Multifunctional Electric Power Parameter Meter
Small size, easy installation, full functionality
STEC EM133 is a powerful DIN rail mounted intelligent multifunctional power parameter meter.
0.5s accuracy, LCD display, event and data recording with timestamp (built-in storage), standard RS485 communication and IR (expandable), 2DI/1DO, real-time clock with backup battery, 16 programmable control points and 4 counters.
Various expansion modules available, compatible with PM130/135 series.
- Commodity name： Multifunctional Electric Power Parameter Meter
- Commodity ID： EM133
- Product Description
- Summary
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Basic Functions
Multifunctional Three-Phase Meter
■ Voltage, current (including neutral line current), power, electric energy, power factor, frequency, current/voltage imbalance
■ Current range up to 200% (120% for 100A model)
■ Direct connection for currents 63A and below, no CT required
■ Sampling rate up to 128 points per cycle
■ 20ms data refresh
■ Overvoltage capability: 1kV (continuous), 2kV (1s)
■ Supports DC measurement with optional Hall effect sensor. Please contact us for details
Power Quality Analysis
■ Individual voltage and current harmonics (up to 40th order)
■ Voltage and current THDs, TDD, and k factor
■ Timestamped maximum/minimum values
■ Positive sequence/negative sequence/zero sequence component analysis
■ Waveform
Billing Meter
■ Accuracy surpasses 0.5s class
■ Multi-rate time-of-use (TOU) pricing
■ Calibration certificates available with ISO17025 and ILAC accreditation
Event/Data Recording
■ Event and data recording
■ Real-time timestamp
■ Up to 8M storage
Real-Time Clock
■ Built-in clock and calendar functions
■ Backup battery up to 2 years (battery easily replaceable by user)
Alarm and Control Functions
■ 16 programmable setpoints
■ 4 counters
Auxiliary Power Supply
■ Self-powered + auxiliary multi-purpose AC/DC power supply (85-265V AC, 88-290V DC)
■ Special (24-48V DC)
Communication Protocols
■ Standard RS485, optional second communication port (Ethernet, RS232/422/485, Profibus, CAN, GPRS, wireless RF)
■ Protocol options: Modbus RTU, ASCII, DNP3.0, Modbus/TCP, DNP3/TCP, Profibus DP, CANopen, IEC60870-5-101/104
■ Selectable baud rate, up to 115.2kbps (MODBUS)
Installation and Dimensions
■ DIN rail mounting
■ Weight: 0.53kg/1.2lbs
■ H*W*D: 90X125X68.5 mm / 3.5X4.9X2.7''
■ Expansion: up to one module
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Small size, easy installation, full functionality
STEC EM133 is a powerful DIN rail mounted intelligent multifunctional power parameter meter.
0.5s accuracy, LCD display, event and data recording with timestamp (built-in storage), standard RS485 communication and IR (expandable), 2DI/1DO, real-time clock with backup battery, 16 programmable control points and 4 counters.
Various expansion modules available, compatible with PM130/135 series.
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