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ALTA Wireless Accelerometer - Vibration Meter (AA)


Monnit Vibration Meters use an accelerometer to measure g-force on 3 axes and then determines speed and frequency from this measurement. The sensor measures vibration once every Measurement Interval, which can be set as low as 1 minute and as high the Heartbeat Interval. The sensor is designed to measure continuous vibration and be low powered so it captures vibration for less than a second during its Measurement Interval. The sensor uses a Sensitivity Threshold to filter noise or low level vibrations. If this threshold is set to 0 then any vibration captured during the Measurement Interval will contribute to the duty cycle and will be analyzed, even very low level vibrations. The Vibration Meter will also report the duty cycle, or how long the sensor was measuring vibrations throughout the heartbeat.

ALTA Wireless Accelerometer - Vibration Meter (AA) - ALTA WIRELESS ACCELEROMETER - VIBRATION METER, 900 MHz, AA BATTERY POWERED
Part No. Description Price Stock
MNS2-8-W2-AC-VM ALTA WIRELESS ACCELEROMETER - VIBRATION METER, 868 MHz, AA BATTERY POWERED $121
MNS2-9-W2-AC-VM ALTA WIRELESS ACCELEROMETER - VIBRATION METER, 900 MHz, AA BATTERY POWERED $121
MNS2-91-W2-AC-VM ALTA WIRELESS ACCELEROMETER - VIBRATION METER, 920 MHz Korea, AA BATTERY POWERED $121
MNS2-8-W2-AC-VM-SW ALTA WIRELESS ACCELEROMETER - VIBRATION METER, 868 MHz, Standard AA w/Power Switch $131
MNS2-9-W2-AC-VM-SW ALTA WIRELESS ACCELEROMETER - VIBRATION METER, 900 MHz, Standard AA w/Power Switch $131
MNS2-4-W2-AC-VM ALTA WIRELESS ACCELEROMETER - VIBRATION METER, 433 MHz, AA BATTERY POWERED $132
MNS2-4-W2-AC-VM-SW ALTA WIRELESS ACCELEROMETER - VIBRATION METER, 433 MHz, Standard AA w/Power Switch $142
MNS2-8-W2-AC-VM-LP ALTA WIRELESS ACCELEROMETER - VIBRATION METER, 868 MHz, Line Power w/Batt Backup & Switch $167
MNS2-9-W2-AC-VM-LP ALTA WIRELESS ACCELEROMETER - VIBRATION METER, 900 MHz, Line Power w/Batt Backup & Switch $167
MNS2-4-W2-AC-VM-LP ALTA WIRELESS ACCELEROMETER - VIBRATION METER, 433 MHz, Line Power w/Batt Backup & Switch $178
∗ 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.

The standard version of this sensor is powered by two replaceable 1.5 V AA sized batteries (included with purchase). This sensor is also available with a line power option. The line powered version of this sensor has a barrel power connector allowing it to be powered by a standard 3.0 - 3.8 V power supply (Included with Line Power option upgrade). The line powered version also uses two standard 1.5 V AA batteries as backup for uninterrupted operation in the event of line power outage.

Power options must be selected at time of purchase, as the internal hardware of the sensor must be changed to support the selected power requirements.

Packing List


  • Wireless Sensor
  • Mounting Hardware
  • 2 x AA Batteries

Features


  • 900/868/433 MHz Operating Frequency
  • Speed Measurement Range: 0 to 25.5 mm/s
  • Speed Measurement Resolution: 0.1 mm/s
  • Frequency Measurement Range: 0 to 256 Hz
  • Frequency Measurement Resolution: 1.5625 Hz rounded down to nearest 1 Hz
  • Vibration Intensity Threshold Range: 0 to 1.701 g
  • Vibration Intensity Threshold Resolution: 0.063 g
  • Weight: 3.7 oz.
  • Security: Encrypt-RF® (256-bit key exchange and AES-128 CTR)
  • Battery Type: 2 Replaceable AA 1.5 V Batteries
  • Dimension: 4.375 in x 2.470 in x 1.12 in
  • Supply Voltage: 2.0 - 3.8 V (2 x AA 1.5V Batteries or Optional Power Supply)
  • Battery Life: At 1 hour heartbeat setting, included AA batteries will typically last 6-8 Years. **
  • Max Operating Temperature Using AA Alkaline: -18°C to 55°C (0°F to 130°F)
  • Max Operating Temperature Using AA Lithium: -40°C to 60°C (-40°F to 140°F)
  • Optimal Battery Operating Temperature: +10°C to +50°C (+50°F to +122°F)
  • Enclosure Material: ABS
  • Reports data as speed (mm/s) and frequency (Hz) on all three axes, and how long the sensor was measuring during the interval.
  • Adjustable measurement methods: Peak acceleration RMS, peak velocity RMS, and true RMS.
  • Free iMonnit basic online wireless sensor monitoring and notification system to configure sensors, view data and set alerts via SMS text and email.

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