Extech Instruments 421504 Instruction Manual
  1. Manuals
  2. Brands
  3. Extech Instruments Manuals
  4. Thermometer
  5. 421504
  6. Instruction manual
Extech Instruments 421504 Instruction Manual

Extech Instruments 421504 Instruction Manual

Dual input rtd thermometer
Hide thumbs
1
2
3
4
5
6

Advertisement

Table of Contents

Dual Input RTD Thermometer
•
Measures two temperatures
simultaneously
•
Dual RTD probe inputs
•
Clock and Elapsed Timer functions
•
Special functions include Data Hold,
MIN/MAX/AVG, audible HI/LO
Alarms, Auto Power Off, Relative
Mode and probe selection key
1. INTRODUCTION
Congratulations on your purchase of Extech's RTD Thermometer. This professional meter,
with proper care, will provide years of safe reliable service.
INSTRUCTION MANUAL
Model 421504
1
421504
Ver. 1.8 01/03

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 421504 and is the answer not in the manual?

Questions and answers

Related Manuals for Extech Instruments 421504

Summary of Contents for Extech Instruments 421504

  • Page 1 INSTRUCTION MANUAL Model 421504 Dual Input RTD Thermometer • Measures two temperatures simultaneously • Dual RTD probe inputs • Clock and Elapsed Timer functions • Special functions include Data Hold, MIN/MAX/AVG, audible HI/LO Alarms, Auto Power Off, Relative Mode and probe selection key 1.

  • Page 2: Specifications

    Accepts standard 3-terminal RTD sub-miniature connectors (flat blade, 7.9mm spacing) Ambient Operating Range 32 to 122 F (0 to 50 C); less than 80% RH Storage Temperature -4 to 140 F (-20 to 60 C); less than 70% RH 421504 Ver. 1.8 01/03...

  • Page 3: Front Panel Description

    Temperature Sensor inputs LCD Display Keypad 4. PREPERATION FOR MEASUREMENT 4.1 International Symbols DC Voltage or Refer to explanation in Current owner’s manual AC Voltage or Dangerous voltage risk Current of electrical shock Ground Double insulation 421504 Ver. 1.8 01/03...

  • Page 4: Operation

    (the MIN and MAX functions continue without interruption indefinitely). If an overload is recorded, the Avg function is halted and the Avg. display shows "-------". 421504 Ver. 1.8 01/03...
  • Page 5 Alarm Limit value (low temperature at which the meter audibly alerts the user). Press the ENTER key once to return to normal operation and the alarms will be armed giving an audible alert when a limit is reached. 421504 Ver. 1.8 01/03...

  • Page 6: Maintenance

    8. 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).

Table of Contents