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:
- Quantity:
- - +
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 |
Vdc |
— |
|
Current supply |
— |
200 |
500 |
μA |
— |
|
Output voltage temp. coefficient at 50% RH, 5 V |
— |
-4 |
— |
mV/oC |
— |
|
Voltage output (1st order curve fit) |
VOUT=(VSUPPLY)(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 |
||
Specific Notes:
1. Device is calibrated at 5 Vdc and 25 oC.
2. Non-condensing environment.
General Notes:
? Sensor is ratiometric to supply voltage.
? Extended exposure to >90% RH causes a reversible shift of 3% RH.
? Sensor is light sensitive. For best performance, shield sensor from bright light.
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