The GPR-7500 analyzer utilizes the low-power electro-chemical sensor technology to provide a cost-effective and easy to maintain online-installation hydrogen sulfide measurement in a small package. The GPR-7100 is a portable H2S analyzer version preferably used for spot checking the process or temporary usage during servicing or commissioning of an permanent installation gas analyzer. These advanced instruments from AII are agency approved for use in flammable gas streams.

  • ATEX & UL certified variants
  • Accurate to < 2% of scale with an LDL of 0.1 ppm H2S
  • Dedicated sample handling systems are included
  • Optional liquid drain system (for entrained liquids)
  • 24 month typical sensor life (simple to exchange)
  • Easy to use HMI for set-up, operation and field calibration

7100 7500 IS 7500 IS -LD 7500 AIS 7500 AIS LD 7500 AIS-S 7500 IS-S
Measurement range 0-20, 0-50, 0-100 ppm 0-20, 0-50, 0-100 ppm (standard ranges)
0-500, 0-1000, 0-2000 ppm (optional ranges)
0-20, 0-50, 0-100 ppm
Accuracy ±2% of selected range at constant conditions
Response time T90 < 60 seconds
Sensitivity (LDL) 0.1 ppm
Linearity <2% of scale
Sensor model OSV-72-7HH-LM (standard ranges) OSV-72-7HH (standard ranges), OSV-72-7HH-LD
OSV-72-7H (up to 2000 ppm), OSV-72-7H-LD
OSV-72-7HH-LM (standard ranges)
Sensor life 25ºC (77°F) and 1 atm 24 months
Calibration interval 1-3 months - see manual for individual models
Inlet pressure 0.34-2 barg (5-30 psig); vent - atmospheric atmospheric
Sample flow rate 0.5 l/m (1 SCFH) None, measures H2S in ambient air
Auxilary air flow rate 0.5 l/m (1 SCFH)
1.5 Nl/m (3 SCFH) for high range sensor
Instrument air required: regulated to 1 barg if internal pump not supplied
Gas connections 1/8" Compression Type Fittings 1/4" Sample/Span; 3/8" Vent line. None
Wetted parts Stainless steel
Display Graphical LCD 7 x 3.5cm (2.75 x 1.375"); resolution 0.1 ppm
Enclosure Painted aluminum NEMA 4X, 10.1 x 22.9 x 7.6cm (4 x 9 x 3") NEMA Type 3R for rain in outdoor applications Type 3R
Weight 3.6kg (8 lbs) 10 Kg (22 lbs)
Compensation Temperature compensated Temperature not required Barometric pressure, temperature not required Temperature not required
Signal output 0-1V 4-20 mA or 1-5 V DC
Alarms None Two user configurable alarms: magnetic coil relays rated 3A at 100 V AC, programmable alarm delays, alarm bypass for calibration and system fail alarm None
LED indicators LOW BATT Warning; CHARGE mode NA
Operating temperature -10° to 45°C (14°F to 113°F)
Power Rechargeable battery, 8 hours day duty cycle 18-28 V DC Transmitter, 12 V DC Pump 12-28 V DC (UL or ATEX Certified) 110-220 V AC (ATEX Certified) Transmitter, 12 V DC PUMP 12-28 V DC (UL or ATEX Certified) 110-220 V AC (ATEX Certified) 18-28 V DC
Area classification ATEX: II 2 G Ex ib IIB T4 Gb Tamb +5°C to +45°C
UL: United States: UL 1203, UL 913, UL 508

ATEX: ATEX: II 2 G Ex ib IIB T4 Gb Tamb -20°C to +50°C


GPR-7500 and GPR-7100

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CALL 909-392-6900
Analytical Industries Inc.
2855 Metropolitan Place,
Pomona, CA, 91767
USA
909-392-6900