产 地：美国
品 牌：AII

产品简介：
ATEX and cUL product certifications pending. Features an advanced trace PPM hydrogen sulfide sensor capable of precisely measuring hydrogen sulfide concentrations ranging from 1 PPM to 2000 PPM over a 24 month operating life with no periodic maintenance required, menu driven controls, and, two (2) wire loop power.

技术参数：
Accuracy: < 1% of FS range under constant conditions
Analysis Ranges: 0-20, 0-50, 0-100 PPM FS ranges; 
auto-ranging or manually lock on single range
Application: Trace PPM H2S in flowing gas streams
Approvals: ATEX  II 2 G Ex [ib] ib IIB T4 Tamb –20⁰ to +50⁰
Area Classification: Meets intrinsic safety standards for use in CSA/UL
Class 1, Division 1, Group C, D hazardous areas
Alarms:  GPR-7500 AIS: Two user configurable concentration
alarm relays rated 3A at 100 VAC; field programma-
ble alarm time delays; alarm bypass for calibration
GPR-7500 IS: None
Calibration: Span gas 50-100 PPM H2S balance air
Compensation: Barometric pressure and temperature
Connections: 1/4" compression tube fittings
Controls: Water resistant keypad; menu driven range selec-
tion, calibration and system functions
Display:  Graphical LCD 2.75” x 1.375”; resolution 0.1 PPM;
displays real time ambient temperature and pressure
Enclosure: Aluminum ex-proof, fiberglass NEMA 4X, 21x9x6”
Flow Sensitivity: None between 0.5-5 SCFH, 1-2 SCFH recommended
Linearity: ±1% of full scale
Pressure: Inlet - regulate to 5-30 psig to deliver 1-2 SCFH
flow to transmitter; vent - atmospheric
Power:  12-24 VDC or 100/230 VAC 
Response Time: 90% of final reading in 35 seconds
Sample System: Sample flow meter, sample/span control valve
Sensitivity: < 0.5% of FS range
Sensor Model: GPR-72-B1  (standard ranges) 
GPR-72-BE  (optional ranges)
Sensor Life: 24 months at 25ºC and 1 atm.
Signal Output: 4-20mA 
Operating Range: Recommended –10 ºC to 45ºC; 
sensor does not freeze at –20⁰
                      
Warranty: 12 months analyzer; 12 months sensor
Weight 20 lbs
Wetted Parts: Stainless steel