Extech 433201A Manual de Usario

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User's Guide
Microprocessor Calibrator/Thermometer
Models 433201A and 433202A
433201A-EN v1.6 07/13
2
Introduction
Congratulations on your purchase of the Extech 433201A (115V) or 433202A (220V)
Microprocessor Thermocouple Calibrator/Thermometer.
In the ‘Measurement’ mode, a millivolt (mV) signal is accepted from a thermocouple and is
displayed on the 4-digit LCD display. A built-in temperature offset feature can be used to
compensate for variations found in standard thermo he offset, measurement couples. By adjusting t
accuracy for a particular thermocouple can be optimized for a particular temperature.
In the ‘Source’ mode, a millivolt signal is output to an external device with the corresponding
temperature (according to standard temperature tables) displayed on the LCD display. Preset
temperature settings (source mode only) according to thermocouple type are stored in five memory
locations for easy recall.
If desired, the meter can be switched to the mV mode where Measurement and Source values
can be displayed in millivolts rather than temperature.
Careful use of this device will provide years of reliable service.
433201A-EN v1.6 07/13
3
Description
1. LCD display – Temperature values can be displayed in
oC/oF or in millivolts. The adjustable
display can be easily moved to the best viewing angle.
2. POWER/MODE button – Press to power meter on/off and to select the desired mode of
operation. With the meter powered on, momentarily press the POWER/MODE button (<2
sec) to toggle between MEASURE and SOURCE mode. In MEASURE mode the meter
displays the temperature or mV value for an attached thermocouple or thermocouple
simulator. In the SOURCE mode, the meter outputs a mV signal.
To power off, press and hold the POWER/MODE button for more than 2 seconds.
3. FINE/COARSE output adjustment buttons – Use the ▼ ▲/ buttons to set the desired
temperature. Press and hold for COARSE adjustment; momentarily press for FINE
adjustment.
4. oC/oF button – Press to select the desired unit of measure
5. TYPE button – Press to select a thermocouple type
6. MEM – In SOURCE MODE, the Memory button provides access to five memory locations
with preset output values depending on which thermocouple type is being used.
Memory
Location
Type
J, K, C, R, S, N
Type T Type E mV
M1 32.0oF
(0.0o
C)
32.0oF
(0.0oC)
32.0oF
(0.0oC)
0mV
M2 212.0o
F
(100.0oC)
212.0o
F
(100.0oC)
212.0o
F
(100.0oC)
10.00mV
M3 932.0
oF
(500.0oC)
392.0oF
(200.0oC)
482.0oF
(250.0oC)
25.00mV
M4 1382.0 o
F
(750.0oC)
572.0oF
(300.0oC),
932.0oF
(500.0oC)
40.00mV
M5 1832.0 o
F
(1000.0oC)
752.0oF
(400.0oC)
1382.0 o
F
(750.0oC)
50.00mV
7. Output/Input mini connector – Thermocouples, thermocouple wire, and calibration cables are
connected here.
8. AC adaptor/recharger jack
9. Battery compartment – Houses the supplied 9V Nickel Metal Hydride rechargeable battery.
An alkaline battery can also be used.
10. Neck Strap Posts- Attach the neck-strap to the two posts on the front corners of the meter.

Especificaciones del producto

Marca: Extech
Categoría: Equipo de medición
Modelo: 433201A

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