Extech Instruments 433201A Manuale utente

User's Guide

Microprocessor Calibrator/Thermometer

Models 433201A and 433202A

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Extech 433201 Multi-Type Calibrate Thermometer Thermocouple Type K-J

Extech 433201-NIST Multi-Type Calibrate Thermometer Thermocouple Type K-J

433201A-EN v1.6 07/13

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 thermocouples. By adjusting the offset, measurement

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.

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433201A-EN v1.6 07/13

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

(0.0oC)

32.0oF

(0.0oC)

32.0oF

(0.0oC)

0mV

M2 212.0oF

(100.0oC)

212.0oF

(100.0oC)

212.0oF

(100.0oC)

10.00mV

M3 932.0oF

(500.0oC)

392.0oF

(200.0oC)

482.0oF

(250.0oC)

25.00mV

M4 1382.0oF

(750.0oC)

572.0oF

(300.0oC),

932.0oF

(500.0oC)

40.00mV

M5 1832.0oF

(1000.0oC)

752.0oF

(400.0oC)

1382.0oF

(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.

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433201A-EN v1.6 07/13

Operation

Measurement Mode

1. Open the meter lid and press the POWER/MODE button to turn the meter on. “MEASURE”

will be displayed on the LCD screen. Check the battery if the meter display does not switch

on.

Note: For best accuracy, remove any input connectors before turning the unit ON. The

meter will not perform a correct self calibration if there is an input connected.

2. Select the thermocouple type using the TYPE button. The T/C type selected will be indicated

along the bottom of the display. Each time the TYPE button is pressed the indicator will

advance one type.

3. Select

oC or oF via the oC/oF button.

4. Carefully insert the thermocouple probe into the sub-miniature female connector on the side

panel.

5. Read the temperature on the LCD display.

6. To turn the meter off, press and hold the POWER/MODE button for more than 2 seconds.

Offset Adjustment

Thermocouples produce an output signal that is non-linear. In some instances it may be necessary to

offset the reading to compensate for the non-linearity of the thermocouple.

1. In Measurement Mode, press and hold the ▼/▲buttons together until ”OFS” is displayed on

the LCD.

2. Use the ▼/▲buttons to adjust the offset from -9.0 to 9.0oF (-5.0 to 5.0oC)

3. Press and hold the ▼/▲buttons together for less than 2 seconds to save the offset and

return to Measurement Mode.

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433201A-EN v1.6 07/13

Source Mode

1. Open the meter lid and press the POWER/MODE button to turn the meter on. Check the

battery if the meter display does not switch on.

2. Momentarily (<2 sec) press the POWER/MODE button to select the SOURCE mode.

“SOURCE” will be displayed on the LCD screen.

3. Select the thermocouple type of the device to be calibrated using the TYPE button. The T/C

type selected will be indicated along the bottom of the display. Each time the TYPE button is

pressed the indicator will advance one type

4. Select °C or °F via the °C/°F button.

5. Carefully insert the calibration cable into the sub-miniature female connector on the side

panel.

Note: For greater accuracy, especially if there is a difference between the internal temperature of the

calibrator and the device under calibration, use a thermocouple cable rather than the copper cable that is

supplied with the calibrator. The thermocouple cable must match the thermocouple type of the device under

calibration.

6. Connect the other end of the cable to the device to be calibrated.

Note: The SOURCE icon will blink until the output has stabilized.

7. Allow time for the calibrator and the external device to settle to the same temperature. This

may take up to 30 minutes or longer if the devices were stored or carried from a

colder/warmer environment prior to use.

8. Use the ▼/▲FINE/COARSE adjustment buttons or the MEM button to select the desired

output temperature. The output temperature is displayed on the LCD display.

9. To turn the meter off, press and hold the POWER/MODE button for more than 2 seconds.

Displaying in mV units

Press and hold the oF/oCbutton for more than 2 seconds until “mV” appears on the LCD display.

Press and hold the button again for more than 2 seconds to return to temperature units (oF/oC).

Auto Power Off

When the meter is turned on, the auto power off function is enabled. It will automatically shut the

meter off 10 minutes after the last button press. To disable Auto Power Off, press and hold the

TYPE button for 2 seconds until “nAtP” is displayed.

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433201A-EN v1.6 07/13

Battery Replacement and Recharging

If the meter is to be used for an extended period of time, use of the AC adaptor is recommended.

