
ATI
Q45S/87 Portable Wet H
2
S Monitoring System
Part 1
– Introduction
6
O&M Manual
– Rev-C
1.4
Q45S/87 System Specifications
Displayed Parameters
Main input, 0.1 ppm to 200.0 ppm
Sensor Current, 0.0 to 999.9 nA, 0.000 to 99.99 uA
Sensor Temperature
0-2.5V Outputs
Sensor slope/offset
Model number and software version
Main Parameter Ranges
Manual selection of one of the following ranges,
0.0 to 2.000 ppm
0.00 to 20.00 ppm
0.00 to 200.0 ppm
Display
0.75” (19.1 mm) high 4-digit main display with sign
12-digit secondary display, 0.3" (7.6 mm) 5x7 dot matrix.
Integral LED back-light for visibility in the dark.
Keypad
4-key membrane type with tactile feedback, polycarbonate
with UV coating
Weight
0.8 lbs. (0.36 Kg.)
Ambient Temperature
Analyzer Service, -20 to 60 °C (-4 to 140 ºF)
Sensor Service, -5 to 55°C (23 to 131°F)
Storage, -5 to 70 °C (-22 to 158 ºF)
Ambient Humidity
0 to 95%, non-condensing.
EMI/RFI Influence
Designed to EN 61326-1
Output Isolation
600 V galvanic isolation
Filter
Adjustable 0-9.9 minutes additional damping to 90% step
input
Sensor
Electrochemical type for measurement of hydrogen sulfide
gas
Sensor Materials
Noryl and PVC
Sensor Cable
25 ft. (7.5 meter) cable