Hanna-instruments HI 93530 User Manual download pdf (Page 7)

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Note: When the reading goes over-range or the probe is removed,

the Hi and Lo values display dashes until cleared.

CLEAR FUNCTION (not for HI 93530 and HI 93530N)

Upon pressing the CLR key, the High/Low values may be cleared at

any time during measurement and the current reading is assigned to

the highest and lowest temperature values for the displayed channel

only.

°C/°F SELECTION

Measurements can be displayed in either

degrees Celsius or Fahrenheit. The meter is

factory set to °C scale; to change the scale,

press the °C/°F key,

or set the °C/°F switch located in the battery compartment (HI 93532

and HI 93532N only, see figure on page 12).

AUTO SHUT-OFF

To save battery life, these meters are provided with an auto-off

feature, which switches the instrument off after 60 minutes of nonuse.

To disable this feature, all models (except HI 93531R & HI 93532R)

are provided with an internal switch located in the battery compart-

ment (see figure on page 14).

HI 93531R and HI 93532R allow the user to disable the auto-off

feature through the front keyboard; press (ALT+) AOFF to enter the

mode, then set the desired option (auto-off after 8 or 60 minutes, or

disabled) with the ALT key; release all buttons, wait a few seconds

and the meter will return to normal measurement mode.

OPERATIONAL GUIDE

To switch the instrument ON, press the ON/OFF key.

The thermometer will carry out a self diagnostic test routine, the LCD

will show all segments for a few seconds (or as long as ON/OFF is

held), followed by the percentage indication of the remaining battery

life.

The thermometer then enters normal measurement mode.

If a temperature probe is plugged in, the meter displays the

measured temperature.

If no probe is plugged in, or if reading is

over-range, the display shows flashing dashes.

If a measurement is slightly over the range

of the meter specifications, the display flashes

the closest full-scale value.

To switch the meter OFF, press the ON/OFF key.

Note: The meters are provided with an acoustic signal feature activated

when buttons are pressed, which can be disabled using a switch

located in the battery compartment (see figure on page 12).

HOLD FUNCTION

The HOLD function is activated by pressing the HOLD key.

The measured temperature is held on the

display until HOLD is pressed again. The

"HOLD" tag blinks on the display while in

HOLD mode.

Note: Although the display is frozen, internally the meter continues

measuring and updating Hi/Lo values (not for HI 93530 and

HI 93530N).

HIGH/LOW TEMPERATURES

(not for HI 93530 and HI 93530N)

The maximum and minimum temperatures

are continuously monitored and displayed

on the lower portion of the LCD.

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Hanna-instruments HI 93530 User Manual Page 7

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