ADVANCED ELECTRONIC
CORRECTOR
AdEC ADVANCED ELECTRONIC CORRECTOR
AdEC is a new generation of Electronic Volume Corrector that offers increased service-free life, compact design, enhanced data
collection, reliable communication capability including Modbus protocol, high measurement accuracy, newest micro-power
electronics, and user friendly software. AdEC provides peace of mind by being a part of gas measurement applications.
AdEC FEATURES
Large, easy to read LCD, 8 digits/characters, 14 segments
semi alpha-numeric
Rugged fiberglass EMI/EMC protected enclosure
Multiple level of security ensure the integrity of the gas
measurement
- Password protection
- Sealable program access switch
- Seal/padlock latch
Non-volatile EEPROM memory protects the integrity of
the gas registration by storing parameters, alarms, audit
trail data, set-up configuration
Mechanical backup counter (meter mount version only)
Gauge pressure displayed to facilitate field accuracy
inspections
Universal mounting for most gas meter instrument drives
(meter mount version)
RS 232 Serial communication port
Romet and Modbus communication protocol
supported
Software is supported by Windows XP or higher
Most of parameters configurable by software
Single scroll button to view key parameters quickly
Hayes
compatible
modem
communication
implementation
Full audit trail:
- Interval records store up to 409 days of hourly readings
- Configurable, 1024 daily records
- Alarm logger (101 records stamped with the time and
date)
- Event logger (200 records) stores any changes to the
set-up or calibration
PERFORMANCE DATA
Correction
PTZ with Life or Fixed supercompressibility
P only
T only
Configuration
NX19, AGA8 or SGERG88 supercompressibility method
Imperial or metric
Meter mount or remote mount
Accuracy
Combined error 0.5% typical
Power
Alkaline battery rated for up to 7 years
Lithium (sealed pack) rated for up to 10 years
Backup battery or supercap to retain data during main
battery disconnection
Standard operating temperature range:
- Lithium : -40F to 158F (-40C to 70C)
- Alkaline: -22F to 122F (-30C to 50C)
Temperature Sensor
Standard measurement range: -40F to 122F (-40C to
50C)
Highly stable solid-state sensor
Standard probe length of 4.5 (110mm)
Standard (armored optional) cable length of 6 feet
(1.83m)
Resolution: 0.2F (0.11C)
Error 0.5F (0.3C) typical, 0.9F (0.5C) max.
1 or 3 points of calibration
Pressure Sensor
Strain gauge type
Absolute measurement
NPT bulkhead connection on the enclosure
5 point calibration
Error less then 0.2% for reference conditions
Pressure Ranges Standard
Imperial (psia)
10 to 50
20 to 100
50 to 200
100 to 500
200 to 1000
Metric (kPa)
(Bar units on request)
100 to 500
650 to 3200
150 to 700
1500 to 7000
250 to 1200
Other ranges on request
Pulse Outputs
Unconverted, converted and alarm
Opto-isolated, form A (25V DC maximum, 2mA)
Pulse width of 50ms
Multipliers:
Imperial: x1cf, x10cf, x100cf, x1000cf, x10000cf
Metric: x0.01m, x0.1m, x1m, x10m, x100m
Input Multipliers
LF reed switch
Reverse flow detection (meter mount version)
Multipliers:
Imperial: x1cf, x5cf, x10cf, x100cf, x1000cf, x10000cf
Metric: x0.01m, x0.1m, x1m, x10m, x100m
Safety Standards
Intrinsically safe Class I Division 1 & 2 Group D,
CSA LR59221
Physical Characteristics
Dimensions (including connectors):
Meter mount:
H 8.27 x L 7.56 x W 4.33 (210mm x 192mm x 110mm)
Remote mount:
H 7.17 x L 7.56 x W 4.33 (182mm x 192mm x x110mm)
Weight: 4.95 lbs/2.25 kg (meter mount)
4.73 lbs/2.15 kg (remote mount)
The values quoted are typical of normal production. They do not constitute a specification. Romet reserves the right to change any information in this literature without notice. All of the information and data in this literature has been
carefully compiled and thoroughly checked. However, no responsibility for any possible errors or omissions can be assumed. Romet holds the rights to the material presented in this literature and to the names of Romet and AdEC
September 2014, Rev. 6
