Chapter 1: Features And Capabilities; Introduction - GE Optica Operator's Manual

Introduction

Features and Capabilities
The GE Infrastructure Sensing Optica is a multi-purpose
chilled-mirror hygrometer, suitable for use in a wide variety of
applications. The Optica can function with any GE Infrastructure
Sensing chilled-mirror sensor to provide the following measurement
ranges (depending on the sensor selected):
•
dew/frost point from –80°C to +85°C (–112°F to +185°F)
•
relative humidity from 0.002% to 100%
•
moisture content from 500 ppb
The Optica also measures and displays gas pressure using a GE
Infrastructure Sensing PT-30A or PT-300A pressure sensor, or a
user-supplied 4–20mA or 0–5 VDC pressure sensor.
Note: If the pressure is known to be constant, a fixed pressure can be
programmed, eliminating the need for a pressure sensor.
Using the Optica, you can simultaneously measure and display dew
point, temperature and pressure, with a wide variety of units of
measure. The Optica is Ethernet-ready, so you can access the unit
using the Internet for remote monitoring applications. You can use the
data logging function to record and upload weeks of data.
January 2006
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to over 5.71 × 10 ppm
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