Multicomp pro MP780002 Bedienungsanleitung

Temperature Calibrator

Model No. MP780002

Read all instructions before using the appliance and retain for future reference.

• Please follow all safety operation instructions.

• Check the test leads, probes and case insulation before using. If you nd any

breakage or abnormality, or you consider the device is broken, stop using the

device immediately.

• Output a test voltage to conrm the calibrator is working properly before use.

• Select the proper function and range according to the measurement requirements.

• Before using the calibrator, make sure the battery cover is closed.

• When using the probes, do not touch the metal part of the probes. Keep your

ngers behind the nger guards on the probes.

• Always connect the common test lead rst then the live test lead. Remove the live

test lead rst when disconnecting.

• Disconnect the test leads before switching to other measurements or outputs.

• Children should be supervised to ensure that they do not play with the product.

• Do not use the product for any purpose other than that for which it is designed.

• Do not operate the product around explosive gas, vapour, or dust.

• Do not operate or store in an environment of high humidity or where moisture may

enter the product as this can reduce insulation and lead to electric shock.

• Turn the meter off when not in use to save the battery.

• Remove the battery if the meter is not to be used for long periods.

• Remove the test leads on the calibrator before opening the battery cover.

• Replace the battery as soon as the low battery warning appears on the display to

avoid possible electric shock or personal injury caused by incorrect readings.

PRODUCT OVERVIEW

WHAT’S INCLUDED

• Calibration meter

• Battery.

• Instruction manual.

• Test leads.

• Alligator clip.

IMPORTANT SAFETY INFORMATION

1. Source/Measure/Loop/Sim indicator

2. Main display

3. Low battery indicator

4. Excitation current too high

5. Excitation current too low

6. Ramp/Step indicator

7. Thermocouple output indicator

8. RTD output indicator

9. Resistance unit

10. Voltage unit

11. Percentage of source/measurement

value

12. Temperature unit

6 78

FUNCTIONS

1. Power ON/OFF button

2. Mode button V/Ω

3. RTD output button

4. Thermocouple output mode button

5. SLOPE/STEP mode button

6. C/F Temperature scale button

7. Value setting buttons

8. Test lead connection terminals

Source

• Connect the red test lead to V terminal, black to COM terminal, and connect the red

probe to the positive terminal of voltmeter, black to negative terminal.

• Press the POWER button (>2s) to turn on the calibrator and it will perform self-test,

which includes the internal circuit and LCD display testing. The LCD screen will

display all symbols for 1s during self-test.

• Press V/Ω button to switch between mV low range and high-range output, press

again to switch to resistance output, low and high ranges.

Auto Power Off

• The calibrator will automatically shut down if there is no button or communication

operation within the 30min (factory setting), which is enabled by default and is

displayed for about 2s during the booting process.

• To disable auto power off, press down LEFT (0%) value button while turning on the

calibrator until the buzzer beeps.

To enable auto power off, press down RIGHT (0%) value button while turning on the

calibrator until the buzzer makes a “beep” sound.

• To adjust the auto power off time, press down RIGHT (0%) value button while

turning on the calibrator until the buzzer beeps, then adjust the time between

1-30 min with the UP or DOWN (25%) value buttons, then short press TC button

to save the setting (if the time is not saved, the calibrator will exit settings mode

automatically in 5 seconds) and then enter the operating mode.

Backlight Brightness Control

• Press down UP (25%) value button while turning on the calibrator until the buzzer

makes a “beep” sound.

• Then adjust the backlight brightness by using the UP or DOWN (25%) value

buttons, the brightness value is displayed on the screen as shown:

• Long press TC button to save the setting (if the settings are not saved, the

calibrator will exit settings mode automatically in 5 seconds) and then enter the

operating mode.

• Briey press the UP or DOWN (25%) value buttons to add or subtract 1 for the

value above the underline (the value is automatically carried and the position of the

underline remains unchanged) and press LEFT (0%) or RIGHT (100%) to change

the position of the underline.

• Long press C/F button until the buzzer beeps, 0mV can be used as the value of 0%.

• Similarly, use the four value buttons to increase the output to 100.0mV

• Long press SLOPE/STEP button until the buzzer beeps, 100mV can be used as the

value of 100%.

• Long press UP or DOWN (25%) value buttons to increase or decrease the output

between 0% and 100% in 25% steps as shown:

OPERATION

Voltage Output

• Short press V/Ω and select voltage output, LCD displays ‘mV’ unit, then select the

corresponding range as required.

• Connect the red test lead to V terminal, black to COM

terminal.

