ATI
Q45S/87 Portable Wet H
2
S Monitoring System
Part 1
– Introduction
5
O&M Manual
– Rev-C
1.2
Features
•
Standard Q45S/87 are designed to be fully isolated, battery powered instruments
for monitoring/recording applications. Can be Quickly converted to either a loop
power transmitter or line powered analyzer (optional board required for analyzer)
•
High sensitivity system measures from 0.1 ppm to 200.0 ppm with 3 display
ranges. User ranges of 2.000 ppm, 20.00 ppm, or 200.0 ppm may be selected,
or the monitor may operate in Auto-Ranging mode, switching display sensitivity
up and down depending on the measured value.
•
Two 10-bit isolated, 0-2.5 VDC outputs may be configured to track Hydrogen
Sulfide and temperature, or Hydrogen Sulfide or Hydrogen Sulfide. Both outputs
can be programmed individually to specific ranges.
•
Large, high contrast, custom LCD display with LED back light provides excellent
readability. The secondary line of display utilizes 5x7 dot matrix characters for
clear message display. Two of four measured parameters may be on the display
simultaneously. An LED backlight can be turned on if necessary for use in very
low light conditions.
•
Diagnostic messages provide a clear description of any problem with no
confusing error codes to look up. Messages are also included for diagnosing
calibration problems.
•
Quick and easy one-point calibration method and sensor zero-cal. To provide
high accuracy, all calibration methods include stability monitors that check main
parameter stability before accepting data.
•
Security lock feature to prevent unauthorized tampering with transmitter settings.
All settings can be viewed while locked, but they cannot be changed.