Specifications

Transmitter O

M300 53

M300

Printed in Switzerland 52 121 305

11.2.2 Calibrate analog

Select the Analog Output you wish to calibrate. Each Analog output can be calibrated at 4 and

20 mA.

Connect a Meter to the Analog output terminals and then adjust the ﬁve digit number in the

display to set the output to 4mA and repeat for 20 mA.

As the ﬁve digit number is increased the output current increases and as the number is

decreased the output current decreases. Thus coarse changes in the output current can be

made by changing the thousands or hundreds digits and ﬁne changes can be made by

changing the tens or ones digits.

Pressing the [ENTER] key after entering both values will bring up a conﬁrmation screen.

Selecting „No" will discard the entered values, selecting „Yes" will make the entered values

the current ones.

11.2.3 Calibrate unlock

Select this Menu to conﬁgure the CAL Menu, see chapter 7.

Selecting „Yes" means that Meter and Analog Output calibration Menus will be selectable

under the CAL Menu. Selecting „No" means that only the Sensor calibration is available under

the CAL Menu.

Pressing the [ENTER] key after the selection will bring up a conﬁrmation screen.

11.3 Tech service

(PATH: Menu/Service/Tech Service)

NOTE: This Menu is for Mettler-Toledo Service personnel use only.