The Prilog 400 is an extremely compact and robust instrument, specially designed for the natural gas market and suitable for commercial and industrial applications. It enables gas network operators and their customers to store meter readings, measured values and events comprehensively and to read out all data via standard protocols.

MessEG-approval as maximum load recording device with event logbook
Compliant with standards
Versions for Ex zones 0, 1 and 2
Data memory with
Measuring period archive
Counter reading archive
Event archive
Maxima archive
Parameter change logbooks
High flexibility of the archive memory
With GSM/GPRS/LTE modem (optional)
Possibility of connecting an additional modem (multi-client capability)
Windows operating software (supplied free of charge)
Easy installation and commissioning; simple and intuitive operation

Data storage with flexible archive structure offers the following:

MessEG-approved measured value recording device (HBA)
Use in Ex-area possible
Battery life up to 15 years
LCD display with backlight and keyboard

Memory - 16 MB SPI Flash with large archive memory
Inputs -
8 digital inputs for
- LF/HF pulses
- NAMUR signals
- Encoder
- Status messages
Up to 6 analog inputs (optional)

Parameter Name	Parameter Value
Type	paperless digital event analog
Measured physical value	flow
Applications	network display industrial