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(5/6)
CHS-C TYPE
For consumer and office equipment
FEATURES
? Temperature detection thermistor can be added.
SHAPES AND DIMENSIONS
34
? Humidity sensing characteristics exhibit virtually no hysteresis.
? Low current consumption.
? Absolute humidity can be read directly with DC. 1V voltmeter.
7.0
20
Connector
? All-in-one construction incorporates circuits and 5V power
supply operation.
? Generated ripple at low humidity levels will not exceed 2.5mV.
Type
CHS-CMC-_ _
4
3
2
1
Pin No. 1 +5V
Pin No. 2 Humidity output
(RHV)
Pin No. 3 GND?TH1
Pin No. 4 TH2
Nominal accuracy(%)RH
Measuring range(%)RH
MAXIMUM RATINGS (Ta=25°C)
±5
30, 50, 80
(5)
2-?4.1±0.1
Humidity sensor
Components mounting region
Power supply voltage Edc
Operating conditions
Storage conditions
7V max.
0 to +50°C, power supply voltage 5V, without
dewing
–20 to +60°C, without dewing
Dimensions in mm
Tolerance: ±0.5
ELECTRICAL CHARACTERISTICS
Item
Specifications
Conditions
Minimum
Standard
Maximum
Operating voltage Edc (V)
4.75
5
5.25
Operating current(mA)
Output impedance(k ? )
(200)
0.6
Edc=5V, 25°C
at DC
Accuracy(%)RH
30(%)RH
50(%)RH
80(%)RH
–5
(0.5V)
–5
(0.86V)
–5
(1.5V)
(0.6V)
(0.96V)
(1.6V)
+5
(0.7V)
+5
(1.06V)
+5
(1.7V)
Edc=5V, 25°C
(For details, please refer to typical characteristics)
Hysteresis(%)RH
≈ 0
Stable time: 20 min
Temperature dependency(%)RH
Response time(min)
Recommended operating
temperature(°C)
–5
+15
1
+5
+35
Edc=5V, 25°C standard
(For details, please refer to typical characteristics)
Response time to reach 90% of actual humidity as for from
30 to 85(%)RH
Edc=5V
RECOMMENDED CHARACTERISTICS OF TEMPERATURE
DETECTION THERMISTOR
Part No.
Resistance value(Between TH1 and TH2)
Constant B
Maximum rated power
NTCCM16084BH103JC
10k ? ±5%
4100K±3%
230mW
? All specifications are subject to change without notice.
002-01 / 20100120 / eb111_chs.fm
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