TP-220B Specifications and Details

Temperature

Specification	Base Station	Remote Sensor
Temperature Range	-4.0°F to 140.0°F (-20.0°C to 60.0°C)	-4.0°F to 140.0°F (-20.0°C to 60.0°C)
Temperature Tolerance	±0.9°F (±0.5°C) from 32°F to 140°F (0°C to 60°C)	±0.9°F (±0.5°C) from 32°F to 140°F (0°C to 60°C)
Temperature Tolerance (Otherwise)	±1.8°F (±1.0°C)	±1.8°F (±1.0°C)

Humidity

Specification	Base Station	Remote Sensor
Humidity Range	10%–99% RH	10%–99% RH
Humidity Tolerance	±2% from 20%–80%; otherwise ±3%	±2% from 20%–80%; otherwise ±3%

General Specifications

Specification	Details
Refresh Rate	Base Station: 30 seconds Remote Sensor: Less than 60 seconds
Sensor Type	Digital Temperature Sensor + NTC Humidity Sensor
Wireless Transmission Range*	Up to 500 ft (150 m)
Wireless Technology	ASK, 915 MHz (USA/Canada); 868 MHz (Europe)
Display	LCD
Backlight	Yes

Dimensions

Component	Dimensions
Base Station	3.32 × 2.68 × 1.18 in (85 × 68 × 30 mm)
Remote Sensor	2.95 × 1.00 × 0.98 in (75 × 25 × 25 mm)

Power

Component	Power Supply
Base Station	3.0V (2 × AA batteries)
Remote Sensor	3.0V (2 × AAA batteries)

* Transmission Range: The stated transmission range is based on tests conducted at an ambient temperature of 77°F (25°C), without obstructions or electromagnetic interference. Actual transmission range may vary depending on the number of obstructions and the level of electromagnetic interference in your environment.