Analytical Technology Wet H2S Gas Detector, Q45S
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Q45S Wet H2S Gas Detector

Brand: Analytical Technology Inc
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Analytical Technology Wet H2S Gas Detector, Q45S
The 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

Brand

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

  • -20º to +50º C

Operating Pressure

  • -0.2 to 10 psig

Weight

  • 4 lbs (1.8 kg)

  • Water Treatment
  • Wastewater Treatment

Documentation

Data Sheets

Product Manuals

Outline Drawings

Specifications

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