• Connect the red probe to positive end of the voltmeter,

black to negative end of the voltmeter.

• Select an output digit by LEFT (0%) or RIGHT (100%)

buttons, and adjust its value with UP or DOWN (25%)

buttons.

• Read the data on the voltmeter.

Resistance Output

• Short press V/Ω and select resistance output, LCD displays ‘Ω’ unit, then select the

corresponding range as required.

• Connect the red test lead to V terminal, black to COM terminal.

• Connect the red probe to positive end of the voltmeter, black to negative end of the

voltmeter.

• Select an output digit by LEFT (0%) or RIGHT (100%) buttons, and adjust its value

with UP or DOWN (25%) buttons.

Lo symbol indicates that the excitation

current is too small and the main display

value will ash.

Hi symbol indicates that the excitation

current is too great and the main display

value will ash.

Simulating Thermocouples

• Connect the calibrator output to the instrument

being measured with thermocouple wires and

simulate the thermocouple as follows:

• Short press T/C button to choose the

thermocouple function, LCD will display oC unit.

Keep pressing this button to select the required

thermocouple type (oC or oF)

• Connect the thermocouple wires to the calibrator.

Connect the red test lead to TC terminal, black to

COM terminal.

• Select an output digit by pressing LEFT (0%) or

RIGHT (100%) buttons, and adjust its value with

the UP or DOWN (25%) value buttons.

Thermocouple Cold Junction Temperature Compensation

Simulating thermocouples includes auto and manual cold junction temperature

compensation.

• The auto cold junction compensation directly adopts the cold junction temperature

of the device; and for the manual compensation, users can input the custom cold

junction temperature through buttons.

Auto Cold Junction Temperature Compensation

• When entering the thermocouple output mode for the rst time, the default method

of cold junction temperature compensation is Auto, as shown in the gure above.

• To view the current value of auto cold junction temperature compensation, long

press RTD button, and the Auto symbol is replaced by the current value which will

display for 2 seconds and then automatically return to Auto display.

Manual Cold Junction Temperature Compensation

• Users can enter the required cold junction temperature through buttons. The

specic steps are as follows:

• Long press TC button to enter the manual cold junction compensation setting

mode.

• Adjust the manual compensation using the LEFT (0%) or RIGHT (100%) and the

UP or DOWN (25%) buttons.

• Long press TC to save the manual compensation value, device will automatically

return to the thermocouple output mode.

• To return to Auto compensation mode, press and hold RTD.

oC or oF Temperature Display

• In temperature mode short press C/F button to switch modes between oC or oF.

Simulating Resistance Temperature Detectors (RTD)

• Connect the calibrator to the instrument being measured according to the gure as

shown, and simulate the RTD as follows:

• Press RTD button to select the RTD type.

• Connect the thermocouple wires to the calibrator as shown above: connect the red

test lead to TC terminal, black to COM terminal.

• Select an output digit by pressing LEFT (0%) or RIGHT (100%) buttons, and adjust

its value with the UP or DOWN (25%) value buttons.

Note: The calibrator can simulate a 2-wire RTD output on the front panel. To connect to

a 3-wire or 4-wire transmitter, use stacking cables to provide additional wiring.

ADVANCED APPLICATIONS

Setting 0% and 100% Output Parameters

• Users need to set the values of 0% and 100% for the step operation and

percentage display. Some values of the calibrator have been set as default.

• The table below lists the factory settings.

Output Functions 0% value 100% Value

mV (100mV) 0,000mV 100.000mV

mV (1000mV) 0.0mV 1000.0mV

Resistance 500Ω 0.0Ω 500.0Ω

Resistance 5000Ω 0.0Ω 5000Ω

Thermocouple type J 0.0oC 1000.0oC

Thermocouple type K 0.0oC 1000.0oC

Thermocouple type T 0.0oC 400.0oC

Thermocouple type E 0.0oC 800.0oC

Thermocouple type R 0.0oC 1500oC

Thermocouple type S 0.0oC 1500oC

Thermocouple type B 600oC 1800oC

Thermocouple type N 0.0oC 1000.0oC

Output Functions 0% value 100% Value

WRe526 0.0oC 2000.0oC

WRe325 0.0oC 2000.0oC

Pt100 0.0oC 500.0oC

Pt1000 0.0oC 400.0oC

Cu50 0.0oC 150.0oC

Cu100 0.0oC 150.0oC

• These factory settings may not be suitable for your work, you can reset them

according to your requirements so that you can use the step or ramp output

function and get the percentage display.

