Wireless Temperature Sensors Datasheet by Monnit Corporation

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Wireless Temperature Sensors
General Description
The ALTA Wireless Temperature Sensor uses a type
NTC thermistor to measure temperature.
Accurate to ± 1° C (± 1.8° F)
Increased accuracy by user calibration
to ± 0.25° C (± 0.45° F)
Principle of Operation
The ALTA Wireless Temperature Sensor measures the
ambient thermal conditions of your environment. These
sensors accurately monitor temperature changes in
your physical location. Settings including notifications,
alerts, reports, and maps are customizable in the online
interface of iMonnit. The temperature sensor is built to
be out of the box and running in minutes.
Industry leading 25 month NIST certified product
included on leaded temperature sensors.
The ALTA Temperature Sensor is not meant
for wet, damp, high humidity environments.
This sensor should only be operated in dry, low
humidity environments. Should you need a temperature
sensor that operates at extreme temperatures and can
withstand getting wet or condensed on, please consider
our Thermocouple Sensors.
Example Applications
Ambient temperature monitoring
Environmental monitoring
Smart machines & smart structures
HVAC operation & testing
Data center monitoring
Many additional applications
The Leading Enterprise Internet of Things Solution
PAGE 1
by
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
Wireless Range Comparison
Monnit ALTA
Monnit
Other Wireless Platforms
Wifi
Bluetooth
Wireless Range Comparison
*Actual range may vary depending on environment.
** Battery life is determined by sensor reporting
frequency and other variables. Other power options
are also available.
F© I*I 292:3!
1.125 in
(28.575 mm)
2.0 in
(50.8 mm)
0.875 in
(22.225 mm)
Pinch and Pull
To Change Battery
CR2032 BATTERY
ALTA Commercial Coin Cell Wireless Temperature Sensor | Technical Specifications
Supply voltage 2.0–3.8 VDC *
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)
Operating temperature range (board circuitry and coin cell) -7°C to +60°C (20°F to +140°F) **
Optimal battery temperature range (coin cell) +10°C to +50°C (+50°F to +122°F)
External Probe and Lead Operating Range -40°C to +125°C ( -40°F to +257°F )
Accuracy @ 25°C +/- 1% (1° C or 1.8° F)
User-calibrated accuracy +/- 0.25° C (± 0.45° F)
Time constant @ 25°C 30 sec
Integrated memory Up to 512 sensor messages
Wireless range 1,200+ ft non-line-of-sight
Security Encrypt-RF® (256-bit key exchange and AES-128 CTR)
Weight 0.7 ounces
Certifications 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.
PinchPower™ Enclosures
Pull
(sensor away from base)
Pinch
(press in on the sides)
Press
(sensor back into base)
CR2032 BATTERY
+
_
CR2032 BATTERY
PAGE 2
Industry
Canada
** The ALTA Temperature sensor is not meant for wet, damp, high humidity environments.
F© I¢I $2332
ALTA Commercial AA Wireless Temperature Sensor | Technical Specifications
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)
Operating temperature range (board circuitry and batteries) -18°C to 55°C (0°F to 130°F) using alkaline
-40°C to 85°C (-40°F to 185°F) using lithium **
Optimal battery temperature range (AA) +10°C to +50°C (+50°F to +122°F)
External Probe and Lead Operating Range --40°C to +125°C ( -40°F to +257°F )
Accuracy @ 25°C +/- 1% (1° C or 1.8° F)
User-calibrated accuracy +/- 0.25° C (± 0.45° F)
Time constant @ 25°C 15 sec max
Integrated memory Up to 512 sensor messages
Wireless range 1,200+ ft non-line-of-sight
Security Encrypt-RF® (256-bit key exchange and AES-128 CTR)
Weight 3.7 ounces
Certifications 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.
1.111
2.470
2.470
1.111
4.375
3.295
Power Options
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 3.0–3.6 V power supply. 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.
PAGE 3
Industry
Canada
** The ALTA Temperature sensor is not meant for wet, damp, high humidity environments.
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ALTA Industrial Wireless Temperature Sensor | Technical Specifications
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)
Operating temperature range (board circuitry and battery) -40°C to +85°C (-40°F to +185°F)
Included battery Max temperature range -40° to +85°C (-40° to +185°F)
Capacity 1500 mAh
Optional solar feature Solar panel 5VDC/30mA (53mm x 30mm)
Charging temperature range 0° to 45°C (32° to 113°F)
Max temperature range -20° to 60°C (-4° to 140°F)
Included rechargeable battery 600 mAh/>2000 charge cycles (80% of initial capacity)
Solar efficiency Optimized for high and low-light operation **
Charging efficiency 40% ***
Luminous sustainability Minimum of 250 LUX ***
External Probe and Lead Operating Range -40°C to +125°C (-40°F to +257°F)
(Limited to main-unit circuitry, -40°C to +85°C)
Accuracy @ 25°C +/- 1% (1° C or 1.8° F)
User-calibrated accuracy +/- 0.25° C (± 0.45° F)
Time constant @ 25°C 30 sec
Integrated memory Up to 512 sensor messages
Wireless range 1,200+ ft non-line-of-sight
Security Encrypt-RF® (256-bit key exchange and AES-128 CTR)
Weight 4.7 ounces
Enclosure rating NEMA 1, 2, 4, 4x, 12 and 13 rated, sealed and weather proof
UL rating UL Listed to UL508-4x specifications (File E194432)
Certifications 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.
*** Solar feature’s energy harvesting circuitry works indoors with low light.
3.701 in
(94.0 mm)
Height:
1.378 in
(35.0 mm)
2.316 in
(58.84 mm)
Industrial
Wireless
Sensor
PAGE 4
Industry
Canada
**** The ALTA Temperature sensor is not meant for wet, damp, high humidity environments.
MONNI1Z
ADS-001 (04/19)
Monnit, iMonnit, ALTA, PinchPower, Encrypt-RF and all other trademarks are property of Monnit, Corp.
© 2019 Monnit Corp. All Rights Reserved.
Monnit Corporation
3400 South West Temple
Salt Lake City, UT 84115
801-561-5555
www.monnit.com
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).
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.

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