ETC HIH-3602-A

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Sensing and Control
Honeywell Inc.
11 West Spring Street
Freeport, Illinois 61032
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Humidity Sensors
Relative Humidity
HIH Series
FEATURES
1 Linear voltage output vs % RH
1 Laser trimmed interchangeability
1 High accuracy, fast response
1 Chemically resistant
1 Stable, low drift performance
1 Built-in static protection
1 Ideal for dew point and absolute
moisture measurements
1 TO-39 housing
TYPICAL APPLICATIONS
1 Refrigeration
1 Drying
1 Meteorology
1 Battery-powered systems
1 OEM assemblies
ORDER GUIDE
Catalog Listing
Description
HIH-3602-A
Monolithic IC humidity sensor with integral
thermistor in TO-5 can
HIH-3602-C
Monolithic IC humidity sensor with integral precision RTD in TO-5 can
MOUNTING DIMENSIONS (for reference only)
GENERAL INFORMATION
HIH-3602-A and HIH-3602-C 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-3602A/C ideal for measuring dew point and
other absolute moisture terms. Factory
calibration data supplied with each sensor allows individually matched downstream electronics and ±2% RH total
accuracy.
NIST CALIBRATION
Each HIH-3602-A or HIH-3602-C sensor includes a sensor specific NIST calibration and data printout. Sensors are not individually serialized.
RH SENSOR CONSTRUCTION
Sensor construction consists of a planar capacitor with a second polymer layer to protect against dirt, dust, oils and other
hazards.
HIH-3602-A and HIH-3602-C
CAUTION
PRODUCT DAMAGE
The inherent design of this component causes it to be sensitive
to electrostatic discharge (ESD). To prevent ESD-induced
damage and/or degradation, take normal ESD precautions
when handling this product.
Humidity
INTERNAL PIN CONNECTIONS
0.018 (0,46) dia. lead gold plated (6 places)
A, B
(HIH-3602-A) Thermistor for temperature compensation
A, B
(HIH-3602-C) RTD for temperature compensation
C
+VDC supply
D
(−) Power or ground
E
VDC out
F
Case ground
Honeywell 1 MICRO SWITCH Sensing and Control 1 1-800-537-6945 USA 1 F1-815-235-6847 International 1 1-800-737-3360 Canada
95
Humidity Sensors
Relative Humidity
HIH Series
PERFORMANCE SPECIFICATIONS
Catalog Listing
HIH-3602-A
HIH-3602-C
Temperature Sensor
Rb J 100 kV ±5% @ 25°C, NTC
0-50°C, b J 4143K, T J °K
R(T) J Rb exp (b/T-b/298.15)
1000V ±0.2% @ 0°C
Thin Film Platinum RTD
alpha J 0.00375 V/V/°C
Temperature Accuracy
±3.0°C @ 25°C
±0.5°C @ 25°C
RH Accuracy(1)
±2% RH, 0-100% RH non-condensing, 25°C, Vsupply J 5 VDC
RH Interchangeability
±5% RH, 0-60% RH; ±8% @ 90% RH
RH Linearity
±0.5% RH typical
RH Hysteresis
±1.2% of RH span maximum
RH Repeatability
±0.5% RH
RH Response Time, 1/e
50 sec in slowly moving air at 25°C
RH Stability
±1% RH typical at 50% RH in 5 years
Power Requirements
Voltage Supply
Current Supply
4 to 5.8 VDC, sensor calibrated at 5 VDC
200 mA at 5 VDC
Voltage Output
Vsupply J 5 VDC
Drive Limits
Temp. Compensation
Effect @ 0% RH
Effect @ 100% RH
Vout J Vsupply (0.0062 (Sensor RH) +0.16), typical @ 25°C
(Data printout provides a similar, but sensor specific, equation at 25°C.)
0.8 to 3.9 VDC output @ 25°C typical
Push/pull symmetric; 50 mA typical, 20 mA minimum, 100 mA maximum
Turn-on ≤0.1 second
True RH J (Sensor RH)/(1.093-.0012T), T in °F
True RH J (Sensor RH)/(1.0546-0.00216T), T in °C
±0.007% RH/°C (negligible)
−0.22% RH/°C (<1% RH effect typical in occupied space systems above 15°C (59°F))
Humidity Range
Operating
Storage
0 to 100% RH, non-condensing(1)
0 to 90% RH, non-condensing
Temperature Range
Operating
Storage
−40° to 85°C (−40° to 185°F)
−40° to 125°C (−40° to 275°F)
Package
TO-5 with 60m hydrophobic sintered stainless steel filter, resists condensation
Handling
Static sensitive diode protected to 15 kV maximum
1. Extended exposure to ≥90% RH causes a reversible shift of 3% RH.
OUTPUT VOLTAGE VS RELATIVE
HUMIDITY (at 0°C)
96
OUTPUT VOLTAGE VS RELATIVE
HUMIDITY (at 0°C, 25°C, and 85°C)
Honeywell 1 MICRO SWITCH Sensing and Control 1 1-800-537-6945 USA 1 F1-815-235-6847 International 1 1-800-737-3360 Canada