Hanna-instruments mV 602 Series Instrukcja Użytkownika Pobierz pdf (Strona 24)

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• Press CFM to confirm the parameter that stops blinking on

the primary display.The secondary display shows the multi-

meter or HI931002 input value as the interval lower limit.

• Use  or  to make the

HI931002 or multimeter output

correspond with the value shown

on the secondary display (e.g. 4).

• Wait until the calibrator reading is stable (approx. 30 sec.).

• Press CFM to enter. The meter will switch to the second

calibration point. Repeat the above procedure.

• After the desired readings are obtained, press CFM and

the meter will skip back to normal operating mode.

Note When adjusting values using the  or  it is important to

allow for sufficient response time (up to 30 seconds)

The table below lists the values of output codes along with

the calibration values (which are the analog output mini-

mum and maximum) as indicated on the display.

The secondary display indicates the current calibration value,

while primary display indicates the current calibration type.

OUTPUT CALIBRATION CALIBRATION CALIBRATION

TYPE CODE POINT 1 POINT 2

0-1 mA 0 0 mA 1 mA

0-20 mA 1 0 mA 20 mA

4-20 mA 2 4 mA 20 mA

0-5 Vdc 3 0 Vdc 5 Vdc

1-5 Vdc 4 1 Vdc 5 Vdc

0-10 Vdc 5 0 Vdc 10 Vdc

• Immerse the temperature probe in

the second beaker as near to the

Checktemp as possible and repeat

the above procedure.

Calibration procedure may be interrupted by pressing CAL

again at any time. If the calibration procedure is stopped this

way, or if the controller is switched off before the last step, no

calibration data is stored in non-volatile memory (EEPROM).

ANALOG OUTPUT CALIBRATION

In the meters where the analog output is available, this fea-

ture is factory calibrated through software. The user may also

perform these calibration procedures.

IMPORTANT It is recommended to perform the output calibration at least

once a year. Calibration should only be performed after 10

minutes from power up.

• With a multimeter or an HI 931002

connect the common port to the

ground output and the second port to

the current or voltage output (depend-

ing on which parameter is being

calibrated).

• Press and hold in sequence CFM first, then  and then

CAL to enter the Analog Output Calibration mode.

• Execute the password procedure.

• The primary display will show the current selected param-

eter blinking. Use the  to select the code (0-5 see next

chart) for the desired parameter displayed on the second-

ary display (e.g. 4-20 mA).

50 °C

(122 °F)

°C

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 36 37

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