• Adjust the output value with four VALUE buttons, long press C/F or SLOPE/STEP

until the buzzer makes a “beep” sound to set the new values of 0% and 100%. The

newly set range is automatically saved in the calibrator storage area, and it is still

valid after restarting.

• Now you can use the settings to do the following:

• Long press UP or DOWN (25%) to manually step (increase or decrease) the output

in 25% increments.

• Long press LEFT (0%) or RIGHT (100%) to switch the output between 0% and

100% range.

Auto Ramping (inc/dec) the Output

• The auto ramping function allows you to continuously apply a varying signal from

the calibrator to the transmitter and view the calibrators response.

• Press the SLOPE/STEP button and the calibrator will generate a continuous and

repeating 0% - 100% ramping output.

• Three types of ramping waveforms are available:

1. 0%-100%-0% 40 second smooth ramp

2. 0%-100%-0% 15 second smooth ramp

3. 0%-100%-0% 25% step ramp pausing for 5 seconds at each step

• Press any key to exit the ramping output function.

Restore Factory Settings

• Long press the RTD button while powering on the calibration until the buzzer

sounds. After the factory reset is completes the calibrator will automatically enter

into the operating mode.

• The following factory settings are restored:

1. Operating mode: voltage output mode

2. Auto power off time: 30 mins (enabled)

3. LCD backlight brightness: 60%

4. Output range

SPECIFICATIONS

Range Max output range Resolution Accuracy ±(% reading + digits)

100mV -10.00~125.00mV 0.001mV 0.05%+3

1000mV 0~1100.0mV 0.1mV 0.05%+3

-10oC~18oC, +28oC~55oC temperature coefcient: ±0.005%FS/oC

Max load: 1mA or 1kΩ, select a small load

Range Range Resolution Accuracy ±(% reading + digits)

Pt100 -200oc~850oc

0.1oC/

0.1oF

0.05%+0.6oC

Pt10 -200oc~850oc0.5%+6oC

Cu50 -50oc~150oc0.05%+0.6oC

Cu100 -50oc~150oc0.05%+0.6oC

External excitation current allowed at output: please refer to the resistance output

function.

Range Max output range Resolution

External

Excitation

Current

Accuracy

±(% reading +

digits)

500Ω 0.0~500.0Ω 0.1Ω 0.075mA~3.0mA 0.05%+2

5000Ω 0.0~5000.0Ω 1Ω 7.5mA~0.3mA 0.05%+2

-10oC~18oC, +28oC~55oC temperature coefcient: ±0.005%FS/oC

DC mV Output

Resistance Output

Temperature RTD

• All specications are based on a one year calibration period and applied to a

working temperature range of +18oC~+28oC unless otherwise specied.

All specications are obtained after a 30 minute period of operation.

Display count: 200000

Range: manual

Operating temperature: 0°C~50°C (32°F~122°F)

Storage temperature: -20°C~70°C (-4°F~158°F)

Relative humidity: 0°C~below 30°C:<75%; 30°C~40°C: <50%

Operating altitude: 0~2000m

Battery: 9Vx1

Dimension: about 96x193x47mm

Weight: about 370g (including battery)

EMC: RF eld (3V/m): overall accuracy= specied

accuracy+ 5% of range RF eld (>3V/m):

no specied calculation

Range Max output range Resolution Accuracy ±(% reading + digits)

J-200oc~0oc0.1oC/0.1oF

1.0oC

0.7oC

0oc~1200oc

-200oc~0oc

0.1oC/0.1oF

1.2oC

0oc~1370oc 1oC

-200oc~0oc

0.1oC/0.1oF

1.2oC

0oc~400oc 0.8oC

-200oc~0oc

0.1oC/0.1oF

0.9oC

0oc~950oc 0.7oC

-20oc~0oc

1oC/1oF

2.5oC

1.8oC

0oc~500oc

1.4oC

500oc~1750oc

-20oc~0oc

1oC/1oF

2.5oC

0oc~500oc1.8oC

500oc~1750oc1.5oC

-600oc~800oc

1oC/1oF

2.2oC

800oc~1000oc1.8oC

1000oc~1800oc1.4oC

N-200oc~0oc0.1oC/0.1oF

1.5oC

0.9oC

0oc~1300oc

Wre325 0oc~2000oc 0.1oC/0.1oF 1.8oC

Wre526 0oc~2300oc 0.1oC/0.1oF 1.8oC

The error in this table does not include the error of cold junction temperature

compensation. Cold junction temperature compensation accuracy: 1.5oC

Temperature Thermocouple

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