Parts and accessories
Gas, liquid or electricity supply or production meters, including calibrating meters therefor. > Parts and accessories > Parts and accessories
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Subheadings
Products classified under Tariff item 9028.90
Battery Pack for AMR Electricity Meters
A lithium-thionyl chloride battery module that powers automatic meter reading (AMR) functions in smart electricity meters during power outages. This accessory is essential for maintaining data transmission and meter operation when the main power supply is interrupted, making it a dedicated part for electricity supply meters.
9028.90.00Calibration Test Port Adapter
A quick-connect adapter that provides pulse output access for verifying meter accuracy during field testing. This accessory is designed for use with various utility meters, including electricity, gas, and liquid meters, and is essential for calibration and verification procedures.
9028.90.00Data Retention Memory Module
An EEPROM memory module that stores 10-year load profile data in electricity meters, surviving power outages. This dedicated accessory ensures data retention and is crucial for the accurate recording of consumption history in electricity supply meters.
9028.90.00Digital Flow Meter Sensor Module
A replacement sensor module for gas and liquid flow meters used in utility billing systems, containing the electronic sensing element that measures flow rates. This part is dedicated to gas or liquid supply meters and is essential for their accurate operation.
9028.90.00Flow Conditioner Insert for Ultrasonic Meters
A perforated tube insert that creates fully developed flow profiles upstream of ultrasonic transducers in liquid or gas meters. This accessory improves measurement accuracy to ±0.5% and is essential for the proper functioning of ultrasonic meters.
9028.90.00Impedance Calibration Adapter for Meter Testing
A precision adapter used to calibrate electrical impedance in electricity supply meters during factory testing. This calibrating accessory ensures accuracy within 0.1% per ANSI standards and is dedicated to electricity supply meters.
9028.90.00LCD Display Assembly for Utility Meters
A replacement LCD screen and housing specifically for electricity and gas supply meters, displaying consumption data to end users. This part is dedicated to gas or electricity supply meters and is essential for user interface functionality.
9028.90.00Magnetic Coupling for Gas Meter Registers
A magnetic drive coupling that transmits rotation from the meter impeller to the register without seals, used in residential gas flow meters. This mechanical accessory is essential for the safe and accurate operation of gas supply meters.
9028.90.00Meter Register Gear Train Assembly
A precision gear train that transfers impeller rotation to cyclometer wheels in positive displacement water meters. This mechanical accessory has a 10 million count life expectancy and is essential for accurate measurement in liquid supply meters.
9028.90.00Optical Pulse Generator Disc
A precision encoded disc that generates light pulses proportional to meter register rotation for remote reading. This accessory is used in electricity and gas meters and provides 1000 pulses per revolution for accurate data transmission.
9028.90.00Pressure Sensor Transducer for Gas Meters
A solid-state pressure transducer that measures differential pressure in diaphragm gas meters for flow compensation. This accessory is essential for accurate gas supply meter operation, compensating for varying line pressures.
9028.90.00Tamper Detection Switch Assembly
A magnetic reed switch assembly that detects meter cover removal or magnetic tampering in utility meters. This security accessory is essential for electricity, gas, and liquid supply meters, triggering remote alarms when tampering is detected.
9028.90.00Temperature Compensation Probe
An NTC thermistor probe embedded in gas meter manifolds for automatic volume correction to standard conditions. This calibrating accessory ensures accurate gas supply meter readings with an accuracy of ±0.5°C over a -20 to 60°C range.
9028.90.00Valve Control Module for Smart Water Meters
An electronic actuator module that remotely controls shutoff valves in intelligent water supply meters for leak detection. This part is principally for liquid supply meters and integrates with AMI networks for remote monitoring and control.
9028.90.00Wireless Antenna Module for AMI Meters
An RF antenna specifically tuned for 900MHz AMI communications in smart utility meters. This accessory is essential for wireless data transmission in electricity, gas, and liquid supply meters, with a 3dBi gain and IP68 sealing.