Advertisement
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.
INSTRUCTION MANUAL
Model 421502
1
421502es
Ver. 1.7
6/00
Advertisement
Table of Contents
Related Manuals for Extech Instruments 421502
Summary of Contents for Extech Instruments 421502
- Page 1 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.
-
Page 2: Specifications
2. SPECIFICATIONS Display 5 digit LCD multifunction display Battery Power Supply NEDA 1604, IEC 6F22, or 006P 9VDC battery. Auto Power off Meter shuts down after approx. 30 mins. of inactivity Battery life 100 hours typical with carbon zinc battery Dimensions / Weight 7.5 x 3.6 x 2.1”... -
Page 3: Front Panel Description
3. FRONT PANEL DESCRIPTION FIGURE 1 Note: The 12 keys on the meter keypad double as numeric keys (0-9), minus key, and ENTER key. The Display icons and key functions are explained in the meter operation instructions below. 4. OPERATION 4.1 Ensure that a fresh battery is installed by powering the meter (press the Power key) and observing the LCD display. - Page 4 4.4 Data Hold Mode: During measurements, pressing the "Hold" key "freezes" the MAIN DISPLAY temperature value and the "HOLD" indicator will appear on the LCD. Press "Hold" again to return to normal operation. In MIN/MAX Mode, pressing the "Hold" key cancels the data recording session (pressing "Hold"...
- Page 5 4.9 Real-Time/Elapsed Timer Clock The Timer (third display on bottom right of LCD) displays Clock or Elapsed Time and is a convenient way to see when Min and Max temperatures occurred. Each time new Min or Max temperature values are stored, the timer/clock value for the that Max or Min temperature is also stored for later recall.
-
Page 6: Battery Replacement
7. WARRANTY EXTECH INSTRUMENTS CORPORATION warrants this instrument to be free of defects in parts and workmanship for one year from date of shipment (a six month limited warranty applies on sensors and cables).
Need help?
Do you have a question about the 421502 and is the answer not in the manual?
Questions and answers