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.
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