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Temperature Measurement Range
Integral Thermistor Sensor -30°C to +70°C/-22°F to +158°F
External Sensor -40°C to +125°C/-40°F to +257°F
Scales °C and °F

System Accuracy with Standard Thermistor Sensors
Temperature Integral Thermistor
0°C to +70°C ±0.5°C/±0.9°F
Temperature External Thermistor
-20°C to +70°C ±0.5°C/±0.9°F
Temperature Thermistor Full Range ±1°C/±1.8°F

Resolution Temperature 0.1°C/0.2°F
Door Sensor 7.5 seconds

Storage Temperature -40°C to +85°C
RF Frequency 2.4GHz using IEEE 802.15.4
Standard Antenna External, removable, Omni directional with pivot. Length: 90mm from pivot
High-Gain Antenna (Optional) Length: 235mm from pivot

Radio Range *Typically 50 metres indoors
Clock Accuracy 20ppm (1 minute/month) at 25°C
Logging Memory 32000 records
Logging Frequency Programmable between 1 minute and 60 minutes
Monitoring Frequency 1 Minute

LEDs Red - Warning / Green - Active
Case Material Over Moulded food safe clear Polycarbonate with BioCote® antimicrobial
Environmental Protection Case enclosure designed to meet IP67 BS EN 60529

Battery Type Replaceable Lithium 'C' Cell Saft LSH14 Light
Battery Life Up to 3 years
Dimensions L 134mm x W 83mm x D 34mm

Weight 270g
Mains PSU Optional Mains PSU Part No RF520

*Internal RF range cannot be guaranteed as it varies from building to building