
Input Power
20-36VDC, 3.5W max
Analog Output
0-22mA (500 Ω max. load)
<1 mA, Fault (1)
1.5mA Calibration, Setup mode (2)
4-20mA, Detection range
21.5mA, Over-range
Baud Rate:
2400, 4800, 9600, or 19200BPS
HART:
HART7, HART Device Descriptor Language
(Optional)
available, AMS Aware
Relay Ratings:
8A @ 250 VAC / 8A @ 30 VDC res. max
(Optional)
Warning, Alarm, Fault
Status Indicators:
Digital Display with 4 LED indicators for Warning, Alarm, Fault, Run
EMC:
EN50081-2, EN50270
Mechanical Specification
Base Unit:
Housing : Aluminum alloy or 316 Stainless steel
Interface Module::
Housing : Aluminum alloy or 316 Stainless steel
Cable Entry:
3/4 “ NPT
Weight:
1.9Kg (Aluminum) / 4.8Kg (Stainless steel)
Other Specification
Classification:
ATEX / IECEx Ex db ib IIC T6 Gb IP66
(Tamb = -40 °C to + 70 °C)
SIL 2 Certified
Warranty
Two years (electronics), One Year (Electrochemical cell)
Product Specification
Sensor Type:
Electrochemical Cell
Measuring Gas
Measuring Range
(with 100% Full Scale gas applied)
Response Time
Accuracy
Zero Drift
Ammonia (NH3)
0-50, 0-100, 0-500 ppm
T90 < 30s
±2ppm or ±5% of reading whichever is greater for all gas except:
±5ppm or ±5% of reading, whichever is greater
< 5% per year
Carbon Monoxide (CO)
0-100, 0-500 ppm
T90 < 30s
±3% of Full Scale
(0-500ppm)
Chlorine (CL2)
0-10, 0-20 ppm
T90 < 60s
Ethylene Oxide (C2H4O)
0-20, 0-30 ppm
T90 < 120s
Hydrogen Chloride (HCL)
0-20, 0-30 ppm
T90 < 70s
Hydrogen Cyanide (HCN)
0-20, 0-30 ppm
T90 < 30s
Hydrogen Sulfide (H2S)
0-1000 ppm
T90 < 25s
±2% of Full Scale (0-1000ppm)
Hydrogen Sulfide (H2S)
0-30, 0-50, 0-100 ppm
T90 < 25s
±5% of Full Scale (0-20ppm)
Oxygen (O2)
0-25% v/v
T90 < 15s
±1% v/v
Ozone (O3)
0-1 ppm
T90 < 45s
Sulfur Dioxide (SO2)
0-20 ppm
T90 < 20s
* Note: Please consult Gasensor Technology for other gas that is not listed in the above table
Environmental Specifications
Operating Temperature Renge:
(For H2S) : - 40°C to + 55°C , - 30°C to + 70°C (optional)
(For O2, C2H4O,CL2, SO2 ) : - 20°C to + 50°C)
(For CO) : - 20°C to + 50°C , - 40°C to + 50°C (optional)
(For NH3) : - 20°C to + 40°C
* Note: Please consult Gasensor Technology for operating temperature of other sensors
Storage Temperature Renge:
GQ-CE8900 (less Electrochemical Cell): - 40°C to + 85°C
(For H2S) : - 40°C to + 50°C , - 30°C to + 70°C (optional)
Electrochemical Cell: 0°C to + 20°C; ( Except For CO, H2, NH3, and O2: 16°C to + 27°C)
Operating Hudimity Range:
15% to 90% RH, non-condensing