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Q45S Wet H2S Gas Detector
Brand: Analytical Technology IncThe Q45S/87 Wet H2S Transmitter is a microcomputer-based instrument for monitoring the concentration of a hydrogen sulfide gas in wet scrubber outlet vents or scrubber inlet ducts saturated with water vapor.
The system consists of three parts, a Monitor assembly containing an LCD display, analog outputs, and alarm functions.
A special H2S sensor with duct insertion holder designed for operation in condensing gas streams; and an optional air-purge system to periodically remove any water droplets that might accumulate on the sensor and cause slow response.
When air-purge system is ordered a system mounting plate is provided for mounting both transmitter and air purge system in the same location.
Features- Special Wet H2S Sensors designed to operate in condensing gas streams
- Automatic Sensor Air Purge
- Two Internal Alarm Relays
- LCD Display
- Internal Data Logger that stores up to 10 days of data at 1 minute storage intervals
- Output Simulation
- Weather-proof Nema 4X Enclosure
Specifications
Gas Type
- Hydrogen Sulfide
Sensor Type
- Special Wet Gas Sensor Design
Display
- 0-2.000 ppm, 0-20.00 ppm, 0-200.0 ppm (Programmable)
Response Time
- 90 % in 60 Seconds
Accuracy
- Generally ± 10 % of Value, but Limited by Available Calibration Gas
Sensitivity
- 0.1 ppm Min.
Zero Stability
- ± 0.04 ppm
Electronic Linearity
- ± 0.5 %
Span Drift
- Dependent on Operating Environment but Generally Less than 3 % per Month
Analog Output
- Isolated 4-20 mA, 575 ohms Max.
Power
- 115 or 230 Vac, 50/60 Hz, 5 VA Max.
- Optional: 9 Vdc battery-powered with data logger
Alarm Relays
- Two SPDT, 5 A @ 230 Vac Resistive
Relay Coil
- Programmable Either Normally Energized or Normally De-Energized
Enclosure
- NEMA 4X Polycarbonate, Wall, Pipe, or Panel Mounted
Controls
- 4 Membrane Switches on Front of Monitor
Operating Temperature
- -20° to +50° C
Operating Pressure
- -0.2 to 10 psig
Weight
- 4 lb (1.8 kg)
- Water Treatment
- Wastewater Treatment