Inhemeter DTZ1513 CT/VT meter
 
The Inhemeter DTZ1513 CT/VT Connection Smart Meter is a high-precision, multi-functional three-phase meter designed to meet the demands of power plants, substations, large industries, and commercial entities. With its modular design, advanced features, and flexible communication capabilities, it delivers accurate energy measurement and enhances operational efficiency for large-scale energy management.
 
 
Specifications
Reference Voltage
3x230/400V, 3x57.7
Operational voltage 
80%Un-120%Un
Maximum switching voltage
>440V
Maximum withstand voltage
Phase-to-Phase / Phase-to-Neutral: 6 kV, 50 Hz
Phase-to-Earth: 3 kV, 50 Hz
Current
1(10)A
Frequency
50Hz
Standards
Meets IEC standards: IEC 62052-11, IEC 62053-21, IEC 62053-22, IEC 62053-23, IEC 62029, IEC 61000 series
Fully supports interoperability standards such as DLMS and COSEM
Accuracy Class
Active Energy: Class 0.2S or 0.5S
Reactive Energy: CL 2.0    
Impulse: 10,000imp/kWh and 10,000imp/kVarh
Environment
Operating Temperature: -40℃ - +80℃ 
Designed to handle high altitudes (<3500m) and harsh conditions.
Ingress Protection
IP54
Electrostatic discharge (ESD)
Constant discharge: ±8 kV
Air discharge: 15kV, IEC 61000-4-2
Communication Interface
Built-in infrared and RS485 port, with optional GPRS/3G modem.
Compliance with DSML/COSEM and IEC 62056 protocols for secure and reliable exchange.
Measurable Series
Active Power
Reactive Power 
Apparent Power
Power Factor
Import / export Energy
Display
LCD (Liquid Crystal Display)
- Active energy (kWh)
- Reactive energy (kVARh)
- Apparent energy (kVAh)
- Voltage per phase (V)
- Current per phase (A)
- Frequency (Hz)
- Power factor
- Import / Export energy
- Date & Time
- Tariff registers
Tariffs
Up to 8 Tariffs i.e:
Time of Use
Seasonal Tariffs
Import/Export Tariff
Mode
Postpaid only