The Jerome® 651 monitoring system from Arizona Instrument LLC is the system you need to solve your hydrogen sulfide monitoring problems. Designed to provide long-term monitoring even in extreme weather conditions, it can be stationed at any location. Multiple units can be linked to form a perimeter monitoring system. Data logging and radio telemetry capabilities make downloading data convenient and easy from a remote PC.
Instrument Specifications
Detection Range | 3 ppb (0.003 ppm) to 50 ppm |
Resolution | 0.001, 0.01, 0.1, and 1 ppm |
Accuracy | ±0.005 ppm at 0.05 ppm ±0.05 ppm at 0.5 ppm ±0.5 ppm at 5 ppm ±2 ppm at 25 ppm |
Sample Intervals | 1, 2, 5, 10, 15, 30, 60 or 120 minutes |
Regeneration Intervals | 6, 12, 24 and 48 hours |
Flow Rate | 150 mL/min |
Operating Environment | -40 to +55°C, non-explosive, 0-100% relative humidity |
Results | ppm, ppb |
Data Storage Capacity | 50,000 readings |
Power Requirements (651 Unit) | 100-120 VAC, 50/60 Hz, 7 A or 210-240 VAC, 50/60 Hz, 4 A |
Control Board Fuse | Fast-acting IEC 1.6 A 250 V, 5 mm x 20 mm |
Case Construction | Polyester with insulation to reduce heat transfer |
Battery (631-X Unit) | Rechargeable NiCad 6 hour life, charges in 14 hours *only applicable when 631-X unit is not attached to 651 |
Estimated Sensor Life | 3 to 6 months depending on operating conditions |
Display | 8 digit alphanumeric LCD |
Output | Spectra Radio Analog: 4-20 mA current loop |
Dimensions | 26″ W x 25″ H x 9″ D (67 cm W x 64 cm H x 23 cm D) |
Weight | 52 lbs. (24 kg) |
Warranty | 1 year, factory parts and labor except for 631-X sensor |
Spectra Radio Modem Specifications
Frequency | 2.4 – 2.4835 GHz (2400 MHz) 49 selectable channels |
Serial Interface | RS-232 |
Power Requirements | 10-30 VDC, 450 mA |
Operating Temperature | -40°C to 75°C |
Range | Up to 4 miles (6.4 km) “line of sight.” Longer distances may be obtainable through use of a high gain antenna< or by using the optional Radio Repeater |