Ohaus I150-S Indicator User Manual download pdf (Page 37)

37

CalibrationCalibration

CalibrationCalibration

Calibration

Before beginning, you must know the

calibration point that was entered in the

“SEtUP” submenu, and have a calibration

weight of that value on hand. If 3-point

linearization is to be performed, you will

also need a weight equal to 1/2 of the

calibration point.

1. When you select “Calib” from the

calibration submenu, “CAL 0” will be

displayed indicating than no load

should be on the load receiver.

2. With no load on the load receiver,

press ENTER.

Zero AdjustmentZero Adjustment

Zero AdjustmentZero Adjustment

Zero Adjustment

In order to adjust the load cell zero, the

I150 cover must be open and you will

need the small screwdriver provided in

the accessory kit. Make sure there is no

load on the load receiver.

1. Locate the zero adjustment screws

on the main circuit board as shown in

the illustration.

2. Turn the appropriate zero adjustment

screw (LOAD CELL 1, or LOAD CELL

2) Clockwise to increase and Counter-

clockwise to decrease the displayed

value. Adjust until it is anywhere be-

tween 1% and 5%.

3. When the displayed value is correct,

press ENTER to exit dead load.

Proceed to the Calibration section

and recalibrate the indicator.

Cell #2

Zero

Adjustment

Cell #1

Zero

Adjustment

ENTERENTER

ENTERENTER

ENTER

ENTERENTER

ENTERENTER

ENTER

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