Hakko Electronics 703B, Инструкция по эксплуатации, Страница: 17 / 26

CALIBRATION OF IRON TEMPERATURE
Soldering irons should be recalibrated after changing the iron, replacing the heating element or
replacing the tip. There are two methods for recalibrating the iron temperature:
A: Calibrating with a tip thermometer.
B: Calibrating with a room thermometer.
Note: HAKKO recommends method 1 for greater accuracy.
The desoldering iron/gun should be recalibrated after changing the iron, the heating element or
the nozzle. (Refer to method A.)
CAUTION:
Never set the nozzle temperature above the maximum temperature. It will cause problems.
A.Calibrating with a tip
thermometer.
1. Turn the 703B ON, select the iron desired, and set the
temperature to 400
°
C (750
°
F).
2. Wait until the temperature stabilizes.
3. When the temperature stabilizes, use a regular or small
cross point screwdriver to adjust the screw (marked CAL
for A.IRON or B.IRON on the side of the station) until the
tip thermometer indicates a temperature of 400
°
C
(750
°
F). Turn the screw clockwise to increase the
temperature and counterclockwise to reduce the
temperature.
∗
We recommend the HAKKO 191/192 thermometer for
measuring the tip temperature.
B.Calibrating with a
room thermometer.
(Test Mode)
1. Allow the HAKKO 703B to cool to room temperature for
one hour.
2. Press and hold down the and buttons
simultaneously and turn the power switch on. (Refer to P.15)
CAUTION:
Should you make a mistake during steps 2 and 3, the station
will start up normally and the heating element will begin
warming up. Should this happen, turn the station off and wait
until it has returned to room temperature.
3. Press the button twice. The display will show the room
temperature compensation value (test mode). This value is
the measured temperature of the soldering tip.
4. Use a regular or small cross point screwdriver to adjust
the screw (marked CAL for A.IRON or B.IRON on the
side of the station) until the display indicates the room
temperature plus or minus the value.
Example: To calibrate the 900M-T-LB at the room
temperature of 22
°
C (70
°
F), adjust the CAL
potentiometer until the digital display reads 20 (66).
22 (70) – 2 (4) = 20 (66)
Room temp. Compensation value Digital display
5. Press the button to complete the calibration. After the
button is pressed, power will supplied to the heater
and normal temperature control will begin.
16
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