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HTU(F) 3800 Humidity & Temperature Transducer
Brand: American Sensor Technologies Inc
Based on the new digital humidity module HTU3800 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 module humidity and temperature digital outputs. HTU3800 Series modules are designed for high volume and cost sensitive applications where power consumption is critical.
Every module is individually calibrated and tested, linearized signals in digital, I²C format. Furthermore, the resolution of HTU3800 Series digital humidity and temperature module can be changed by command (8/12 bit up to 12/14 bit for RH/T), low battery can be detected and a checksum improves communication reliability.
Optional PTFE filter/membrane (F) protects HTU3800 Series digital 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
- I²C digital output
- Demonstrated reliability and long term stability
- Reliability not affected by repeated condensation
Specifications
Accuracy
- ± 0.3° C (± 0.54° F) - Temperature Accuracy at 25° C (77° F)
- ± 2 % Relative Humidity - Relative Humidity Accuracy at 25° C (77° F), 20 to 80 % Relative Humidity
Approvals & Certifications
- RoHS
Communication
- 2-Wire Interface
- I²C Protocol
Current
- 0.02 µA Typical - Current Consumption (Sleep Mode) for HTU3833 Products
- 0.5 μA Typical - Current Consumption (Sleep Mode) for HTU3835 Products
- 130-600 μA - Current Consumption (Measuring) for HTU3835 Products
- 300-500 µA - Current Consumption (Measuring) for HTU3833 Products
Dissipation
- 0.06 µW - Power Dissipation (Typical Sleep Mode) for HTU3833 Products
- 0.5 µW - Power Dissipation, Max.
- 2.5 µW - Power Dissipation (Typical Sleep Mode) for HTU3835 Products
- 2.7 µW - Power Dissipation (Average 8-bit) for HTU3833 Products
- 4.6 µW - Power Dissipation (Average 8-bit) for HTU3835 Products
- 7.9 µW - Power Dissipation, Max.
Frequency
- 400 kHz - SCK
Humidity
- 0 to 100 % Relative Humidity
Hysteresis
- ± 1 % Relative Humidity - Humidity Hysteresis
Input
- -10 to 10 mA - Input Current on Any Pin
Operating Temperature
- -40° to 85° C (-40° to 185° F)
Power Requirement
- -0.3 to 3.6 V - Vdd to GND for HTU3833 Products
- -16 to 16 V - Vdd to GND for HTU3835 Products
Resolution
- 0.01° C - 14-bits
- 0.04 % Relative Humidity - 12-bits Humidity Resolution
- 0.04° C - 12-bits
- 0.7 % Relative Humidity - 8-bits Humidity Resolution
Response Time
- 5 to 10 seconds - Response Time (At 63 % of Signal) from 33 to 75 % Relative Humidity
Storage Temperature
- -40° to 125° C (-40° to 257° F)
Supply Voltage
- 1.5-3.6 V at 25° C (77° F) & Vdd = 3 V (HTU3833 Products)
- 16 Vdc - Supply Voltage (Peak) for HTU3835 Products
- 3.8 Vdc - Supply Voltage (Peak) for HTU3833 Products
- 4.75-5.25 V at 25° C (77° F) & Vdd = 5 V (HTU3835 Products)
Temperature Effect
- -0.15 % Relative Humidity/°C - Temperature Coefficient from 0° to 80° C (32° to 176° F)
Update Time
- 10 seconds - Recovery Time after 150 Hours of Condensation
- Home Appliance
- Medical
- Printers
- Humidifier