by
The Leading Enterprise Internet of Things Solution
Wireless 500 VAC/VDC Voltage Meters
General Description
The Wireless 500 VAC/VDC Voltage Meter is an analog
measuring device that reports the measured voltage on
user specified intervals. The sensor has three operating
modes, in which you can obtain the voltage measurement
in VACrms (root mean squared), the peak voltage, or
the DC voltage. The modes can be set by the user; the
default mode measures VACrms.
• Wireless interface for measuring voltage
• Measures voltage up to 500 VAC/VDC
Free iMonnit basic online wireless
sensor monitoring and notification
system to configure sensors, view data
and set alerts via SMS text and email
Principle of Operation
By connecting the leads on the Monnit Wireless 500 VAC/
VDC Voltage Meter to the positive and ground terminals
of another device, battery or sensor, it can measure
the voltage and send data to the iMonnit Online Sensor
Monitoring and Notification System. The data is stored
in the online system and can be reviewed and exported
as a data sheet or graph. Notifications can be set up
through the online system to alert the user when certain
thresholds have been met or exceeded.
Example Applications
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•
•
•
•
Power Lines
Machinery
Electrical Motors
Generators
Many additional applications
Other Wireless Platforms
Features of Monnit ALTA Sensors
•
•
•
•
•
•
Wireless range of 1,200+ feet through 12+ walls *
Frequency-Hopping Spread Spectrum (FHSS)
Improved interference immunity
Improved power management for longer battery life **
(12+ years on AA batteries)
Encrypt-RF® Security (Diffie-Hellman Key Exchange
+ AES-128 CBC for sensor data messages)
Onboard data memory stores up to 512 readings
per sensor:
- 10-minute heartbeats = 3.5 days
- 2-hour heartbeats = 42 days
Over-the-air updates (future proof)
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. Other power options
are also available.
Wireless Range Comparison
Wireless Range Comparison
Monnit ALTA
Monnit
Wifi
Bluetooth
PAGE 1
1.125 in
(28.575 mm)
Pinch and Pull
To Change Battery
2.0 in
(50.8 mm)
CR2032 BATTERY
0.875 in
(22.225 mm)
Wireless 500 VAC/VDC Voltage Meter (Coin Cell) | Technical Specifications
Supply voltage
Current consumption
2.0–3.6 VDC *
0.7 µA (sleep mode)
2 mA (radio idle/off mode)
2 mA (measurement mode)
25 mA (radio RX mode)
35 mA (radio TX mode)
-7°C to +60°C (20°F to +140°F)
+10°C to +50°C (+50°F to +122°F)
11 bit (single ended)
228 μs
VACrms (root mean squared)
Peak Voltage
DC Voltage
0–500 VAC/VDC **
600 VAC/VDC **
+/- 3% FS (user calibrated: +/- 1% FS)
Up to 512 sensor messages
1,200+ ft non-line-of-sight
Encrypt-RF® (256-bit key exchange and AES-128 CTR)
1.0 oz.
Operating temperature range (board circuitry and coin cell)
Optimal battery temperature range (coin cell)
Sensor resolution
Conversion time
Supported operation modes ***
Full-scale voltage
Maximum input voltage
Accuracy
Integrated memory
Wireless range
Security
Weight
Certifications
Industry
Canada
900 MHz product; FCC ID: ZTL-G2SC1 and IC: 9794A-
G2SC1. 868 and 433 MHz product 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
** If application exceeds 500 VAC/VDC the sensor will return a maxiumum reading of 500 V.
*** Operation mode must be specified at time of purchase.
*
Hardware cannot withstand negative voltage. Please take care when connecting a power device.
PinchPower™ Enclosure
_
CR2032 BATTERY
CR2032 BATTERY
+
(press in on the sides)
Pinch
(sensor away from base)
Pull
(sensor back into base)
Press
PAGE 2
2.470
2.470
4.375
3.295
1.111
1.111
ALTA Wireless 500 VAC/VDC Voltage Meter (AA) | Technical Specifications
Supply voltage
Current consumption
2.0–3.6 VDC (3.0–3.6 VDC using power supply) *
0.7 µA (sleep mode)
2 mA (radio idle/off mode)
2 mA (measurement mode)
25 mA (radio RX mode)
35 mA (radio TX mode)
-18°C to 55°C (0°F to 130°F) using alkaline
-40°C to 85°C (-40°F to 185°F) using lithium **
+10°C to +50°C (+50°F to +122°F)
11 bit (single ended)
228 μs
VACrms (root mean squared), Peak Voltage, DC Voltage
0–500 VAC/VDC ****
600 VAC/VDC ****
+/- 3% FS (user calibrated: +/- 1% FS)
Up to 512 sensor messages
1,200+ ft non-line-of-sight
Encrypt-RF® (256-bit key exchange and AES-128 CTR)
4.0 oz.
