American Hakko Products, Inc.
one that displays in Fahrenheit, the LCD display will show ‘CAL’, 932, and °F.
9.
Attach the source leads from the Yokogawa CA-71 Portable Calibrator or equivalent device to
the corresponding terminal posts on the HAKKO FG-101.
NOTE: Be sure to insulate the clips on the lead wires to prevent them from heating while
handling and making the connections to the posts. If the clips on the lead wires are heated, this
could introduce measurement error.
10.
Set the output value on the Yokogawa CA-71 Portable Calibrator or equivalent device to 500°C
and start the source supply.
11.
Press the MAX HOLD button on the HAKKO FG-101 and ensure the ‘CAL’ indication disappears
from the display.
12.
Stop the source supply on the Yokogawa CA-71 Portable Calibrator or equivalent device.
13.
Verify the calibration by setting the output value on the Yokogawa CA-71 Portable Calibrator or
equivalent device to the values in the table below and confirm that the display shows the
standard values corresponding to each output setting.
Output Value
(Type K, °C)
Standard Value
(°C)
0 0
±2
200 200
±2
300 300
±2
400 400
±2
500 500
±2
600 600
±2
14.
If there is any deviation outside the standard values, perform the calibration again.
15.
When finished, turn off the HAKKO FG-101. Ensure the source supply is stopped on the
Yokogawa CA-71 Portable Calibrator or equivalent device and remove the source leads from the
HAKKO FG-101. Re-secure the two halves of the unit by installing the 5 Phillips screws along the
front and rear of the casing, and re-install the sensor wire.
Millivolt Leakage Measurement Calibration
1.
Plug in the HAKKO FG-101 and turn the unit on.
