ZGF DC: Precision, Safety, andReliabilityinHigh-VoltageMeasurement Applications

ZGF DC Micro-Meter: Precision, Safety, and Reliability in High-Voltage Measureme
      ZGF DC Micro-Meter: A Compact Solution for High-Accuracy Leakage Current Monitoring

Introduction
The ZGF DC Micro-Meter represents a breakthrough in compact high-voltage measurement instrumentation, designed to deliver exceptional performance in demanding industrial and laboratory environments. Combining advanced shielding technology with user-centric design, this device sets a new benchmark for precision, safety, and operational efficiency in micro-current detection systems.

Key Features

Ergonomic Arc-Shaped Design
Engineered with a patented curved housing to optimize operator grip and reduce fatigue during extended testing procedures. The streamlined form factor enhances portability while maintaining rugged durability.

Full HV Electromagnetic Shielding
Incorporates multi-layer composite shielding technology that achieves >60dB interference suppression, ensuring stable measurements even in environments with intense electromagnetic fields (e.g., substations or power transmission sites).

Intelligent Overvoltage Protection

Auto-triggered protection circuit for voltages exceeding 120% of rated capacity

Fast-response (<2μs) arc suppression technology

Self-recovery function post-fault clearance

Enhanced Operational Reliability

5000:1 impulse current withstand capability (per IEC 61010-1) 

Wide operational bandwidth: DC ~ 100kHz ±3dB

IP54-rated dust/water resistance

Technical Specifications

Measurement Range：0 - 1999μA (Auto-ranging)

Resolution：1μA

Basic Accuracy：±(0.5% of reading + 1μA)

Temperature Coefficient：<0.01%/°C (0-40°C operating range)

Humidity Tolerance：≤85% RH (Non-condensing)

Display：3.5" LCD with 4000:1 contrast ratio

Sampling Rate：10 readings/sec (max)

Power Supply：2×AA batteries (200h continuous operation)

Advanced Performance Characteristics

Auto-Zero Calibration: Maintains accuracy through periodic self-calibration cycles

Data Logging: Stores 10,000 records with timestamp and environmental parameters

Smart Alert System:

Visual (RGB LED) and audible alarms for threshold breaches

Predictive maintenance alerts based on historical data trends

Typical Applications

Insulation resistance monitoring in HV power equipment

Leakage current analysis for solar PV systems

Grounding system evaluation in telecom infrastructure

Biomedical equipment safety testing

Compliance & Certifications

Meets IEC 61010-1 CAT IV 600V safety standards

CE/EMC Directive 2014/30/EU compliant

RoHS3 (2015/863/EU) certified

Conclusion
The ZGF DC Micro-Meter redefines portable measurement technology through its fusion of military-grade protection mechanisms and laboratory-grade precision. Its unique combination of full HV shielding, intelligent protection algorithms, and ergonomic design makes it indispensable for professionals working in power utilities, industrial maintenance, and electrical safety inspection fields. With its industry-leading 0.5% basic accuracy and robust construction, this instrument delivers unmatched reliability in critical microcurrent measurement applications.

This technical article emphasizes the product's competitive advantages while providing comprehensive specifications for professional users. The structure follows international technical documentation standards, ensuring clarity for global audiences.