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H(T)U(F) 3500 Humidity & Temperature Transducer
Brand: American Sensor Technologies IncU(F)3500_Humidity_and_Temperature_Transducer.png)
Based on the new humidity sensor HTU21P, HTU3500 Series are dedicated humidity and temperature plug and play transducer designed for OEM applications where reliable and accurate measurements are needed.
Direct interface with a micro-controller is made possible with the modules humidity linear voltage and direct NTC outputs. The HTU3500 Series are designed for high volume and demanding applications where power consumption is critical.
Optional PTFE filter/membrane (F) protects HTU3500 Series modules Analog humidity modules with temperature output against dust, water immersion as well as against contamination by particles. PTFE filter/membrane preserves a high response time. Several connectors are proposed. 5 Vdc or 3 Vdc power supply products are available.
Features- Full interchangeability with no calibration required in standard conditions
- Instantaneous desaturation after long periods in saturation phase
- Analog output
- Demonstrated reliability and long term stability
- Reliability not affected by repeated condensation
- HU3500 - Analog humidity sensor only - can be proposed
Specifications
Accuracy
- ± 2 % RH - Relative Humidity Accuracy (20 to 80 % RH)
Approvals & Certifications
- RoHS
Current
- 1 mA Dc - Typical Current Consumption (HTU35Y3)
- 1.2 mA Dc - Current Consumption (HTU35Y5)
Electrical Connectors
- 24 to 30 AWG
Humidity
- 0 to 100 % RH
Hysteresis
- ± 1 % RH - Humidity Hysteresis
Input
- -10 to 10 mA - Input Current on Any Pin
Operating Temperature
- -40° to 85° C (-40° to 185° F)
Output
- 1.49 V at 55 % RH - Nominal Output (HTU35Y3)
- 2.4-2.55 V at 55 % RH - Nominal Output (HTU35Y5)
Output Impedence
- 50 ohms
Power Requirement
- -0.3 to 3.6 V - Vdd to GND (HTU3533 Products)
- 1 mA - Sink Current Capability
- -16 to 16 V - Vdd to GND for HTU3535 Products
Resistance
- 10 kΩ at 25° C (77° F) - Nominal Resistance
Response Time
- 5 to 10 seconds (At 63 % of Signal) - Time Constant 33 to 75 % RH at 1 m/sec Air Flow
Sensitivity
- 16 mV/ % RH - Humidity Average Sensitivity (HTU35Y3)
- 26 mV/ % RH - Humidity Average Sensitivity (HTU35Y5)
Sensor, Probe Type
- NTC Thermistor
Storage Temperature
- -40° to 125° C (-40° to 257° F)
Supply Voltage
- 16 Vdc - Peak
- 2.85-3.15 Vdc - Voltage Supply (HTU35Y3)
- 3 Vdc - Typical (HTU35Y3)
- 4.75-5.25 V - Voltage Supply (HTU35Y5)
- 5 V - Voltage Supply (HTU35Y5)
Temperature Effect
- -0.15 % RH/°C - Temperature Coefficient
Tolerance
- 1 % at 25° C (77° F) - Nominal Resistance Tolerance
Update Time
- 10 seconds - Recovery Time after 150 Hours of Condensation
- 150 ms - Warm-Up Time (90 % of Signal)
- Home appliance
- Medical
- Printers
- Humidifier