Simple Logger
®
II Series
23
direct measurement, the result of complex mathematical operations on a
single or multiple input, or other channels.
Sample Rate:
The rate at which the instrument measures inputs.
Storage Rate:
The rate at which channel measurements are stored.
4.8.1 Trend Measurements
The logger stores the TRMS calculation of each of the inputs. In addition,
the user can define the storage rate, recording period and measurement
format using the
Configure Instrument
dialog box in the SLII Control Panel
software. Trend measurements are stored at this fixed storage rate.
4.9
Normal Operation
When the instrument is turned ON, the following occurs (provided there is
sufficient battery voltage and no data is stored in the instrument’s memory):
The GREEN LED single-blinks. (STANDBY mode is active and
•
the logger is not recording).
The RED LED is OFF, indicating there is no data in memory.
•
The
•
PRESS
button is used to Start/Stop a Recording Session.
If the
•
PRESS
button is not pressed for a period of one minute,
the instrument will enter SLEEP mode and wait for either another
button press or the recording start time to arrive (if a recording is
scheduled). While in SLEEP mode, the LEDs will not blink.
A button press of 0.5 seconds will return the unit back to the normal
•
STANDBY mode.
Event: Recording with Memory Cleared
When a recording starts, the logger will continue to record until one of the
following occurs:
The Session is complete.
•
The Memory is full and the recording mode is Start/Stop.
•
The
•
PRESS
button is pushed until the STOP (ORANGE) LED
lights up and is released before the next LED lights.
The Stop Recording command from the SLII Control Panel is sent
•
to the unit.
The battery voltage falls below 1.7V.
•
