A1700

Direct Connected & CT Metering

The Power to Change...

A1700 Features The A1700+ offers outstanding measurement and
complex tariff capabilities for use in both industrial
• Direct connected, CT & CT/VT operated and commercial direct connected, CT and CT/VT
• Comprehensive tariff structure operated applications. The extremely successful
• 2 line, multilingual dot matrix display A1700 features have been enhanced to include
• Instantaneous instrumentation values extensive instrumentation monitoring and logging.
• 2 module slots for extended functionality The A1700+ can operate as a stand alone unit or as
• Extensive load profile data part of a comprehensive metering system.
• Accuracy Class 0.2s, 0.5s (CT only), 1 or 2
• High security design The meter features include a fully programmable
customer defined display and an optical port for
A1700+ Features local communications. Two slots are provided for
In addition to the A1700 features the addition of an input or output and a
• Instrumentation monitoring communications module. Load profile data can be
• Instrumentation load profiling stored for up to 900 days. As an alternative the meter
• Voltage imbalance detection can store 450 days of load profile and 370 days of
instrumentation profile data. Data stream mode
• Summation of 5 input values
communications allows up to 90 days of 30min
• 5 co-incident demand value
profile data to be collected in less than 30 seconds.
• 2 kVA registers
Communications modules can be RS232 or RS485.
Options A range of PSTN or GSM modems plug into a
• Up to 8 outputs module directly under the meter terminal cover.
• Interchangeable input/output modules An input module provides the ideal solution for
• Communication modules multi-utility metering. A module with battery can be
• Data stream mode communications provided to read meter data when power has been
• Transformer loss compensation removed from the meter. WindowsTM ‘Power Master
• Short terminal cover Unit’ software programs or reads the meter data.
• Display backlight The CT variant can be supplied to meet accuracy
• Read without power Class 0.2s, 0.5s, Class 1 or Class 2 and direct
• Auxiliary a.c. supply connected variant to Class 1 or 2 as per IEC
• Register zeroing facility standards
 Fully customer defined, multilingual

Measured Quantities Communications

kWh total import/export Local: IEC 62056-21 (formerly IEC 61107)
kvarh Q1, Q2, Q3, Q4 Remote: Interchangeable modules (RS232,
kVAh (2 calculated values) RS485 or customer specific)
3 customer defined registers -
Case
summation of up to 5 values
4 inputs for external meters (if fitted) Sealed flip-up lid:
• Conceals utility/reset pushbutton
• Provides for customers own information to be
Tariff Structure
securely added to the nameplate
32 Time of use registers
• Allows visual identification of modules fitted
8 Maximum demand registers (block or sliding)
Options
5 Co-incident demands
2 Sliding demands • ANSI communications port (optional)
12 Seasons • 9.5mm technical block (optional)
24 Season changeover dates
96 Switching times Technical Data
Current Range CT operated – 5-6A, 5-10A, 1-2A,
64 Exclusion dates 1-1.2A
The above may vary according to firmware version Direct connected - 10-100A (widest range)
Voltage Range 57.5 - 240V (3 phase 4 wire)
Programmable deferred tariff and display Frequency 100 - 415V (3 phase 3 wire)
50Hz or 60Hz
Data Storage Burden
Voltage Circuits (230V) Single element - 1.92W, 4.17VA
Programmable integration period Two/three element - 1.12W, 2.45VA
Load profile storage or instrumentation quantity Current Circuits CT operated – 0.12VA @ 5A/phase,
Demand & instrumentation integration periods 0.02VA @ 1A/phase
independently defined Direct connected – 0.2VA @ 100A/phase
Insulation 4kV RMS 50Hz
Impulse Withstand 12kV 1.2/50μs 50ohm source
Number of days based on 30min period, 1 channel Display 2 line, 16 character dot matrix
liquid crystal display
Measured load profile Instrumentation profile 8mm digits
900 0 Baud Rates 1200, 2400, 4800, 9600
450 0 Product Life 15 years
450 370 Certified Product Life 10 years (by Ofgem)
0 450 Temperature -20° to + 70° C (Operational range)
-25° to + 85° C (Storage)
Up to 36 sets of historical data Humidity Annual mean 75% (for 30 days spread
over one year, 95%)
Pulse Width / Value Programmable
Dimensions 279mm(high) x 170mm(wide) x
81mm(deep)
Weight 1500 grams
Specifications IEC 62052-11 and IEC 62053 -21, -22, -23
Case IP53 to IEC 60529:1989

Elster Metering Systems

Tollgate Business Park, Beaconside
Stafford, Staffordshire, ST16 3HS The company’s policy is one of continuous product improvement and the
United Kingdom right is reserved to modify the specification contained herein without notice.
Tel: +44 (0) 1785 275200
Fax: +44 (0) 1785 275300
www.elstermetering.com