Landis & Gyr 5235 User Manual & Technical Information - Introduction
Introduction
Issue: 4 5
Page 5 of 21
5235 Single Phase Credit Meter
– User Manual & Technical Specification
© Landis+Gyr
1
Introduction
Introducing the 5235, single and multi-rate tariff options, Single Phase BS
Standard Credit Meter
1.1
Purpose
This document details the functions for the following variants of the 5235
Single Phase Credit Meters, active energy only.
Single Rate, kWh meter
Single Rate, kWh meter with class A pulse output
Multi-rate Externally switched meter
1.2
Meter Overview
The meter is a whole current static electricity meter capable of measuring
kWh in single and two rate variants. An additional option to have a pulsed
output is also available on the single rate version. The meter is approved to
IEC62052
– 11: 2003 & IEC62053 – 21:2003 classes 1.0 and 2.0 and has
been given a 20 year certification life by OFGEM.
The meter is sealed for life by a liquid welding process and therefore does
not carry an external wire seal.
All meter types feature an optical port used for reprogramming. The
metrology LED is incorporated into this port and pulses at a rate of 1000
impulses per kWh.
All facia details are permanently laser etched directly onto the meter front.
Options would normally include property details, serial numbering and
various barcode options. Other details may be printed such as customer
l
ogo’s and meter type codes etc.
1.3
Model versions
A character denotes meter version after the model number:
A - Single rate only active only
B - Single rate with pulsed output active only
D - Externally switched two-rate active only
1.4
Reference Standards
The meter has been tested by OFGEM and has the following certification.
IEC62052
– 11: 2003. IEC62053 – 21:2003.
Alternating current static
watt-hour meters for active energy (Classes 1 & 2). Other standards are in
the technical summary.
1.5
20 Year Certification Life
This meter has been given a certification life of 20 years by OFGEM the UK
regulatory body. This has been achieved by proving the reliability of each of
the components in the meter and by using mathematical models provided