MacREJ 5R

PLUM ELECTRONICS
gas volume
data logger

electronic gas flow logger with integrated 4G LTE Cat.1 modem

MacREJ 5 R is a gas flow logger that allows real-time transmission of information about recorded gas consumption to two independent information systems, such as SCADA system and balancing system.

MacREJ 5 R is an intrinsically safe device that can be installed even in the zone 0 explosion hazard area.

why is it worth
choosing MacREJ 5 data logger?

  • easy installation and configuration via NFC-enabled phone
  • option for mains power connection
  • operation on battery power for up to 15 years
  • comfortable operation even in negative temperatures

functions of
MacREJ 5R gas volume data logger

built-in GSM modem (optional) operating
in 4G LTE Cat.1 and 2G networks

support for proximity communication standard NFC,
optical link OptoGAZ, and two RS485 serial links

4" graphical display with backlight,
allowing operation at temperatures up to -30°C

configurable widgets presenting daily/monthly charts
in the form of bar graphs

ATEX-certified, suitable for operation in any explosion hazard zone
(up to zone 0, 1, 2), including for the built-in modem

compatibility with diaphragm, rotary,
and turbine gas meters with reed switch or OC output

handling up to two gas meters via
low-frequency (LF) inputs

handling five two-state inputs for
potential-free sensors

low operating costs thanks to the use of standard,
widely available lithium batteries

integration with BMS (Building Management System)
via MODBUS RTU/TCP or Vb and Vm pulses

application of the MacREJ 5R
gas flow logger

direct data transmission
to the system

Data reading through the built-in 4G Cat.1 modem when powered by batteries.

application
diagram

Application diagram of the MacREJ 5 R recorder.

local
operation

Local reading and configuration.

technical
data

dimensions / weight:
207 x 194 x 77 mm / 1,3 kg
casing material:
polycarbonate
relative humidity:
max. 95%, at temp. 70°C
ambient temperature range:
min. -25°C, max. 70°C
display:
4" graphical
internal power supply:
one standard D-size lithium battery 3.6V/17Ah; operating time: 5 years

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