Optidew Sensor - Michell Instruments Optidew User Manual

INTRODUCTION
1.2

Optidew Sensor

The new Optidew sensor is available with either a single or dual stage thermoelectric
cooler and with a choice of sensor head materials making it suitable for use in air/inert
gases or in corrosive environments. The following tables show the capabilities of each
sensor type:
Approximate
maximum
depression at
ambient
Maximum operating
temperature
Sensor temperature
at 23°C ambient
For more detailed information on the performance of the sensor across its whole
operating temperature range, see section 4.5.
All versions are rated for use at pressure up to 2500 kPag (362 psig).
2
Single Stage
Standard Sensor
60°C
90°C
Lowest Measurable Dew Point
-30°C
Optidew User's Manual
Dual Stage
Standard Sensor
70°C
90°C
-40°C
97551 Issue 1, February 2018
Harsh
Environment
Sensor
70°C
120°C
-40°C