Humidity Sensors
The humidity sensors of the serie HIH, offer a very good performance to survey the air moisture, in a very cost-efficient case. These humidity sensors are laser trimmed, heat-bonded, capacitive and are made of polymer. They include a chip-integrated signal processing. The HIH series are highly suitable for OEM initial equipment.
Additionally to the well-tried analog humidity sensor of the serie HIH-4000-xxx, there are now new, digital output sensors available to survey air moisture and temperature combined in a standard case (SOIC-8 SMD or SIP 4 Pol) with different accuracy. (from +/- 4,5% to +/- 1,7% accuracy of relative humidity.
The below table shows the most popular humidity sensors:
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| Series | HIH-4000 | HIH-4010/ 4020/ 4021 |
HIH-4030/ 4031 |
HIH-5030/ 5031 |
| Description | Intergrated circuit | covered or uncovered, filtered or unfiltered, intergrated circuit |
covered, filtered or unfiltered, intergrated circuit |
covered, filtered or unfiltered, intergrated circuit |
| Output | analog voltage | analog voltage | analog voltage | analog voltage |
| Package type | SIP (2,54mm [0,100in] or 1,27 mm [0,050in] lead pitch) |
SIP (2,54mm [0,100in] or 1,27 mm [0,050in] lead pitch) |
surface mount | surface mount |
| Response time | 5 s 1/e in slow moving air | 5 s 1/e in slow moving air | 5 s 1/e in slow moving air | 5 s 1/e in slow moving air |
| Operating temperature range |
-40 °C to 85 °C [-40 °F to 185 °F] |
-40 °C to 85 °C [-40 °F to 185 °F] |
-40 °C to 85 °C [-40 °F to 185 °F] |
-40 °C to 85 °C [-40 °F to 185 °F] |
| Operating humidity range |
0% RH to 100% RH | 0% RH to 100% RH | 0% RH to 100% RH | 0% RH to 100% RH |
| Moisture/dust filter | no | yes (some listings) | yes (some listings) | yes (some listings) |
| Cover/case | no | yes (some listings) | yes | yes |
| Calibration and data printout | yes (some listings) | yes (some listings) | yes | no |
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| Series | HIH-4602-A-C | HIH-4602 |
| Description | monolithic IC with integral thermistor or precision RTD integrated circuit |
monolithic IC with integral thermistor or precision RTD integrated circuit |
| Output | analog voltage (for humidity), resistance (for temperature) |
analog voltage (for humidity), resistance (for temperature) |
| Package type | TO-5 or TO-39 can | TO-5 or TO-39 can |
| Response time | 50 s 1/e in slow moving air | 50 s 1/e in slow moving air |
| Operating temperature range | -40 °C to 85 °C [-40 °F to 185 °F] | -40 °C to 85 °C [-40 °F to 185 °F] |
| Operating humidity range | 0% RH to 100% RH | 0% RH to 100% RH |
| Moisture/dust filter | yes (some listings) | yes (some listings) |
| Cover/case | yes | yes |
| Calibration and data printout | yes (some listings) | yes (some listings) |
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| Series | HumidIcon HIH 6000 | HumidIcon HIH 6100 |
| Description | digital output type, relative humidity (RH) and temperature sensor combined in the same package | digital output type, relative humidity (RH) and temperature sensor combined in the same package |
| Output | digital I2C or SPI | digital I2C or SPI |
| Humidity accuracy | +/- 4,5 % RH typical | +/- 4,0 % RH typical |
| Temperature accuracy | +/- 1,0°C typical | +/- 1,0°C typical |
| Package type | SOIC-8 SMD or SIP 4 PIN | SOIC-8 SMD or SIP 4 PIN |
| Response time | 6s in 20l/min minimum air flow | 6s in 20l/min minimum air flow |
| Long term stability | +/- 1,2 % RH for five years | +/- 1,2 % RH for five years |
| Operating temperature range | -40°C to 100°C [-40°F to 212°F] | -25 °C to 85 °C [-13 °F to 185 °F] |
| Operating humidity range | 0% RH to 100% RH | 0% RH to 100% RH |
| Compensated humidity range | 20% RH to 80% RH | 10% RH to 90% RH |
| Moisture/dust filter | yes (some listings) | yes (some listings) |
| calibration and data print out | no | no |
| Voltage supply | 3,3Vdc typ. | 3,3Vdc typ. |
| Features | industry-leading long term stability, reliability, and relative humidity accuracy; lowest total cost solution; energy efficient; available with or without hydrophobic filter and condensation-resistance; optional one or two %RH level alarm outputs | industry-leading long term stability, reliability, and relative humidity accuracy; lowest total cost solution; energy efficient; available with or without hydrophobic filter and condensation-resistance; optional one or two %RH level alarm outputs |
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| Series | HumidIcon HIH7000 | HumidIcon HIH8000 | HumidIcon HIH9000 |
| Description | digital output type, relative humidity (RH) and temperature sensor combined in the same package | digital output type, relative humidity (RH) and temperature sensor combined in the same package |
Unfortunately this type has been already cancelled by the manufacturer.
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| Output | digital I2C or SPI | digital I2C or SPI | digital I2C or SPI |
| Humidity accuracy | +/- 3,0 % RH typical | +/- 2,0 % RH typical | +/- 1,7 % RH typical |
| Temperature accuracy | +/- 1,0°C typical | +/- 0,8°C typical | +/- 0,6°C typical |
| Package type | SOIC-8 SMD or SIP 4 PIN | SOIC-8 SMD or SIP 4 PIN | SOIC-8 SMD or SIP 4 PIN |
| Response time | 6s in 20l/min minimum air flow | 6s in 20l/min minimum air flow | 8s max., 1/e slow moving air |
| Long term stability | +/- 1,2 % RH for five years | +/- 1,2 % RH for five years | +/- 1,2 % RH for five years |
| Operating temperature range | -40°C to 100°C [-40°F to 212°F] | -40°C to 100°C [-40°F to 212°F] | -40°C to 100°C [-40°F to 212°F] |
| Operating humidity range | 0% RH to 100% RH | 0% RH to 100% RH | 0% RH to 100% RH |
| Compensated humidity range | 20% RH to 80% RH | 10% RH to 90% RH | 10% RH to 90% RH |
| Moisture/dust filter | yes (some listings) | yes (some listings) | yes (some listings) |
| calibration and data print out | no | no | no |
| Voltage supply | 3,3Vdc typ. | 3,3Vdc typ. | 3,3Vdc typ. |
| Features | industry-leading long term stability, reliability, and relative humidity accuracy; lowest total cost solution; energy efficient; available with or without hydrophobic filter and condensation-resistance; optional one or two %RH level alarm outputs | industry-leading long term stability, reliability, and relative humidity accuracy; lowest total cost solution; energy efficient; available with or without hydrophobic filter and condensation-resistance; optional one or two %RH level alarm outputs | industry-leading long term stability, reliability, and relative humidity accuracy; lowest total cost solution; energy efficient; available with or without hydrophobic filter and condensation-resistance; optional one or two %RH level alarm outputs |
We are looking forward to a good cooperation with you!
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