Humidity Sensors
HIH-4602-L Series
Humidity Sensors
DESCRIPTION HIH-4602-L Series Relative Humidity (RH) sensors are designed to deliver...
Description
HIH-4602-L Series
Humidity Sensors
DESCRIPTION HIH-4602-L Series Relative Humidity (RH) sensors are designed to deliver RH sensing in a rugged, low-cost slotted TO-5 can.
The laser-trimmed, thermoset polymer capacitive sensing elements have on-chip integrated signal conditioning, helping to reduce product development times.
FEATURES Near linear voltage output vs %RH Laser-trimmed interchangeability Enhanced accuracy, fast response Chemically resistant Stable, low drift performance Built-in static protection TO-5 can
A typical current draw of only 200 µA allows use in batterypowered systems.
HIH-4602-L-CP sensors include a calibration and data printout to allow individually matched downstream electronics and ±3.5 %RH total accuracy.
POTENTIAL APPLICATIONS Refrigeration Drying Meteorology Battery-powered systems OEM (Original Equipment Manufacturer) assemblies
HIH-4602-L Series
Table 1. Performance Specifications (At 5 Vdc supply and 25 ºC [77 ºF] unless otherwise noted.)
Parameter
Minimum
Typical
Maximum
Unit
Specific Note
Interchangeability (first order curve)
–
–
–
–
–
0% RH to 59% RH
-5
–
5
% RH
–
60% RH to 100% RH
-8
–
8
% RH
–
Accuracy (best fit straight line)
-3.5
–
+3.5
% RH
1
Hysterisis
–
3
–
% RH
–
Repeatability
–
±0.5
–
% RH
–
Settling time
–
–
70
ms
–
Response time (1/e in slow moving air)
–
30
–
s
–
Stability (at 50% RH in one year)
–
1.2
–
% RH
–
Voltage supply
4
–
5.8
Vdc...
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