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ALTA Industrial Wireless Humidity Sensor


Monnit's ALTA industrial 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 Industrial Wireless Humidity Sensor - ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz
Part No. Description Price Stock
MNS2-4-IN-HU-RH ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz $99
MNS2-8-IN-HU-RH ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz $99
MNS2-9-IN-HU-RH ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz $99
MNS2-91-IN-HU-RH ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 920 MHz Korea $99
MNS2-4-IN-HU-RH-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,HGA $114
MNS2-8-IN-HU-RH-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,HGA $114
MNS2-9-IN-HU-RH-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,HGA $114
MNS2-4-IN-HU-RH-L03 ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 3 foot lead $124
MNS2-8-IN-HU-RH-L03 ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 3 foot lead $124
MNS2-9-IN-HU-RH-L03 ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 3 foot lead $124
MNS2-4-IN-HU-RH-L10 ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 10 foot lead $138
MNS2-8-IN-HU-RH-L10 ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 10 foot lead $138
MNS2-9-IN-HU-RH-L10 ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 10 foot lead $138
MNS2-4-IN-HU-RH-L03-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 3 foot lead,HGA $139
MNS2-4-IN-HU-RH-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,Solar w/ RBC $139
MNS2-8-IN-HU-RH-L03-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 3 foot lead,HGA $139
MNS2-8-IN-HU-RH-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,Solar w/ RBC $139
MNS2-9-IN-HU-RH-L03-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 3 foot lead,HGA $139
MNS2-9-IN-HU-RH-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,Solar w/ RBC $139
MNS2-4-IN-HU-RH-L10-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 10 foot lead,HGA $153
MNS2-8-IN-HU-RH-L10-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 10 foot lead,HGA $153
MNS2-9-IN-HU-RH-L10-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 10 foot lead,HGA $153
MNS2-4-IN-HU-RH-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,Solar w/ RBC,HGA $154
MNS2-8-IN-HU-RH-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,Solar w/ RBC,HGA $154
MNS2-9-IN-HU-RH-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,Solar w/ RBC,HGA $154
MNS2-4-IN-HU-RH-L03-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 3 foot lead,Solar w/ RBC $164
MNS2-4-IN-HU-RH-NC ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,NIST Certified $164
MNS2-8-IN-HU-RH-L03-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 3 foot lead,Solar w/ RBC $164
MNS2-8-IN-HU-RH-NC ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,NIST Certified $164
MNS2-9-IN-HU-RH-L03-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 3 foot lead,Solar w/ RBC $164
MNS2-9-IN-HU-RH-NC ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,NIST Certified $164
MNS2-4-IN-HU-RH-L25 ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 25 foot lead $168
MNS2-8-IN-HU-RH-L25 ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 25 foot lead $168
MNS2-9-IN-HU-RH-L25 ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 25 foot lead $168
MNS2-4-IN-HU-RH-L10-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 10 foot lead,Solar w/ RBC $178
MNS2-8-IN-HU-RH-L10-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 10 foot lead,Solar w/ RBC $178
MNS2-9-IN-HU-RH-L10-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 10 foot lead,Solar w/ RBC $178
MNS2-4-IN-HU-RH-L03-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 3 foot lead,Solar w/ RBC,HGA $179
MNS2-4-IN-HU-RH-NC-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,NIST Certified,HGA $179
MNS2-8-IN-HU-RH-L03-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 3 foot lead,Solar w/ RBC,HGA $179
MNS2-8-IN-HU-RH-NC-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,NIST Certified,HGA $179
MNS2-9-IN-HU-RH-L03-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 3 foot lead,Solar w/ RBC,HGA $179
MNS2-9-IN-HU-RH-NC-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,NIST Certified,HGA $179
MNS2-4-IN-HU-RH-L25-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 25 foot lead,HGA $183
MNS2-8-IN-HU-RH-L25-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 25 foot lead,HGA $183
MNS2-9-IN-HU-RH-L25-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 25 foot lead,HGA $183
MNS2-4-IN-HU-RH-L03-NC ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 3 foot lead,NIST Certified $189
MNS2-8-IN-HU-RH-L03-NC ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 3 foot lead,NIST Certified $189
MNS2-9-IN-HU-RH-L03-NC ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 3 foot lead,NIST Certified $189
MNS2-4-IN-HU-RH-L10-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 10 foot lead,Solar w/ RBC,HGA $193
MNS2-8-IN-HU-RH-L10-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 10 foot lead,Solar w/ RBC,HGA $193
MNS2-9-IN-HU-RH-L10-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 10 foot lead,Solar w/ RBC,HGA $193
MNS2-4-IN-HU-RH-L10-NC ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 10 foot lead,NIST Certified $196
MNS2-8-IN-HU-RH-L10-NC ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 10 foot lead,NIST Certified $196
MNS2-9-IN-HU-RH-L10-NC ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 10 foot lead,NIST Certified $196
MNS2-4-IN-HU-RH-L03-NC-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 3 foot lead,NIST Certified,HGA $204
