The ALTA Wireless Advanced Vibration Meter uses an accelerometer to measure vibration and frequency on 3 axes. The sensor reports vibration (acceleration, velocity, displacement, or acceleration peak), frequency (Hz/RPM), and crest factor on all three axes. It also reports duty cycle (how much of the report interval that vibration was present), and temperature.
|Frequency Measurement Range (Based on Configured Sample Rate)|
|Sample Rate||Min Freq (Hz)||Max Freq (Hz)||Min Freq (Hz)||Max Freq (Hz)||Min Freq (Hz)||Max Freq (Hz)|
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.
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.
Monnit ALTA Industrial Sensors come in an IP65, NEMA 4X, CE rated, sealed, and weatherproof enclosure. They are powered by a single, replaceable, Industrial grade 3.6 V battery (included).
An optional solar powered version is also available. The solar powered version includes a Lithium Iron Phosphate rechargeable battery in conjunction with a solar power cell to keep the battery charged and at optimal capacity. If there is no light present at the solar cell, the battery alone could continue to power the sensor for up to 8-10 years.
|Supply Voltage||2.0–3.8 VDC (3.0–3.8 VDC using power supply) *|
|Current Consumption||0.2 µA (sleep mode), 0.7 µA (RTC sleep), 570 µA (MCU idle), 2.5 mA (MCU active), 5.5 mA (radio RX mode), 22.6 mA (radio TX mode)|
|Vibration Intensity Threshold Range||Acc RMS / Acc Peak: 0 to 65.535 mm/s^2, Velocity RMS: 0 to 655 35 mm/s, Displacement: 0 to 655.35 mm **|
|Vibration Intensity Threshold Resolution||0.001 mm/s^2, 0.01 mm/s, .01 mm|
|Frequency Measurement Range||See Frequency Measurement Range table in product description|
|Frequency Measurement Resolution||0.1 Hz|
|Sensitivity Range||Software Configurable (0 to 2.56 g / .01 g)|
|Thermistor Operating Range||-40°C to +125°C ( -40°F to +257°F ) / 0.1 C (0.1 F)|
|Rated Input Frequency||Software Configurable (See Frequency Measurement Range table in product information for available Sample Rates)|
|Window||Software Configurable (Rectangular, Hanning, Flat Top)***|
|Security||Encrypt-RF® (256-bit key exchange and AES-128 CTR)|
ALTA Industrial Specifications
|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|
|UL Rating||UL Listed to UL508-4x specifications (File E194432)|
|Dimension||3.7 in x 2.32 in x 1.38 in|
ALTA 900 MHz Specifications
|Operating Frequency||900 MHz Operating Frequency|
|Certifications||Complies with Part 15 of the FCC Rules. (FCC ID: ZTL-G2SC1)
Complies with Industry Canada standards. (IC: 9794A-G2SC1)
|Device Range||Device Range Up to 1,200 ft. non-line-of-sight, wireless device range*|
|Security||Encrypt-RF® (Diffie-Hellman Key Exchange + AES-128 CBC)|