Extech Instruments 421502 Instruction Manual

1 421502es Ver. 1.7 6/00
INSTRUCTION MANUAL
Model 421502
Dual Input Type J/K Digital Thermometer
• Dual input T1 / T2 / T1 – T2 displays
• Maximum temperature record mode
• Selectable units
• Data Hold
1. INTRODUCTION
Congratulations on your purchase of Extech’s Digital Thermometer. This professional meter,
with proper care, will provide years of safe reliable service.

Extech Instruments 421502 Specifications

General

Type	Infrared Thermometer
Temperature Range	-58 to 1022°F (-50 to 550°C)
Resolution	0.1°F/°C
Response Time	500 ms
Power Supply	9V battery
Battery	9V
Waterproof	No
Emissivity	Adjustable 0.1 to 1.0
Display	LCD