Monnit wireless high temperature sensor use an RTD to accurately measure temperatures from -50°C to +370°C. Perfect for high temperature critical applications such as ovens, heaters, furnaces and boilers. User customization allows you to set the frequency of sensor readings and create notifications from the system when certain criteria have been met or exceeded.
The High 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.
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.
* Actual range may vary depending on environment.
** Battery life is determined by sensor reporting frequency and other variables.
High Temp - RTD / Thermistor Specifications |
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| Lead Wire Length | 3 ft. (36 in.) |
| RTD Temperature Range | -50°C to +370°C (-58°F to +700°F) |
| RTD Accuracy at 0°C | +/- 3.3°C Standard (+/- 0.5°C Calibrated **) |
| Thermal Time Constant | 15 sec. max. |
| Weight | 3.7 oz. |
Variation Specifications |
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| Security | Encrypt-RF® (256-bit key exchange and AES-128 CTR) |
ALTA Industrial Specifications |
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| 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 433 MHz Specifications |
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| Operating Frequency | 433 MHz Operating Frequency |
| Certifications | 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. |
| 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) |
