Model 635 - 1
Accurate Humidity measurements are becoming increasingly important, along with eliminating the hindrance of wires and having the versatility to measure in those areas where cabling is almost impossible. The 635 is the solution for many of those applications.
The Model 635-1 is a robust and reliable measuring instrument with the protection class of IP54. The large back lit display allows the user to
easily view the dew point, RH and temperature readings. The 635 offers both standard plug-in probes and optional wireless probes that can
measure up to a distance of 20 meters. A maximum of 3 wireless probes can be used at one time and can be retrofitted with the 635 at anytime. All probes are equipped with a patented humidity sensor offering long term reliability and guaranteed accuracy based on results from worldwide
laboratory tests. The 635 is equipped with a secured carrying strap for safe transporting and has heavy duty magnets on the back to ensure
secure attachment at the measuring location.
Model 635 - 1
Sensor Probe Selection Required
Model # Sensor Description
2 Humidity/temperature probe, accuracy +/-2%RH, temperature range -20 to +70C
HPD Precision pressure dew point probe for measurements in compressed air systems
(dew point range -60 to 50C)
|
Technical Data |
|
Sensor: |
Capacitance Humidity sensor |
|
Measurement range for model 2 sensor: |
|
Humidity: |
0 – 100% RH; from -20C to 70C |
|
Temperature: |
-20°C to +70C°C |
|
Accuracy: |
|
%RH: 2-98% |
± 2%RH |
|
Remaining Range |
± 3%RH |
|
Temperature: |
± 0.3°C (–20 to 70C) |
|
Measurement range for model HPD sensor: |
Dew point: -60C to +50C |
|
Accuracy: |
+/-0.8C (-4.9C to +50C)
+/-1.0C (-5C to -9.9C)
+/-2.0C (-10C to -19.9)
+/-3.0C (-29.9C to -20C)
+/-4.0C (-40C to -30C) |
|
Power: |
Alkaline Type AA |
|
Operating Temp: |
-20 to 50C |
|
Storage Temp: |
-30 to 70C |
|
Battery Life: |
200 hours |
|
Weight: |
428g (<1lb) |
|
Long Term Stability: |
2%RH; Guaranteed for two years under normal conditions. |
|
Material Housing: |
ABS/TPE/Metal10 years. Warranty: 2 year. |
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