I. Basic Overview Parameters
Item Parameters
Model ME435
Type Three-phase handheld meter
Supported current sensor Voltage output type current clamp, Rogowski coil
Supported wiring system Three-phase four-wire, three-phase three-wire, one-phase two-wire (L-N), one-phase two-wire (L-L), one-phase three-wire (L-L-N)
Harmonic measurement Maximum 52nd harmonic
Application areas Power analysis, energy measurement
Display screen 3.5-inch TFT screen, resolution 320*480
Dimensions (LWD) 21.5 × 103.5 cm
Weight 350g
Color Blue-black

II. Current Input Specifications
Table Item Parameters
Primary current setting 0.1A～9999A
Input voltage 1/2²⁵mV～333mV
Overload capacity 600mV, 10s/hours

III. Power Supply and Power Consumption
Table Item Parameters
Built-in power supply 4 AA (5 Battery (size 1) provides approximately 7 hours of continuous operation.
External power supply: 5~9V DC.
Screen power consumption (always on): 1100mW.
Screen power consumption (off): 900mW.
IV. Terminal Types
Table: Interface Terminal Type
Current Input: BNC
Voltage Input: Banana connector
DC Power Supply: Type-C

V. Measurement Function Parameters
1. RMS Measurement
Voltage: UA, UB, UC and average value
Current: IA, IB, IC and average value
Power: Active/reactive/apparent power of each phase and the sum of the three phases
Energy: Active/reactive/apparent energy of each phase and the sum of the three phases (automatic zeroing after exceeding 999.9GWh)
Harmonics: Total harmonics of voltage/current, configurable harmonics of X/Y/Z/V/W
Angles: Line voltage phase angle, current phase angle
Power Factor: Power factor including harmonics of each phase and the average of the three phases, fundamental power factor
2. Maximum and Minimum Values ​​and Unbalance
Maximum value / Minimum values: Voltage and current averages for each phase and three phases; power for each phase and total.
Unbalance: Voltage and current at the most unbalanced point for each phase and three phases.
3. Demand / Maximum Demand
Current: Average values ​​for each phase and three phases.
Power: Active / Reactive / Apparent power for each phase and total.
4. Data Refresh Rate
Data refresh rate: 500ms

VI. Data Recording and Storage
Table Item Parameter Recording interval 1~9999s (default 60s)
Data format .csv Storage medium card, default 1GB, maximum support 4GB Storage duration 2 years (1GB card, 1 time / 60s)
Default storage interval 1 minute Recording content Meter serial number, timestamp; RMS voltage/current and harmonics, frequency, power factor; Active / Reactive / Apparent power, energy; Current / Power demand and maximum demand, etc.

VII. Standard Accessories (Voltage Clips)
Rated parameters: CATII 1000V, Max. 32A
Insulator: PA
Color: Yellow-green-red-black
Features: High reliability, high stability, economical and practical