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ALTA Wireless Humidity Sensor


Monnit's ALTA wireless humidity sensors allow you to monitor the relative humidity of the air within a room or enclosure. Ideal for monitoring humidity within greenhouses, industrial spaces, museums, saunas and humidors. They can also be used for residential applications such as controlling mold, mildew or dust mites.

ALTA Wireless Humidity Sensor - ALTA WIRELESS HUMIDITY SENSOR, 900 MHz - COIN CELL POWERED
Part No. Description Price Stock
MNS2-4-W1-HU-RH ALTA WIRELESS HUMIDITY SENSOR, 433 MHz - COIN CELL POWERED $69
MNS2-8-W1-HU-RH ALTA WIRELESS HUMIDITY SENSOR, 868 MHz - COIN CELL POWERED $69
MNS2-9-W1-HU-RH ALTA WIRELESS HUMIDITY SENSOR, 900 MHz - COIN CELL POWERED $69
MNS2-8-W1-HU-RH-L03 ALTA WIRELESS HUMIDITY SENSOR, 868 MHz,with 3 foot lead - COIN CELL POWERED $94
MNS2-9-W1-HU-RH-L03 ALTA WIRELESS HUMIDITY SENSOR, 900 MHz,with 3 foot lead - COIN CELL POWERED $94
MNS2-8-W1-HU-RH-L10 ALTA WIRELESS HUMIDITY SENSOR, 868 MHz,with 10 foot lead - COIN CELL POWERED $101
MNS2-9-W1-HU-RH-L10 ALTA WIRELESS HUMIDITY SENSOR, 900 MHz,with 10 foot lead - COIN CELL POWERED $101
MNS2-8-W1-HU-RH-L25 ALTA WIRELESS HUMIDITY SENSOR, 868 MHz,with 25 foot lead - COIN CELL POWERED $116
MNS2-9-W1-HU-RH-L25 ALTA WIRELESS HUMIDITY SENSOR, 900 MHz,with 25 foot lead - COIN CELL POWERED $116
∗ Standard lead time is 1 week

ALTA - Leading Enterprise Grade "Internet of Things" Solutions

ALTA sensors offer 3 to 4 times the range of standard sensor platforms, extending non-line-of-sight reach to an exceptional 1,200+ feet through walls (12-14 walls typical). Using Frequency-hopping Spread Spectrum (FHSS) also allows ALTA sensors to have better interference immunity from other wireless devices.

Superior power management provides ALTA sensors with almost twice the battery life of Monnit's standard wireless sensors.

  • Coin cell sensors typically last 3+ years.
  • AA and Industrial sensors typically last up to 12+ years.
ALTA products employ Monnit's new Encrypt-RF® Security (256-bit Diffie Hellman key exchange and AES-128 CBC encryption for all sensor data messages), so security is maintained at all communication points from sensor to gateway, gateway to software, then back again.

Integrated on-board data storage allows ALTA sensors to store data messages if communication to a wireless gateway is disrupted (power outage, Internet outage, or out of range). Messages that can't be delivered will be time-stamped and stored in memory (up to the last 512 messages) until communication with the gateway is restored, at which point the messages will all be transmitted.

Over-the-air updates allow ALTA products to be updated remotely if new fixes or features become available.

Packing List


  • Wireless Sensor
  • CR2032 Coin Cell Battery
  • Mounting Hardware

Features


  • 900/868/433 MHz Operating Frequency
  • Accuracy: +/- 3% under normal conditions ( 10% - 90% RH )
  • RH Operating Range: 0 - 100% RH
  • RH Response Time: 8 sec ( tau 63% )
  • Weight: 3.7 oz.
  • Security: Encrypt-RF® (256-bit key exchange and AES-128 CTR)
  • Battery Type: Replaceable 3.0V (CR2032) Coin Cell Battery
  • Dimension: 2.0 in x 1.125 in x 0.875 in
  • Max Operating Temperature: -7°C to +60°C ( 20°F to +140°F )
  • Optimal Battery Operating Temperature (Coin Cell): +10°C to +50°C ( +50°F to +122°F )
  • Supply Voltage: 2.0 - 3.8 VDC
  • Battery Life: At 1 hour heartbeat setting, coin cell battery will last up to 4 years. **
  • Monnit PinchPower™ Wireless Sensor ABS Enclosures
  • Scientific grade senso

* Actual range may vary depending on environment.
** Battery life is determined by sensor reporting frequency and other variables.