ALTA Commercial Coin Cell Thermocouple Humidity 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 coin cell) |
-7°C to +60°C (20°F to +140°F) ** |
Optimal battery temperature range (coin cell) |
+10°C to +45°C (+50°F to +113°F) |
Accuracy |
± 2% under normal conditions (0%-80% RH) ** |
Thermocouple connection options |
6 ft hardwired probe/5 ft K-type connector |
Hardwired thermocouple probe accuracy above 0°C |
± 2.2°C or 0.75% (whichever is greater) |
Hardwired thermocouple probe accuracy below 0°C |
±2.2°C or 0.75% (whichever is greater) |
Datalogging |
Up to 3200 sensor messages |
Wireless Range |
1,200+ ft non-line-of-sight |
Security |
Encrypt-RF ® (256-bit key exchange and AES-128 CTR) |
Weight |
1.7 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.
** At temperatures above 100°C, it is possible for the board circuitry to lose programmed memory.
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