Extech Instruments 421502 User Manual
  1. Manuals
  2. Brands
  3. Extech Instruments Manuals
  4. Thermometer
  5. 421502
  6. User manual
Extech Instruments 421502 User Manual

Extech Instruments 421502 User Manual

Dual input type j/k digital thermometer
Hide thumbs Also See for 421502:
Table of Contents

Advertisement

Available languages

Available languages

Quick Links

Download this 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
INTRODUCTION
Congratulations on your purchase of Extech's Digital Thermometer. This professional meter,
with proper care, will provide years of safe reliable service.
www.valuetronics.com
User's Guide

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 421502 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Extech Instruments 421502

Summary of Contents for Extech Instruments 421502

  • Page 1 User’s Guide Model 421502 Dual Input Type J/K Digital Thermometer • Dual input T1 / T2 / T1 – T2 displays • Maximum temperature record mode • Selectable units • Data Hold 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

    Ambient Operating Range 32 to 122 o F (0 to 50 o C); less than 80% RH Storage Temperature -4 to 140 o F (-20 to 60 o C); less than 70% RH Alarm 95dB 421502 Ver. 1.9 12/05 www.valuetronics.com...

  • Page 3: Front Panel Description

    Display (largest LCD digits). Choose "T1 or T2" to show either thermocouple input 1 or 2 respectively. Select "T1 - T2" to display the difference between the two thermocouple input temperatures. In T1 - T2 mode, a reading of zero indicates that both thermocouples are reading the same temperature. 421502 Ver. 1.9 12/05 www.valuetronics.com...
  • Page 4 Press the REL key again to exit the REL Mode. To display the difference between the actual temperature and a manually entered Relative value, press the REL key and then the SET key (see SET mode below). 421502 Ver. 1.9 12/05...
  • Page 5 LCD). When the actual temperature meets or exceeds the user programmed temperature limits a continuous alert tone will be heard. To disarm or silence a tripped Alarm press the HI/LO Limit key again (the audio display icon will disappear). 421502 Ver. 1.9 12/05...

  • Page 6: Battery Replacement

    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 to sensors and cables). If it should become necessary to return the instrument for service during or beyond the warranty period, contact the Customer Service Department at (781) 890-7440 ext.
  • Page 7 Manual del operador Modelo 421502 Termómetro Digital Tipo J/K Entrada Doble • Pantallas de entrada doble T1 / T2 / T1 – T2 • Modo de grabación de temperatura máxima • Unidades y resolución seleccionables • Pantalla LCD retro-iluminada con retención de datos...

  • Page 8: Especificaciones

    Escala de ambiente de operación 0 a 50 o C (32 a 122 o F); menos de 80% RH Temperatura de almacenamiento -20 a 60 o C (-4 a 140 o F); menos de 70% RH 421502 Ver. 1.9 12/05 www.valuetronics.com...

  • Page 9: Descripción Del Panel Frontal

    "T1 ó T2" para mostrar ya sea la entrada del termopar 1 ó 2 respectivamente. Seleccione "T1 - T2" para mostrar una diferencia entre las dos temperaturas de entrada del termopar. En modo T1 - T2, una lectura de cero indica que los dos termopares están leyendo la misma temperatura. 421502 Ver. 1.9 12/05 www.valuetronics.com...
  • Page 10 MIN/SEC). Para usar el reloj como un cronómetro de tiempo transcurrido, primero restablezca el reloj a cero en Modo Set (vea la siguiente sección). El cronómetro empezará a contar tan pronto como esté en modo SET. 421502 Ver. 1.9 12/05...
  • Page 11 Para desactivar o silenciar una alarma disparada, oprima de nuevo la tecla HI/LO Limit (el icono de sonido desaparecerá). 421502 Ver. 1.9 12/05...

  • Page 12: Reemplazo De La Batería

    Extech recomienda realizar anualmente la calibración. GARANTÍA EXTECH INSTRUMENTS CORPORATION garantiza este instrumento libre de defectos en partes o mano de obra durante un año a partir de la fecha de embarque (se aplica una garantía limitada a seis meses para los cables y sensores).

Table of Contents