Operating temperature range (board circuitry and batteries)
Optimal battery temperature range (AA)
Sensor resolution
Conversion time
Supported operation modes ***
Full-scale voltage
Maximum input voltage
Accuracy
Integrated memory
Wireless range
Security
Weight
Certifications
Industry
Canada
900 MHz product; FCC ID: ZTL-G2SC1 and IC: 9794A-
G2SC1. 868 and 433 MHz product 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
*
Hardware cannot withstand negative voltage. Please take care when connecting a power device.
** If application exceeds 500 VAC/VDC the sensor will return a maxiumum reading of 500 V.
*** Operation mode must be specified at time of purchase.
Power Options
Two replaceable 1.5V AA sized batteries are included with the stanadard model. A line-power version with battery backup
is also available—allowing it to be powered by a standard 3.0–3.6V power supply and use the internal batteries if there is
a power interruption.
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.
PAGE 3
Industrial
Wireless
Sensor
2.316 in
(58.84 mm)
3.701 in
(94.0 mm)
Height:
1.378 in
(35.0 mm)
ALTA Industrial Wireless 500 VAC/VDC Voltage Meter
| Technical Specifications
Supply voltage
Current consumption
2.0–3.8 VDC (3.0–3.8 VDC using power supply) *
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)
-40°C to +85°C (-40°F to +185°F)
-40° to +85°C (-40° to +185°F)
1500 mAh
5VDC/30mA (53mm x 30mm)
0° to 45°C (32° to 113°F)
-20° to 60°C (-4° to 140°F)
600 mAh/>2000 charge cycles (80% of initial capacity)
Optimized for high and low-light operation **
11 bit (single ended)
228 μs
VACrms (root mean squared), Peak Voltage, DC Voltage
0–500 VAC/VDC ****
600 VAC/VDC ****
+/- 3% FS (user calibrated: +/- 1% FS)
Up to 512 sensor messages
1,200+ ft non-line-of-sight
Encrypt-RF® (256-bit key exchange and AES-128 CTR)
4.7 ounces
NEMA 1, 2, 4, 4x, 12 and 13 rated, sealed and weather proof
UL Listed to UL508-4x specifications (File E194432)
Max temperature range
Capacity
Optional solar feature
Solar panel
Charging temperature range
Max temperature range
Included rechargeable battery
Solar efficiency
Sensor resolution
Conversion time
Supported operation modes ****
Full-scale voltage
Maximum input voltage
Accuracy
Integrated memory
Wireless range
Security
Weight
Enclosure rating
UL rating
Certifications
Operating temperature range (board circuitry and battery)
Included battery
Industry
Canada
900 MHz product; FCC ID: ZTL-G2SC1 and IC: 9794A-G2SC1.
868 and 433 MHz product 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
*
**
***
****
Hardware cannot withstand negative voltage. Please take care when connecting a power device.
Light present 25% of day yields 125% of operating power to support 10-minute heartbeats.
Operation mode must be specified at time of purchase.
If application exceeds 500 VAC/VDC the sensor will return a maximum reading of 500 V.
PAGE 4
Proper Installation
If the sensor is not connected to the power source properly, it
will appear that the sensor is broken. Please follow this wiring
diagram to ensure proper performance and detection.
500 V
AC / DC
~
LOAD
Wireless Sensor
VOLT
VOLTAGE
METER
0-500
Commercial Grade Sensors
Monnit commercial grade sensors are designed for applications in ordinary environments (normal room temperature,
humidity and atmospheric pressure). Do not use these sensors under the following conditions as these factors can
deteriorate the product characteristics and cause failures and burnout.
•
Corrosive gas or deoxidizing gas: chlorine gas, hydrogen sulfide gas, ammonia gas, sulfuric acid gas, nitric oxides
gas, etc.
•
Volatile or flammable gas
• Dusty conditions
• Low-pressure or high-pressure environments
• Wet or excessively humid locations
• Places with salt water, oils chemical liquids or organic solvents
• Where there are excessively strong vibrations
•
Other places where similar hazardous conditions exist
Use these products within the specified temperature range. Higher temperature may cause deterioration of the
characteristics or the material quality.
Industrial Grade Sensors | Type 1, 2, 4, 4X, 12 and 13 NEMA Rated Enclosure
Monnit’s Industrial sensors are enclosed in reliable, weatherproof NEMA-rated enclosures. Our NEMA-rated enclosures
are constructed for both indoor or outdoor use and protect the sensor circuitry against the ingress of solid foreign objects
like dust as well as the damaging effects of water (rain, sleet, snow, splashing water, and hose-directed water).
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•
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Safe from falling dirt
Protects against wind-blown dust
Protects against rain, sleet, snow, splashing water, and hose-directed water
Increased level of corrosion resistance
Will remain undamaged by ice formation on the enclosure
For more information about our products or to place an order, please contact
our sales department at 801-561-5555.
Visit us on the web at
www.monnit.com.
Monnit Corporation
3400 South West Temple
Salt Lake City, UT 84115
801-561-5555
www.monnit.com
Monnit, iMonnit, ALTA, PinchPower, Encrypt-RF and all other trademarks are property of Monnit, Corp.
© 2018 Monnit Corp. All Rights Reserved.
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