NOE18-B Single Phase Keypad Electricity Meter

STS Standard · Keypad TOKEN Recharge · Prepaid Single Phase Metering

NOE18-B is an STS compliant, keypad type prepaid single phase electricity meter. It supports prepaid recharge by inputting TOKEN through the keypad, with built-in relay for automatic on/off control and three recharge solutions, anti-tamper design, widely used for single phase prepaid metering.

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Recharge Solutions

Keypad: input STS TOKEN through meter keypad
IC Card: IC card recharge (optional)
Remote: remote/APP recharge (optional)

Basic Functionality

Prepaid metering: built-in relay, auto cut-off when credit insufficient, auto restore after recharge
Active energy metering: accuracy Class 1.0
Low credit alarm: alarm when credit below preset value
Event recording: cut off, open cover, purchase, TOKEN
Anti-tamper: magnetic field auto trip, anti-open-cover

Features

STS Standard compliant

Keypad TOKEN recharge

Built-in relay automatic on/off control

Active energy metering, accuracy Class 1.0

Three recharge solutions

Low credit alarm

Event recording (cut off / open cover / purchase / TOKENS)

LCD display

Magnetic field protection (auto trip)

Anti-open-cover tampering

Class II insulation protection

Wide temperature operation (-25°C ~ +70°C)

Specifications

Model	NOE18-B
Type	Single phase keypad prepaid electricity meter
Nominal Voltage	230V
Working Voltage Range	70%~120% Un
Nominal Frequency	50-60Hz (50±5%/2%)
Basic Current (Ib)	5A
Maximum Current (Imax)	80A
Starting Current (Ist)	20mA
Active Energy Constant	1000 imp/kWh
Measurement Accuracy	Class 1.0
Power Consumption in Voltage Circuit	<2W / <8VA
Power Consumption in Current Circuit	<1VA
AC Insulation Strength	4kV @ 50Hz 1min
Impulse Voltage	8kV (1.2/50us)
Electrostatic Discharges (contact/air)	8kV / 16kV
Electromagnetic RF Field	27MHz-500MHz 10V/m; 100KHz-1GHz 30V/m
Fast Transient Burst Test	4kV
Insulation Protection	Class II
Operating Temperature Range	-25°C ~ +70°C
Storage Temperature Range	-40°C ~ +85°C