MacREJ 5

PLUM ELECTRONICS
gas volume, pressure,
and temperature data logger

electronic gas volume, pressure and temperature data logger MacREJ 5

MacREJ 5 is a complete data logger solution designed to record and inspect the performance and stability of the whole Pressure Regulating and Metering Stations (PRMS). It can work supplied from internal batteries or be connected to the external power source, what converts it to online metering station monitor for SCADA systems.

Design of the device allows for its work directly on the metering station even in Ex Zone 0. Device equipped with pressure and temperature sensors can work as a remote pressure regulator maintenance device.

Installed internal modem working in various modes can inform immediately metering station service about malfunction or predict upcoming replacement of pressure regulators.

about
MacREJ 5 data logger

  • optional built-in modem for 4G LTE Cat.1 and 2G networks
  • support for NFC communication standard, optical connection and two RS485/ RS232 serial ports
  • graphical 4” display with backlight works in temperatures down to -30 °C
  • configurable main screen widgets pressure stability trends and other configured values as bar graphs
  • ATEX-certified for operation in any explosion hazardous zone (up to zone 0, 1, 2), also with integrated modem
  • internal or external pressure sensors
  • configurable two LF pulse inputs for gas meters
  • possibility of reading/controlling in Modbus MASTER mode up to 16 external devices in Modbus RTU protocol via RS485 (e.g. digital pressure transmitters, EM series expansion modules)
  • 10 cable glands for connection of signal and measurement circuits
  • low operating costs due to the use of standard lithium batteries

Why is it worth
choosing MacREJ 5 data logger?

configurable bar graphs with historical records of pressure allowing for instant pressure regulator inspection on site, showing unwanted pressure indications

immediate alarming of gas station service when quantities are out of programmed ranges

significance level of the alarms - thresholds with flag of alarm and warning

interface-free configuration using NFC

internal modem presence does not affect Ex feature of the complete unit

NAMUR inputs for proximity sensors working on battery

possibility to add any sensor communicating in Modbus protocol

application of the MacREJ 5
gas flow data logger

direct
data transmission

Direct data transmission to the system – data reading via built-in 4G cat.1 modem when powered by batteries.

MacREJ 5
data logger
application
diagram

Application diagram of the MacREJ 5 data logger

 

 

 

local
reading

Local reading and configuration.

technical
data

dimensions / weight:
207 x 194 x 77 mm
housing material:
polycarbonate
relative humidity:
max. 95%, at temp. 70°C
ambient temperature range::
min. -25°C, max. 70°C
housing protection class:
IP66 for outdoor installations
display:
4" graphical

accessories

eWebtel

Data acquisition system
see more

ConfIT!

Software for desktop configuration
see more

ConfIT! data loggers

Data loggers configuration application
see more

OptoBTEx2

Optical interface
see more

EM-1

Extension module
see more

INT-S3

Power supply interface
see more

antenna

Antenna 4G/3G/2G
see more

download

Do you need detailed technical documentation, DWG files, Modbus maps, or other product documents?
Contact us directly at export@plum.pl.

datasheet MacREJ 5
installation manual MacREJ 5
declaration of conformity MacREJ 5 Ex, with GSM modem
declaration of conformity MacREJ 5 Ex, no-GSM modem EU
declaration of conformity MacREJ 5 Ex, with LTE cat1, mod.4GCx3A2
plum GAS portfolio

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