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Humidity with Temperature Sensors - HIH-4602-A/C Series

? Near linear voltage output vs %RH
? Laser-trimmed interchangeability
? Enhanced accuracy, fast response
? Chemically resistant
? Stable, low drift performance

Model Number: HIH-4602-A/C Series
Data Sheet:

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Product Specification

Description：

HIH-4602-A/C Series Relative Humidity (RH) sensors combine both relative humidity and temperature sensing in a TO-5 housing with a hydrophobic sintered stainless steel filter.

The laser-trimmed, thermoset polymer capacitive sensing elements have on-chip integrated signal conditioning.

The temperature sensor is thermally connected with the RH sensor making the HIH-4602-A/C often ideal for measuring dew point and other absolute moisture terms.

The HIH-4602-A contains an integral thermistor, while the HIH-4602-C contains an integral precision RTD.

Features：

? Near linear voltage output vs %RH

? Laser-trimmed interchangeability

? Enhanced accuracy, fast response

? Chemically resistant

? Stable, low drift performance

? Built-in static protection

? Often ideal for dew point and absolute moisture measurements

? TO-5 housing

Potential Applications：

? Refrigeration

? Drying

? Meteorology

? Battery-powered systems

? OEM (Original Equipment Manufacturer) assemblies

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)	—	50	—	s	—
Stability (at 50% RH in one year)	—	±1.2	—	% RH	—
Voltage supply	4	—	5.8	V_dc	—
Current supply	—	200	500	μA	—
Output voltage temp. coefficient at 50% RH, 5 V	—	-4	—	mV/oC	—
Voltage output (1st order curve fit)	V_OUT=(V_SUPPLY)(0.0062(sensor RH) + 0.16), typical at 25℃
Temperature compensation	True RH = (sensor RH)/(1.0546-0.00216T), T in℃
Operating temperature	-40[-40]	See Figure 1.	85[185]	℃[oF]	—
Operating humidity	0	See Figure 1.	100	% RH	2
Storage temperature	-50[-58]	—	125[257]	℃[oF]	—
Storage humidity	See Figure 2.			% RH	2