To Delete All Co Room Test Reports; Differential Temperature Measurement; Differential Thermometer Set Up - Extech Instruments CO80 Manual

5.5.6.

To Delete all CO Room Test Reports

Whilst in the CO menu and whilst there is no current CO room
measurement running, press "Log" and "Scroll" twice until the Send icon
flashes. Press the "Pressure" key so that the icon "del" flashes – press
and hold the "Log" key until a beep is heard. All reports will be deleted
and the message "Memory Empty" will be display should any report be
printed without new readings being taken.
To cancel the del log request either press the "Pressure" key again or
press the scroll key to select the next logging function.
5.6

Differential Temperature Measurement

The CO80 allows for two thermocouples for differential measurement that
is used, for example, to measure the heat loss between the flow and
return pipes on a boiler (refer to manufacturers instructions and/or current
legislation for the maximum permissible differences between the two).
5.6.1

Differential Thermometer Set up

Scroll through to Display 8. Connect the probes as detailed in 2.9. If no
CO room test is being conducted, the pump should automatically be
turned off if both thermocouples are connected.
The inlet display is the bottom of the two measurements, with the outlet
(Flue) measurement display on the top. The difference between the two is
shown in the middle.
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CO80 V3.1 04/06