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MNS2-9-W1-MA-020


Monnit's ALTA wireless 0-20mA current meters are capable of measuring the current off another device or sensor, up to 20mA (DC), by connecting the leads of the sensor to the positive and ground terminals of the device being measured. Examples of interfacing devices include, but are not limited to: Current transducers (CTs) with outputs up to 20 mA, pH sensor, dissolved oxygen sensor, pressure sensor, magnetic flow meters, velocity or acceleration sensors, industrial vibration sensors, industrial accelerometers, any kind of sensor that specifies the output is in (mA) within the range of 0 - 20.

MNS2-9-W1-MA-020 - ALTA WIRELESS 0-20 MA CURRENT METER, 900 MHz, COIN CELL POWERED
Part No. Description Price Stock
MNS2-9-W1-MA-020 ALTA WIRELESS 0-20 MA CURRENT METER, 900 MHz, COIN CELL POWERED $77
∗ 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.

WARNING: Use caution when interfacing to the Monnit 0-20mA Current meter. Negative voltages, AC Voltages , DC Voltage exceeding 3.6V CAN DAMAGE the electronics of the wireless sensor. Monnit is not responsible for troubleshooting, replacing or reimbursing damages incurred by disregarding this warning.

Packing List


  • Wireless Sensor
  • CR2032 - Coin Cell Battery
  • Mounting Hardware

Features


  • 900/868 MHz Operating Frequency
  • Resolution: ~ 0.01 mA (11-bit single ended)
  • Accuracy: Uncalibrated: 0.7mA, 0.35mA typical
  • Caibrated: 0.05mA
  • Conversion Time: 228 us
  • Interfaces with sensors between 0-20 mA.
  • Weight: 0.7 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. **
  • Enclosure Technology: Monnit PinchPower™ Wireless Sensor Enclosures
  • Enclosure Material: ABS

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