MNS2-4-IN-HU-RH-NC-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,NIST Certified,Solar w/ RBC $204
MNS2-8-IN-HU-RH-L03-NC-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 3 foot lead,NIST Certified,HGA $204
MNS2-8-IN-HU-RH-NC-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,NIST Certified,Solar w/ RBC $204
MNS2-9-IN-HU-RH-L03-NC-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 3 foot lead,NIST Certified,HGA $204
MNS2-9-IN-HU-RH-NC-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,NIST Certified,Solar w/ RBC $204
MNS2-4-IN-HU-RH-L25-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 25 foot lead,Solar w/ RBC $208
MNS2-8-IN-HU-RH-L25-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 25 foot lead,Solar w/ RBC $208
MNS2-9-IN-HU-RH-L25-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 25 foot lead,Solar w/ RBC $208
MNS2-4-IN-HU-RH-L10-NC-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 10 foot lead,NIST Certified,HGA $211
MNS2-4-IN-HU-RH-L25-NC ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 25 foot lead,NIST Certified $211
MNS2-8-IN-HU-RH-L10-NC-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 10 foot lead,NIST Certified,HGA $211
MNS2-8-IN-HU-RH-L25-NC ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 25 foot lead,NIST Certified $211
MNS2-9-IN-HU-RH-L10-NC-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 10 foot lead,NIST Certified,HGA $211
MNS2-9-IN-HU-RH-L25-NC ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 25 foot lead,NIST Certified $211
MNS2-4-IN-HU-RH-NC-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,NIST Certified,Solar w/ RBC,HGA $219
MNS2-8-IN-HU-RH-NC-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,NIST Certified,Solar w/ RBC,HGA $219
MNS2-9-IN-HU-RH-NC-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,NIST Certified,Solar w/ RBC,HGA $219
MNS2-4-IN-HU-RH-L25-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 25 foot lead,Solar w/ RBC,HGA $223
MNS2-8-IN-HU-RH-L25-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 25 foot lead,Solar w/ RBC,HGA $223
MNS2-9-IN-HU-RH-L25-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 25 foot lead,Solar w/ RBC,HGA $223
MNS2-4-IN-HU-RH-L25-NC-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 25 foot lead,NIST Certified,HGA $226
MNS2-8-IN-HU-RH-L25-NC-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 25 foot lead,NIST Certified,HGA $226
MNS2-9-IN-HU-RH-L25-NC-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 25 foot lead,NIST Certified,HGA $226
MNS2-4-IN-HU-RH-L03-NC-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 3 foot lead,NIST Certified,Solar w/ RBC $229
MNS2-8-IN-HU-RH-L03-NC-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 3 foot lead,NIST Certified,Solar w/ RBC $229
MNS2-9-IN-HU-RH-L03-NC-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 3 foot lead,NIST Certified,Solar w/ RBC $229
MNS2-4-IN-HU-RH-L10-NC-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 10 foot lead,NIST Certified,Solar w/ RBC $236
MNS2-8-IN-HU-RH-L10-NC-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 10 foot lead,NIST Certified,Solar w/ RBC $236
MNS2-9-IN-HU-RH-L10-NC-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 10 foot lead,NIST Certified,Solar w/ RBC $236
MNS2-4-IN-HU-RH-L03-NC-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 3 foot lead,NIST Certified,Solar w/ RBC,HGA $244
MNS2-8-IN-HU-RH-L03-NC-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 3 foot lead,NIST Certified,Solar w/ RBC,HGA $244
MNS2-9-IN-HU-RH-L03-NC-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 3 foot lead,NIST Certified,Solar w/ RBC,HGA $244
MNS2-4-IN-HU-RH-L10-NC-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 10 foot lead,NIST Certified,Solar w/ RBC,HGA $251
MNS2-4-IN-HU-RH-L25-NC-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 25 foot lead,NIST Certified,Solar w/ RBC $251
MNS2-8-IN-HU-RH-L10-NC-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 10 foot lead,NIST Certified,Solar w/ RBC,HGA $251
MNS2-8-IN-HU-RH-L25-NC-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 25 foot lead,NIST Certified,Solar w/ RBC $251
MNS2-9-IN-HU-RH-L10-NC-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 10 foot lead,NIST Certified,Solar w/ RBC,HGA $251
MNS2-9-IN-HU-RH-L25-NC-SOL ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 25 foot lead,NIST Certified,Solar w/ RBC $251
MNS2-4-IN-HU-RH-L25-NC-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 433 MHz,with 25 foot lead,NIST Certified,Solar w/ RBC,HGA $266
MNS2-8-IN-HU-RH-L25-NC-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 868 MHz,with 25 foot lead,NIST Certified,Solar w/ RBC,HGA $266
MNS2-9-IN-HU-RH-L25-NC-SOL-PA ALTA INDUSTRIAL WIRELESS HUMIDITY SENSOR, 900 MHz,with 25 foot lead,NIST Certified,Solar w/ RBC,HGA $266
∗ 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
  • 3V Industrial Battery (Pre-Installed)
  • SMA Antenna
  • 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)
  • UL Rating: UL Listed to UL508-4x specifications (File E194432)
  • Supply Voltage: 2.0 - 3.8 VDC
  • Battery Type: Replaceable 3.6V, 1800mAH (single AA sized)
  • Battery Life: Up to 10 Year Battery Life.**
  • Max Operating Temperature: -40° to 85°C (-40° to 185°F)
  • Optimal Battery Operating Temperature: +10°C to +50°C (+50°F to +122°F)
  • Solar Power Option:
    • - 3.0 VDC Solar Panel
    • - 600 mAH Rechargeable Battery (>2000 Charge Cycles - 80% of Initial Capacity)
    • - Charging Temperature Range: 0° to 45°C (32° to 113°F)
    • - Max Temperature Range: -20° to 60°C (-4° to 140°F)
  • Enclosure Material: IP65, NEMA 4X, CE rated, sealed, weatherproof enclosure
  • Dimension: 3.7 in x 2.32 in x 1.38 in
  • Scientific grade senso

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