HF-MT-504 Three Phase Power Meter

Overview – Three Phase Power Meter

The Three‑Phase Power Meter  is a high‑precision multi‑parameter measuring instrument designed for electrical performance test of motors, household appliances, power supplies and transformers. It measures three‑phase voltage, current, power, power factor and cumulative energy, equipped with power‑off memory, data hold and optional RS232 PC communication. Compact and portable, it suits both laboratory evaluation and on‑site commissioning for diverse electrical equipment.

Application Fields

• Motors: Rotating motors
• Household Appliances: TV sets, refrigerators, air‑conditioners, washing machines, electric blankets, chargers
• Power Tools: Electric drills, plasma cutters, grinders, polishers, electric welders, etc.
• Lighting Equipment: Street lamps, stage lights, hand lamps and various lamps
• Power Supplies: Switch‑mode power supplies, AC power supplies, DC regulated power supplies, variable‑frequency power supplies, communication power supplies, power components
• Transformers: Power transformers, audio transformers, pulse transformers, switch‑mode power transformers

Performance Features

1. High‑measurement accuracy, wide measuring range and fast response speed.
2. Supports separate display of single‑phase voltage, current and power, as well as simultaneous three‑phase parameter display for flexible operation.
3. Power (energy) display function; energy data auto‑saves upon power‑off.
4. Communication function: displays all three‑phase parameters on PC screen for complete and intuitive data viewing.
5. Power‑off memory function: retains pre‑power‑off settings and measured data.
6. Data hold function for convenient observation and recording.
7. Energy reset function for easy energy metering.
8. Compact appearance, easy to carry and operate.

Technical Specifications

Item
Voltage Range	0 ~ 600 V
Current Range	0 ~ 40 A
Power (P)	Single‑phase: 0‑24 kW; Three‑phase: 0‑41.5 kW
Power Factor (PF)	‑1.000 ~ +1.000
Test Frequency	45 Hz ~ 65 Hz
Accumulated Energy Range	0 ~ 1000 kWh
Communication	RS232 (Optional)
Measurement Speed	2 times / second
Basic Accuracy	±0.4% reading ±0.1% range ±1 digit
Operating Environment	0 ℃ ~ 40 ℃, 20RH ~ 85RH
Power Supply	AC220V±20%, 50/60Hz
Dimensions	305×235×120 mm
Weight	3 kg
Accessories	Power cord, upper‑computer software

FAQ — Three Phase Power Meter

Q1: What types of equipment can this three‑phase power meter test?

A1: It is applicable for motors, household appliances, power tools, lighting fixtures, various power supplies and transformers, covering laboratory and on‑site performance measurement.

Q2: What electrical parameters can it measure?

A2: It measures three‑phase voltage, current, power, power factor and accumulated energy. It supports separate single‑phase display and simultaneous three‑phase parameter display.

Q3: What is the measurement accuracy and update speed?

A3: Basic accuracy: ±0.4% reading ±0.1% range ±1 digit. Measurement speed reaches 2 times per second for fast data acquisition.

Q4: Will test data be lost after power‑off?

A4: No. It has power‑off memory function, which automatically saves energy data and retains previous settings and measured readings when power is cut off.

Q5: How to export or view measured data on PC?

A5: Optional RS232 communication is available. Connect to upper‑computer software to view all three‑phase parameters on PC screen for complete data observation.

Q6: What are the special convenient operation functions?

A6: It supports data hold for easy reading and recording, as well as energy reset function to start a new round of energy metering.

Q7: What are its working conditions?

A7: Powered by AC220V±20%, 50/60Hz. Works under 0‑40 ℃, relative humidity 20%‑85%. Compact and lightweight for easy carrying.