4
Introduction
This datalogger is designed for autonomous measurements and recording
of physical and electrical data, with the data recording interval from 1 s to 24 h.
The inputs and ranges of quantities to be measured are determined
by the model type the user has bought. The user cannot modify them.
This portable device can be mounted in a fixed-position. To set up datalogger,
a PC with a USB interface is needed.
This device allows:
- to measure and process input data coming from internal or external sensors,
binary inputs, counters or current inputs.
- to detect and log minimum and maximum values (existing since their last
manual resetting) of each quantity,
- to display the measured values on an LCD display. Some features can be
controlled by two push buttons situated next to the display (device switching
off and on, deactivation of alarm signalling, Min/Max value resetting),
- to store an autonomous chronological record of measured values in
internal
non-volatile memory. The values to be collected can be measured at
the instant
of recording or as average or min/max values detected during
the recording
interval. Recording can be performed continuously or at the
alarm time only.
The recording mode can be also set optionally as non-
cyclic to stop at the
memory filling up, or as cyclic. In this mode the
originally recorded values will
be overwritten by fresh ones after the memory
unit getting filled up.
- to set up two alarm signalling limits for each quantity to be measured. The
alarm
signalling can be realised visually, optionally by a symbol appearing
on the
display or by a short blink of an LED, or acoustically. In addition, all
UxxxxM
series dataloggers contain a GSM modem enabling to send
alarm SMS
messages to up to four selected receivers and can send values
over a GPRS
data connection using JSON messages when changing the
alarm status.
- to send data to the Cloud storage system
- to send, at a configurable interval, informative SMS messages containing
device identification, currently measured values and alarm states to up to four
selected receivers. These messages may be of two kinds: user readable
(suitable to be displayed on a mobile phone), or machine readable (suitable
for automated data processing in a database or a cloud).
- In configurable interval to send measured values over a GPRS data
connection using JSON messages
- to be supplied in autonomous manner from an internal Li-ion accumulator.
This can be charged by a common USB charger. An internal GSM modem is
connected to the supply unit only when a sending request has been sent out,
otherwise it is switched off to save energy.
- to communicate with a computer by means of a USB interface (all device
settings,
recorded
data
downloading,
and
online
monitoring).
To communicate, the datalogger utilises the HID USB standard, which does
not require additional controllers to be built into the PC.
Summary of Contents for AR003954
Page 5: ...5 Datalogger AR004525 model...
Page 59: ...59 Dimensions AR006087 AR005348 AR005892...
Page 60: ...60 AR004525 AR006088 AR003954...
Page 61: ...61 AR006089 AR006090...
Page 62: ...62 AR006092 AR006779 AR006091...