Multi-function Power Meter with LCD Display
IEC 62053-22
IEC 61557-12
The PM135 is a High-Performance Multifunction Three-Phase Power Meter designed for accurate monitoring of electrical parameters in industrial and utility applications. The Meter’s versatility and reliability make it ideal for integration in Utility Substations, Industrial Facilities, and SCADA-based Monitoring Systems. The PM135 features Flexible Input and Output (I/O) Options, Multiple Communication Ports, and Support for Industry-Standard Protocols to ensure seamless system integration. The Built-In LCD Display, combined with an LED Load-Bar Indicator, enables easy On-Site access to real-time Power Parameters and quick visualization of Load Percentage at a glance.
| Accuracy | |
|---|---|
| Class 0.5/0.5S accuracy per ANSI C12.20 / IEC 62053-22 | |
| Class 0.2 per IEC 61557-12 | |
| Power Meter | |
|---|---|
| Voltage, current (including neutral current), power, energy, power factor, frequency, voltage/current unbalance | |
| Ampere/Volt demand meter | |
| 25, 50, 60 and 400 Hz measurements | |
| Sampling frequency: 128 samples per cycle | |
| Variable Current Inputs | |
|---|---|
| 5A | |
| 1A | |
| HACS: special 40mA inputs for SATEC’s High Accuracy Current Sensors | |
| Shunt compatibility for DC metering | |
| RS5: Special 5A input for 5A clip-on HACS for retrofit installation on existing MV/HV CT secondary. | |
| Harmonic Analyzer | |
|---|---|
| Voltage and current THD, TDD and K-Factor, | |
| Voltage and current harmonic spectrum and angles, up to the 40th order harmonic | |
| Modular I/O | |
|---|---|
| 4 Digital Inputs + 2 digital outputs (SSR or EM) | |
| 12 Digital Inputs + 4 Digital Outputs (including additional com port of choice) | |
| 8 Digital Inputs | |
| 4 Analog Outputs (for Smart Transducer application) | |
| Programmable Logical Controller | |
|---|---|
| Embedded programmable controller | |
| 16 control set points; programmable thresholds and delays | |
| Relay output control (for alarm and protection) | |
| 1-cycle response time | |
| Communication Protocols | |
|---|---|
| Modbus RTU/TCP | |
| ASCII | |
| DNP 3.0/TCP | |
| IEC 60870-5-101/104 | |
| Power Supply | |
|---|---|
| Auxiliary multi-purpose AC/DC power supply (85-265V AC, 88-290V DC) | |
| Special versions (12, 24-48V DC) | |
| Meter Security | |
|---|---|
| Three-level Password security for protecting meter setups and accumulated data from unauthorized changes. | |
| Display | |
|---|---|
| 3×2” / 76x49mm backlit LCD display | |
| Adjustable display brightness and update rate | |
| Auto-scroll option with adjustable page; autoreturn to a default page | |
| LED bar-graph displaying load as percentage of | |
| nominal load current (user-definable) | |
| Programmable Logical Controller | |
|---|---|
| Embedded programmable controller | |
| 16 control set points; programmable thresholds and delays | |
| Relay output control (for alarm and protection) | |
| 1-cycle response time | |
| Power Supply | |
|---|---|
| Auxiliary multi-purpose AC/DC power supply (85-265V AC, 88-290V DC) | |
| Special versions (12, 24-48V DC) | |
| Communication Interfaces | |
|---|---|
| Built-in: | |
| Standard 2-wire RS-485 | |
| Add-on Com Modules (1 per device): | |
| Multipurpose RS-232/422/485 port | |
| ETH 10/100Base-T | |
| PROFIBUS | |
| Wi-Fi module | |
| Real Time Clock & TOU | |
|---|---|
| Clock and calendar functions | |
| Time-of-Use billing and logging: | |
| 4 totalization and tariff energy/demand registers x 8 tariffs, 4 seasons x 4 types of days, 8 tariff changes per day | |
| 2 year battery backup | |
| Mounting | |
|---|---|
| 92×92mm square | |
| 4” round cutout | |
| Current Input Rating Options | |
|---|---|
| 5A for CT secondary | |
| 1A for CT secondary | |
| 40mA input for HACS remote CTs | |
| RS5: 5A split core HACS remote sensor (50/60Hz only) | |
