MS574 0210 0007
Page 5
1. INTRODUCTION
1.1.
SYSTEM DESCRIPTION OF THE ER
Functions and features
The flowrate / totalizer model ER is a microprocessor driven instrument designed to display flowrate,
total and accumulated total.
This product has been designed with a focus on:
ultra-low power consumption to allow long-life battery powered applications (type PB / PC),
several mounting possibilities with Meter mount, GRP or aluminum enclosures for industrial
surroundings,
ability to process two types of flowmeter signals, NPN and Reed.
Flowmeter input
This manual describes the unit with a pulse type input from the flowmeter "-P version".
One flowmeter with a NPN or Reed switch output can be connected to the ER. To power the sensor,
several options are available.
Overview typical application ER
Fig. 1: Typical application for the ER
Configuration of the unit
The ER has been designed to be implemented in many types of applications. For that reason, a
SETUP-level is available to configure your ER according to your specific requirements.
It includes several important features, such as K-factors, measurement units, signal selection etc. All
setting are stored in EEPROM memory and will not be lost in the event of power failure. To extend
the battery-life time, please use of the power-management functions as described in chapter 3.2.3.
Display information
The unit has a large transflective LCD with all kinds of symbols and digits to display measuring units,
status information, trend-indication and key-word messages.
Flowrate and totals can be displayed either with the small 8mm digits or with the 17mm digits.
A backup of the total and accumulated total in EEPROM memory is made every minute.
Options
The following options are available: power- and sensor-supply options, panel-mount, wall-mount,
meter mount and weather-proof enclosures and LED backlight.
