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confirmed with
[OK]
, the display will return to
{run}
. Pressing
[OK]
at this point will start the
function running.
The reference value is can be number variable over the range ±000000 to ±999999; the
decimal point position is set by the range in use during edit. The reference default value of
10000 (decimal point determined by range) can be entered by pressing the shifted key Clear
[Shift] [Auto]
. The latest meter reading can be entered by pressing the shifted key Copy Rdg
[Shift] [Stop]
.
10.6
Watts
The Watts function calculates power using the formula
Watts = V
2
/R
It can only be run when Vdc or Vac are selected in the main display. The reference impedance
can be set anywhere between 0.1 and 99999.9 Ohms.
To select Watts, press
[Function]
and use the Navigator keys to choose
{W}
as the flashing
symbol. Confirm with
[OK]
; the secondary display will flash the word
{run}
.
To view or edit the reference value, press the Navigator Left or Right key to select
{Edit}
and
confirm with
[OK]
. The reference value will be displayed and can be changed using the
Navigator keys (
[<]
/
[>]
to select the digit and
[
ଢ଼@
/
[v]
to change the value). Once the value is
set confirmed with
[OK]
, the display will return to
{run}
. Pressing
[OK]
at this point will start the
function running.
10.7
VA
The VA function calculates power by multiplying voltage and current readings. The meter must
be connected for both voltage and current measurement, see Making Voltage and Current Dual
Measurements,
section 8.2
, with Vdc or Vac selected for the main display.
To select VA, press
[Function]
and use the Navigator keys to choose
{VA}
as the flashing
symbol. Confirm with
[OK]
; the secondary display will flash the word
{run}
. Pressing
[OK]
again will start the function running.
11 Data Logging
The logger function can store up to 500 readings from the main display in non-volatile memory.
The store is linear, with no wrap-around. Readings are triggered by either the internal timer,
manual key press, external trigger input (
-I/P+
) True, or remote interface command. Readings
are stored as floating-point numbers with their units and reading number but without any form of
time stamping.
11.1
Setting-up the Logger
To select the Logger, press
[Function]
and use the Navigator keys to choose
{LOGGER}
as
the flashing symbol. Confirm with
[OK]
; the secondary display will flash the word
{run}
.
Use the Navigator keys to select
{Edit}
and confirm with
[OK]
. The primary display will show
{PEr}
(Period) with the secondary display showing the existing setting (default value = Off)
{OFF}
.
Manual or External Triggered Logging (Off)
With the period set to
{Off}
, the timer is inoperative and readings are stored only in response to
the Man Log key, the Ext Trigger, or a Remote Interface command. To return to
{Off}
from
another setting press the shifted key Clear
[Shift] [Auto]
. Confirm with
[OK]
.
To log from the external trigger input, the External Trigger function must be set accordingly –
see
section 12.4.