For portable operation or quick checks use the rechargeable 9V Nickel Metal Hydride battery or a

9V alkaline battery.

Turning the meter OFF when not in use will prolong battery life.

When the battery icon flashes, replace or recharge the battery. Note that only the supplied 9V

NiCad battery can be recharged.

Replace the battery using the following procedure:

1. Fully open the meter.

2. Insert a coin or flat screwdriver into the slot at the back of the meter.

3. Pop the battery compartment cover and then carefully remove it in the direction of the arrow.

4. Replace the battery and snap the cover back in place.

Recharge the supplied 9V Nickel Metal Hydride battery using the following procedure:

1. Turn the meter off.

2. Ensure that the rechargeable battery is installed.

3. Plug the charger/adaptor into the meter.

4. Plug the charge/adaptor into an AC outlet source.

5. Charge the battery for 24 to 48 hours before its first use. An overnight charge will enable

continuous use for approximately 45 minutes. A full charge will provide one hour of

continuous use.

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433201A-EN v1.6 07/13

Specifications

Calibration & Measurement Ranges Resolution Accuracy

Type J -58 to 1830OF (-50 to 1000OC) 0.1° to 999.9°

1° above 999.9°

± (0.15% of reading

+ 1.8°F or 1°C)

Type K -58 to 2498OF (-50 to 1370OC)

Type T -184 to 752OF (-120 to 400OC)

Type E -58 to 1382OF (-50 to 750OC)

Type C 32 to 3272OF (0 to 1800OC) 1°

Type R 32 to 3182OF (0 to 1750OC)

Type S 32 to 3182OF (0 to 1750OC)

Type N -58 to 2372OF (-50 to 1300OC)

Voltage -5.00mV to +55.00mV 0.01mV ±2digits

General Specifications

Cold junction compensation 0.02°F per °F (0.03°C per °C)

Input impedance 10M

Maximum voltage applied between any

terminal and earth ground or between

any two terminals

60mV

Storage temperature: -22°F to 176°F (-30°C to +80°C)

Operating temperature: 23°F to 158°F (-5°C to +70°C)

Relative humidity: 0-85%

Approvals CE

Thermocouple Standard and Scale NIST 175, ITS-90

Sampling time Two (2) readings per second

Display 4-digit (0 to 9999) LCD display with

thermocouple type status indication

Power 9V alkaline battery, 9V Nickel Metal Hydride

rechargeable battery, or AC adaptor/charger

Supplied accessories Thermocouple calibration cable (white)

terminated with sub-miniature connectors, K-

type Thermocouple cable (yellow) terminated

with sub-miniature connectors, 9V Nickel Metal

Hydride rechargeable battery, neck-strap, AC

adaptor/charger, carrying case.

Dimensions 4.7 x 3.8 x 1.8” (118 x 96 x 45mm)

Weight 15 oz. (426g)

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433201A-EN v1.6 07/13

Warranty

FLIRSystems,Inc.warrantsthisExtechInstrumentsbranddevice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forauthorization.Visit

thewebsiteforcontactinformation.AReturnAuthorization(RA)numbermustbeissuedbeforeanyproductisreturned.The

senderisresponsibleforshippingcharges,freight,insuranceandproperpackagingtopreventdamageintransit.Thiswarranty

doesnotapplytodefectsresultingfromactionoftheusersuchasmisuse,improperwiring,operationoutsideofspecification,

impropermaintenanceorrepair,orunauthorizedmodification.FLIRSystems,Inc.specificallydisclaimsanyimpliedwarranties

ormerchantabilityorfitnessforaspecificpurposeandwillnotbeliableforanydirect,indirect,incidentalorconsequential

damages.FLIR’stotalliabilityislimitedtorepairorreplacementoftheproduct.Thewarrantysetforthaboveisinclusiveandno

otherwarranty,whetherwrittenororal,isexpressedorimplied.

Calibration,Repair,andCustomerCareServices

FLIRSystems,Inc.offersrepairandcalibrationservicesfortheExtechInstrumentsproductswe

sell.NISTcertificationformostproductsisalsoprovided.CalltheCustomerServiceDepartmentfor

informationoncalibrationservicesavailableforthisproduct.Annualcalibrationsshouldbe

performedtoverifymeterperformanceandaccuracy.Technicalsupportandgeneralcustomer

serviceisalsoprovided,refertothecontactinformationprovidedbelow.

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