Hanna-instruments HI 8564 Bedienungsanleitung PDF herunterladen (Seite 7)

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BATTERY REPLACEMENT

Battery replacement must only take place in a

safe area and using the battery type specified in

this instruction manual.

FOR HI8564

When the battery becomes

weak, the "V" symbol is dis-

played on the LCD to warn the

user.

In order to replace the bat-

tery, simply slide off the cover

and replace the 9V battery

with a new one.

FOR HI93640

When the battery becomes weak, the "V" sym-

bol is displayed on the LCD to warn the user.

HI 93640 is provided with the advanced BEPS

(Battery Error Preventing System) technol-

ogy, that turns the meter off when a low

power condition is detected. It is recommended

to replace the 9V battery with a new one.

When the battery need to

be replaced, simply slide off

the battery cover and install

a new 9V battery.

BATTERY

9 VOLT BATTERY9 VOLT BATTERY

• Remove the cap from the

"RH 75.4%" chamber con-

taining the NaCl solution and

insert the probe.

• Wait for the measurement to

stabilize (approximately

4 hours)

• Turn the high humidity trimmer until the

readout on the display is 64.3%.

• Wait for 1 hour and readjust if necessary.

• Leaving the probe in the "RH 75.4%" cham-

ber, adjust the low humidity trimmer until the

value of 75.4% is read.

• Now, the humidity calibration is complete.

Spare saturation salts are also available:

HI 7111/P (LiCl) for low range humidity, and

HI 7121/P (NaCl) for high range humidity.

CALIBRATION KIT

Li Cl

11.1%

Na Cl

75.4%

12

3

6

9

4 h

H

H

1 2 3 4 5 6 7 8 9

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