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20160401 / sensor_humidity_chs_en.fm

SENSORS

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Element

CHS-ESS-CA5

TYPICAL ELECTRICAL CHARACTERISTICSELECTRICAL CHARACTERISTICS

Impedance-humidity characteristics (by temperature)

Impedance-humidity characteristics (by frequency)

at Edc=1V, 1kHz

at Edc=1V, 25°C

Power supply voltage Edc

7V max.

Operating conditions

0 to +60°C, 10 to 90%RH, no dew condensation

Storage conditions

–20 to +85°C, 5 to 95%RH, no dew condensation

Item

Min.

Standard Max.

Condition

Driving VoltageEdc(V)

5

Operating current(mA)

0.5

Output impedance(k

:)

26

40

62

25°C, at 50%RH

Measurement accuracy(%RH)

–5

+5

Edc=5V, 25°C, at 50%RH

26k

:

40k

:

62k

:

Hysteresis(%)RH

1

Response time(min)

1

1 Response time to reach 90% of actual humidity from 30to 85% RH

100M

10M

1M

100K

10K

1K

020

40

60

80

10

30

50

70

90

5˚C

15˚C

25˚C

35˚C

45˚C

Relative humidity (%RH)

100M

10M

1M

100K

10K

1K

020

40

60

80

10

30

50

70

90

100Hz

1kHz

10kHz

100kHz

Relative humidity (%RH)