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Original factory packaging
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Instrument Expert
Original factory packaging
Service Hotline：
(+86)010-52867771
Updated:2025-03-13
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GPR-7100 User's Manual GPR-75000ais User's Manual GPR-7500 ais-Ld User's Manual GPR-7500is User's Manual Datasheet
Cost-Effective Monitoring of Hydrogen Sulfide Levels
Features
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
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 a permanent installation gas analyzer. These advanced instruments from AII are agency approved for use in flammable gas streams.
Specifications
| 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 |
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| 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 |
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