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ALTA Industrial Wireless Voltage Detection

The ALTA Industrial VoltagThe ALTA Industrial Voltage Detector - 50 VDC detects the presence or absence of electricity.  The sensor triggers on voltage presence to voltage Absence and vice versa. The data is displayed as "Voltage Detected" or "No Voltage".e Detector - 50 VDC detects the presence or absence of electricity.


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Voltage Range
Up to 500 VAC
Power supply
Solar rechargeable battery
Standard (Di-pole SMA)
High Gain Leaded Puck

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Price (tax excl.):5 670 Kč

Price (tax incl.):6 860,70 Kč


The ALTA DC Voltage Detector detects the presence or absence of electricity. It is intended for use on battery or other DC sources, up to 50 Volts. Not intended for use with AC Voltages. It is perfect for batteries, adapters, solar equipment, vehicles or machinery, and any other electrical appliance monitoring. The sensor triggers on voltage presence to voltage Absence and vice versa. The data is displayed as “Voltage Detected” or “No Voltage”.

  • Detects presence or absence of Voltage 
  • Voltage presence detected above ~0.47 Volts
  • Voltage absence detected below ~0.47 Volts 
  • Detects voltages up to 50 Volts 
  • Reverse voltage protection, up to 50 Volts

The ALTA DC Voltage Detector detects the presence or absence of voltage. The sensor triggers on voltage presence to voltage absence and vice versa. The data is displayed as “Voltage Detected” or “No Voltage”. If no change is observed within the heartbeat interval, the state is continuously reported on the heartbeat interval. Transitions and heartbeat data is logged into a cloud service. The user can set the system to send an alert on either state, or on the transition of states.

Example Applications

  • Battery Power 
  • Relays/Switches 
  • Appliances 
  • Adapters 
  • Solar 
  • Power Supplies 
  • Sump Pumps 
  • Many additional applications

* Actual range may vary depending on environment.
** Battery life is determined by sensor reporting frequency and other variables. Other power options are also available.


Manufacturer’s documentation

500 VAC Detect Sensor Data Sheetpdf2020759.66 kB500 VAC Detect Sensor Data Sheet.


Case studypdf1.60 MB

"Manual temperature measurement in halls is obsolete and inefficient," says Třinecké železárny, a.s. only Czech


Voltage Detection Sensor Specifications - Up to 500 VAC

Absolute Maximum Voltage

600 VACrms / 850 VDC

Minimum Voltage Detected

-850 VDC


+/- (1 VACrms + 3% of reading)

Calibrated Accuracy with Appropriate Offset

+/- (.5 VACrms + 1.5% of reading)

Response Time

40 ms

Supported Operation Modes

VACrms (root mean squared) Peak Voltage DC Voltage


.25 VACrms / .35 VDC/Peak Voltage

Lead Wire Length

2 Wires, 1 ft (12 in), Black (Hot), White (Neutral), 18 AWG (Custom lengths available upon request.)


4.7 oz.

Variation Specifications


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)


3.7 in x 2.32 in x 1.38 in

ALTA 868 MHz Specifications

Operating Frequency

868 MHz Operating Frequency


CE Certified. Tested and found to comply with: EN 300 220-2 V3.1.1 (2017-02), EN 300 220-2 V3.1.1 (2017-02) and EN 60950.


Encrypt-RF® (Diffie-Hellman Key Exchange + AES-128 CBC)

Device Range

Device Range Up to 1,200 ft. non-line-of-sight, wireless device range*

Video Monnit

Jak vyměnit baterie v sensorech ALTA Začleňte IoT do vaší malé firmy 
Vytvoření účtu v portálu iMonnit Vytváření událostí v portálu iMonnit 
Jak si zakoupit předplatné portálu iMonnit Exportování CSV souborů 
Nastavení událostí Prodloužení předplatného portálu iMonnit 
Introducing the Monnit ALTA Industrial 4G LTE Cellular GatewayAdding Devices on iMonnit
Creating iMonnit ActionsCreating An iMonnit Account
Editing iMonnit ActionsiMonnit Actions for Open & Closed Sensors
Basic iMonnit Actions for Refrigeration SystemsiMonnit Actions for Water Detection Systems
Advanced iMonnit Actions for Refrigeration SystemsMounting the Advanced Vibration Meter
Aware States within iMonnitiMonnit Heartbeats Explained
iMonnit Main Menu Navigation OverviewReplacing Monnit Sensor Batteries
Introducing the Monnit ALTA Industrial Propane MonitorMonnit ALTA Sensor Settings in iMonnit
Installing a Monnit ALTA Temperature SensorsIntroducing the Monnit ALTA Industrial Vehicle Detection Counter
Installing the Monnit ALTA Open/Closed SensorInstalling the Monnit ALTA Water Puck Sensor
Generating an Access Token within iMonnit

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