Humidity Sensor

Humidity Sensor Product compatible with RoHS directive Overview of the CHS Series APPLICATION Refrigerators (The dew condensation prevention), air conditioners (indoor humidity control), , PPCs, LBP printers (image quality control), industrial electronic humidity sensors, air conditioners for plant factories, etc. PRODUCT LINEUP Assembly Type CHS-UPS CHS-UPR CHS-UGS CHS-UGR CHS-MSS Driving range Guaranteed measurement accuracy range 5 to 95RH +25°C SQUARE TYPE ROUND TYPE SQUARE TYPE ROUND TYPE SQUARE TYPE Driving Voltage Output voltage SQUARE TYPE Element Type Driving range Guaranteed measurement...

Assembly Sensor units with built-in circuits CHS-UPS, -UPR, -UGS, -UGR FEATURES Guarantee a measurement accuracy of ±3% RH in the humidity range of 5 to 95% RH. They are highly accurate. The nominal accuracy for the CHSUPR and CHR-UPS is within ±3(%) RH. Characteristics are stable over a wide temperature range. Dry and wet characteristics exhibit virtually no hysteresis. Highly cost-effective and compact, requiring extremely little mounting space. Low current consumption. Outputs DC.1V at 100(%)RH; relative humidity can be read directly with a voltmeter. All-in-one construction integrates sensor...

Assembly Sensor units with built-in circuits CHS-UPS, -UPR, -UGS, -UGR MAXIMUM RATINGS (Ta=25°C) Power supply voltage Edc Operating conditions Storage conditions 7V max. 0 to +50°C, power supply voltage of 5 V, no dew condensation –20 to +60°C, no dew condensation TYPICAL ELECTRICAL CHARACTERISTICS Item Measurement accuracy(%RH) Driving VoltageEdc(V) Operating current(mA) Output voltage(mV)/%RH Output impedance(k:) Hysteresis(%)RH Temperature dependency(%RH) Response time(min) Recommended operating temperature(°C) Reference value Example of sensor linearity characteristics CHS-UPS, -UPR Example...

Assembly Sensor units with built-in circuits CHS-MSS FEATURES A compact type that is the smallest and lightest in the series. Guarantees a measurement accuracy of ±5% RH in the humidity range of 20 to 85% RH. Sensor units with built-in circuits that output an Edc of 10 mV per 1% RH when connected to a 5 V power supply. Feature low current consumption (0.6 mA with an operating voltage of 5 V at 25°C). Dry and wet characteristics exhibit virtually no hysteresis. Sensor face Sensor face Please be sure to request delivery specifications that provide further details on the features and specifications...

Assembly Sensor units with built-in circuits CHS-MSS MAXIMUM RATINGS (Ta=25°C) Power supply voltage Edc Operating conditions Storage conditions 7V max. 0 to +50°C, power supply voltage of 5 V, no dew condensation –20 to +60°C, no dew condensation TYPICAL ELECTRICAL CHARACTERISTICSELECTRICAL CHARACTERISTICS Item Driving VoltageEdc(V) Operating current(mA) Output voltage(mV)/%RH Output impedance(k:) Measurement accuracy(%RH) Hysteresis(%)RH Temperature dependency(%RH) Response time(min) Recommended operating temperature(°C) Condition Edc=5V, 25°C Edc=5V, 25°C, 20 to 85%RH at DC Edc=5V, 25°C, 20...

Assembly Sensor units with built-in circuits CHS-CGC5-28 FEATURES A small sensor element and connector are mounted on a PCB on which a circuit is provided. Guarantees a measurement accuracy of ±7% RH at a humidity of 50 % RH. Outputs power suitable to the measured humidity when connected to a 5 V power supply. The hysteresis of the dry and wet characteristics is about 1% RH. Equipped with a thermistor for humidity detection. Sensor element Area without parts and the pattern (Installation area) Tolerance:±0.5mm Dimensions in mm BUILT-IN SENSOR (THERMISTOR) CONNECTION EXAMPLE Edc R Sensor element...

Assembly Sensor units with built-in circuits CHS-CGC5-28 MAXIMUM RATINGS (Ta=25°C) Power supply voltage Edc Operating conditions Storage conditions 7V max. 0 to +50°C, power supply voltage of 5 V, no dew condensation –20 to +60°C, no dew condensation TYPICAL ELECTRICAL CHARACTERISTICSELECTRICAL CHARACTERISTICS Item Driving VoltageEdc(V) Operating current(mA) Output impedance(k:) Measurement accuracy(%RH) Hysteresis(%)RH Response time(min) Condition Edc=5V, 25°C at DC Edc=5V, 25°C, at 50%RH Stable time: 20min 1 Response time to reach 90% of actual humidity from 30to 85% RH Reference value Example...

CHS-ESS-CA5 FEATURES A variable resistance humidity sensor with superior water and gas resistance in a small package. Features a large impedance change in response to humidity changes and exhibits excellent responsiveness and sensitivity. Guarantees a measurement accuracy of ±5% RH at a humidity of 50 % RH. The hysteresis of the dry and wet characteristics is suppressed at about 1% RH. Sensor face Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use. Please note that the contents may change without...

CHS-ESS-CA5 MAXIMUM RATINGS (Ta=25°C) Power supply voltage Edc Operating conditions Storage conditions TYPICAL ELECTRICAL CHARACTERISTICSELECTRICAL CHARACTERISTICS Item Driving VoltageEdc(V) Operating current(mA) Output impedance(k:) Measurement accuracy(%RH) Hysteresis(%)RH Response time(min) 25°C, at 50%RH Edc=5V, 25°C, at 50%RH 1 Response time to reach 90% of actual humidity from 30to 85% RH Reference value Impedance-humidity characteristics (by temperature) at Edc=1V, 1kHz Impedance-humidity characteristics (by frequency) at Edc=1V, 25°C Please be sure to request delivery specifications that...

CHS Series Handling Precautions For all CHS Series products Please request the delivery specification form containing more detailed information on characteristics and specifications, so as to ensure correct and safe use of the products. Operating life of the products becomes shorter depending on the environmental conditions. If you place emphasis on the stable operation period, please confirm the operating life in the actual environment in advance. Check the standards concerning the storage conditions described in the delivery specifications of the products, and store them in accordance with...