Product guide

29
Humidity and Dew-Point Instruments
Please note: Michell Instruments adopts a continuous development program which sometimes
necessitates specifi cation changes without notice. Please contact us for latest version.
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Precision Manufacturing
Issue No: Easidew Online_97167_V2_UK_1110
Easidew Online
Dew-Point Hygrometer
A panel- or bench-mounting hygrometer with digital display,
analog and digital outputs and dual alarm feature, offering
excellent reliability and repeatability.
Highlights
• Dew point or ppm moisture content
• Analog and digital outputs
• IP66 (NEMA 4) Sensor and IP65 (NEMA 12) Monitor (front
panel only)
• Excellent sensor protection
• -100 to +20°C (-148 to +68°F) total dew-point range
• Dual alarms
• Clear and easy to read display
Technical Specifi cations
Performance
Measurement range -100 to +20°C (-148 to +68°F) dew point
0–3000 ppm
v
ppm
v
output or non-standard dew-point
range must be specifi ed at time of order
Accuracy (dp) ±2°C (±3.6°F) dew point
Response time 5 mins to T95 (dry to wet)
Repeatability 0.5°C (0.9°F) dew point
Electrical output/input
Output signal 4–20 or 0–20 mA,
maximum load resistance 500 
RS232
Supply voltage 85 to 264 V AC, 50/60 Hz
Load resistance Max 250  @ 12 V / 500  @ 24 V
Current consumption 60 mA max
Operating conditions
Operating humidity 0–100% RH
Operating temperature
Sensor
Monitor
-40 to +60°C (-40 to +140°F)
0 to 50°C (+32 to +122°F)
Mechanical specifi cation
Ingress protection
Monitor
Sensor
IP65 (NEMA 12) front panel only
IP66 (NEMA 4)
Dimensions
Monitor
Sensor
1/8 DIN case, 96 x 48 x 85mm
(3.77 x 1.88 x 3.34”) incl clearance (wxhxd)
132 x 27 A/F mm (5.13 x 1.06”) (length x
diameter across hex fl ats)
Filter HDPE
Weight 150g (5.29oz)
Electrical connections Sensor cell supplied
Alarm Front panel confi guration of alarm points
Sensor cable 0.8m (2.6’) supplied as standard
max 800m (2,600’)
Mains cable 2m (6.5’) cable supplied
Dimensions