NOE38-M Prepaid Keypad Three Phase Dual Source Electricity Meter
Prepaid,STS,Keypad,Dual Source,Three Phase

NOE38-M Prepaid Keypad Three Phase Dual Source Electricity Meter

Dual Source Metering · Grid & Generator · Keypad TOKEN Recharge · IP54 Waterproof

NOE38-M is an STS compliant, keypad type prepaid three phase dual source electricity meter. It supports prepaid recharge by inputting 20-digit TOKEN through the keypad, with built-in relay for automatic on/off control. It meters the consumption of both Grid and Diesel Generator with generator auxiliary contact input for automatic tariff detection, switching between Grid and Generator automatically with separate billing. Widely used for prepaid metering and power management in dual source power supply scenarios.

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Dual Source Measurement

  • Dual metering of Grid and Diesel Generator
  • Generator auxiliary contact input for automatic generator tariff detection
  • Separate billing between Grid and Generator
  • Auto decrypt recharge codes from different sources and top up into separate balance

Recharge Solutions

  • Keypad: input 20-digit STS TOKEN through the keypad
  • Vending Software: recharge via Novizexpay vending software (web-based / server version; standalone version unsupported for dual source), integrated to local Mobile Money Payment Platform via API (M-PESA, Alipay, MTN, Airtel, etc.)
  • Mobile Payment: recharge via third party platform or local mobile payment with API

Basic Functions

  • STS standard and protocol compliant
  • Prepaid metering: built-in relay automatic on/off control
  • Active energy measurement: accuracy Class 1.0
  • Reactive energy measurement: accuracy Class 2.0
  • Real-time clock and low credit alarm
  • Event log, data can be stored for 10 years
  • Information inquiry: check Residual Credit, Total Purchased and Total Credit by short code
  • IP54 waterproof

Anti-Tamper

  • Magnetic field anti-tamper protection
  • Meter will automatically close the switch after detection of magnetic field or open cover event, and works normally after inputting clear TOKEN

Communication

  • LORA-RF module available for AMI system communication on request

Features

STS standard and protocol compliant
Dual source measurement: automatic switching between Grid and Generator
Separate billing between Grid and Generator
Auto decrypt recharge codes from different sources into separate balance
Generator auxiliary contact input
20-digit TOKEN keypad recharge
Built-in relay automatic on/off control
Active energy measurement, accuracy Class 1.0
Reactive energy measurement, accuracy Class 2.0
Real-time clock and low credit alarm
Event log, data stored for 10 years
IP54 waterproof
Magnetic field anti-tamper
Anti-open-cover tampering (auto trip)
Mobile payment recharge (M-PESA, Alipay, MTN, Airtel, etc.)
LORA-RF module supported for AMI system

Specifications

Model NOE38-M
Type Prepaid keypad three phase dual source electricity meter
Nominal Voltage 3×230V
Working Voltage Range 70%~120% Un
Nominal Frequency 50-60Hz
Basic Current (Ib) 10A
Maximum Current (Imax) 100A
Starting Current (Ist) 30mA
Active Energy Constant 400 imp/kWh
Active Energy Accuracy Class 1.0
Reactive Energy Accuracy Class 2.0
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
Protection Degree IP54
Communication LORA-RF (optional, AMI system supported)
Operating Temperature Range -25°C ~ +70°C
Storage Temperature Range -40°C ~ +85°C