Hanna-instruments HI 943500A Instrukcja Użytkownika Pobierz pdf (Strona 4)

Unplug the instrument from power supply before

replacing the fuse.

REAR PANEL OF HI 8931 SERIES

1. POWER OUTPUT terminals (+20 V and COM) for connec-

tion to a conductivity transmitter (HI 8936)

2. mA INPUT from a conductivity transmitter

3. mA OUTPUT terminals for connection to a recorder

4. SET SELECT terminals for reverse control operation

5. SET terminals for connection to a dosing pump

6. ALARM terminals for connection to an external alarm device

7. Power supply terminals

8. Fuse holder

FUNCTIONAL DESCRIPTION

HI 8931 & HI 943500

KEYPAD

MEASURE To read measurements and enable diagnostic tests

ΔAL To display set tolerance of the alarm

SET To set working point

TEST SLOPE Diagnostic function

TEST OFFSET Diagnostic function

When a key is pressed, the corresponding LED lights up to indicate that

the function is active.

TRIMMERS

OFFSET For offset calibration

SLOPE For slope calibration

ΔAL To set the alarm tolerance

COARSE To coarsely adjust the set point

SET FINE To finely adjust the set point

LEDS

SET ON To indicate that the dosage is active

ALARM To indicate an alarm condition

1 2 3 4 5 6 7 8 9 ... 26 27

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Hanna-instruments HI 943500A Instrukcja Użytkownika Strona 4