Omega CL526 manual Tecnical unit, Decimal point position, International Temperature Scale, Rj mode

9.3.3Tecnical unit

•To change the technical unit from °C to °F (or viceversa) follow the procedure indicated below: Instrument operative in -Out- mode as follows:

Out 0.0°C TcK:

•Switch the instrument -OFF-

•Keep pressed the <SELECT> key and switch the instrument <ON> obtaining the following reading:

In 10.0°F TcK:

•Use the same procedure to return in °C switching the instrument -Off-

•Press the <SELECT> + <ON> key to read:

In -12.0°C TcK:

9.3.4Decimal point position

The decimal point position, to increase or decrease the resolution upon the application, is made by pressing keys <!> or <">.

The instrument will automatically convert values in °C or °F from decimal to integer (and viceversa) when they are in the range limits stated in par. 1.2.1.

On mV or V mode one of the following decimal point positions can be obtained:

0.000 V

0.0mV

0.00mV

0.000 mV

Decimal conversion is not possible for the mA mode (always with three decimal points).

9.3.5International Temperature Scale

The memory of the instrument stores both linearisations of the old International Practical Temperature Scale of 1968 (IPTS68) and the new International Temperature Scale of 1990 (ITS90).

The active linearisation is indicated on the right side of the display as follows:

❏IPTS 68 ■ IPTS 90

•The change from one scale to the other is possible directly from the keyboard:

•Press <SHIFT> + <ITS> keys

9.3.6Rj mode

The instrument can operate with an internal automatic cold junction (Rj) compensation or a remote programmable from - 50 to 100°C.

The active Rj compensation mode is indicated on the right side of the display as follows:

❏internal automatic

■external programmable

•To change the reference junction (Rj) compensation mode, press <SHIFT> + <Rj> keys.

9.3.7Convert function

The "convert" function allows readings of the electrical signal equivalent to the technical unit indication. Can be used in both -IN- or -OUT- mode for thermocouples, resistance thermometers and x scaling.

26