STE38-G GPRS

Three Phase DLMS Smart Electricity Meter

The meter works with a plug-in module for DLMS/COSEM compliant data collection and network communications. This modular design enables utility to select from PLC/RF/GPRS/3G and 4G LTE cellular data networks according to local conditions at low cost. Upgrade and maintenance will also become cost-effective by replacing the modules only instead of the entire meter.

Technical Parameters

Electrical Parameters

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 400imp/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

Operation Temperature Range -25℃-70℃

Storage Temperature Range -40℃-85℃

Electro Magnetic Compatibility

AC Insulation Strength 4kV at 50Hz during 1min

Impulse voltage 1.2/50 us mains connections 8kV

Electrostatic Discharges

Contact discharge 8kV

Air discharge 16kV

Electromagnetic RF Field 27MHz-500MHz 10V/m

100KHz-1GHz 30V/m

Fast transient burst test 4kV

Mechanical requirements

Meter shell Water proof protection Rate IP54

Protection Class II

Basic Functionality

Function

Prepayment: STS Standard, recharge by input 20digits TOKEN

Low credit alarm: Alarm value can be set by inputting corresponding TOKEN

Prepaid and post-paid switch: Meter can be switch to prepaid mode or post-paid mode

Load control function: Meter can be programmed for load control threshold, If the current power is more than threshold. The meter will cut off user load.

Event recording: Meter can record the tamper event, open cover event, purchase event and TOKENS.

Self-testing: Meter has a self-test function, it can test LCD and relay etc. and report the results directly

Anti-tamper: Meter will automatically close the valve after detection of magnetic field and open cover event

TOU Tariff: TOU Tariff can be set by inputting corresponding TOKEN

Overdraft Collection: Electricity Overdraft can be collected day by day or month by month

Communication: The meter is available with AMI system through LORA RF or Bluetooth 4.0 on request

Information Inquiry: Consumer could check the data like Credit Remain, Total Purchased and Total Credit by input the short code

GPRS Module

Frequency band Gsm850 / egsm900 / DCS 1800 / PCS 1900

automatic frequency band search

sensitivity <-108dbm

Maximum

transmission power GSM850/EGSM900 Cl as s4 (2W)

DCS1800/PCS1900 Classl (1W)

Phonological

characteristics It supports call, recording and playback functions, and

can directly drive 8 Ω speaker

Short message Support PDC mode and text mode,

support receiving and sending SMS and new SMS reminder

Support SMS Management: read, delete, storage

location and method, SMS list

GPRS features GPRS data downlink: up to 85.6 Kbps

GPRS data uplink: up to 85.6 Kbps coding format: cs-i, CS-2, CS-3 and CS-4

support Pap (password authentication protocol) protocol commonly used for PPP connection embedded protocol: TCP / UDP / ftp / PPP support packet broadcast control channel (pBCC)

Antenna

characteristics 50 Ω characteristic impedance

working

temperature -40 ℃ ~+85℃

Storage

temperature of ochre -40 ℃ ~+90℃

Working

power supply 5V/2A

Instantaneous

current Max 2.0A

Power saving

mode power consumption

1.40mA@DRX=2

1.14mA@DRX=5

1.03mA@DRX=9

CART 2 ordinary serial port, one upgrade debugging serial

port

SP I YES

I2C YES

Founded in 2007, Hunan Stron Smart Co., Ltd is the leading supplier of smart meters in China. There are 500 employees in our company including 100 technical engineers, and 100 people with professional title. We are devoting ourselves to be the intelligent product service provider.

In China, we have more than 10 million meters running in State Grid of China, which is the biggest utility in the world. All these meters are performing very well. Our production capacity is 8million smart meters per year. And a workshop only working for overseas’ order to guarantee the delivery time and quality control.

Stron owns a strong technical team comprised of industry professional engineers and eminent experts and has applied for over 100 patents and intellectual property rights, and a number of its products and technologies have won the national, provincial and municipal awards.