Wireless Sensor low temperature use an RTD to accurately measure temperatures from -200°C to +162°C. Perfect for applications such as freezers and coolers.
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ALTA wireless low temperature sensors use an RTD to accurately measure temperatures from -200°C to +162°C. Perfect for low temperature critical applications such as freezers and coolers. 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.
| ALTA Commercial AA Wireless Low Temperature Sensor | |
|---|---|
| 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) |
| RTD temperature range (RTD and cable only) | -200°C to +162°C (-328°F to +325°F) |
| Accuracy @ 0°C | +/- 3.3°C Standard (+/- 0.5°C Calibrated) ** |
| Dissipation constant | 2mW/°C |
| Thermal time constant | 15 sec max |
| Datalogging | Datalogs 2000 to 4000 readings if gateway connection is lost(non-volatile flash, persists through the power cycle): – 10-minute heartbeats = ~ 22 days – 2-hour heartbeats = ~ 266 days |
| Wireless range | 1,200+ ft non-line-of-sight |
| Security | Encrypt-RF® (256-bit key exchange and AES-128 CTR) |
| Weight | 105 g |
| 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 |
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