Complete Using Tutorial for GF211D Portable Phase Voltmeter

The GF211D digital phase meter features comprehensive environmental adaptability to handle complicated testing surroundings ranging from outdoor open-air substations to damp underground mining workshops. It operates steadily within -10°C to +50°C and tolerates non-condensing humidity between 5% and 95%, without accuracy drift under temperature fluctuation. High input impedance for voltage channels avoids signal attenuation on thin secondary wiring, while magnetic shielding inside the dual current clamps suppresses interference from surrounding inverters and heavy motors. Users can utilize the built-in data hold function to lock transient abnormal electrical signals for analysis. The complete shockproof portable storage case neatly holds the main unit, clamps, insulated cables and documents, convenient for vehicle transportation and frequent site transfers between multiple construction sites.

Browse full accessory packing lists and technical calibration information on our official product page:

https://www.gfuvegroup.com/protection-relay-tester/600v-20a-intellignet-digital-phase-angle-meter.html

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GF211D Dual-Clamp Digital Phase Tester for On-Site Power Measurement

 The GF211D is a lightweight handheld dual-clamp phase tester, professionally developed for on-site electrical inspection and maintenance tasks. It delivers precise measurement of AC voltage (0–600V), AC current (0–20A), phase angle (0–360.0°), frequency, active and reactive power, as well as power factor. Fitted with two external clamp sensors, the device enables non-invasive current testing without wire disconnection, greatly simplifying field operation.

This smart electrical measuring instrument supports multiple practical detection functions, including discrimination between inductive and capacitive circuits, three-phase sequence verification, transformer connection inspection, phase relation analysis for differential protection, and wiring correctness validation. Adopting a high-definition 3.5-inch color LCD screen, it boasts 0.5% high measurement accuracy and an IEC-compliant isolated safety structure. Weighing merely 0.45kg and built with portability in mind, it can store up to 500 groups of measurement data. Suited for rigorous industrial scenarios, this tester is extensively applied in substations, power plants, manufacturing factories, mines and petrochemical industries to conduct efficient, secure and dependable on-site electrical testing.

GFUVE GF211D Portable Digital Dual-Channel Phase Tester

 The GFUVE GF211D is a lightweight handheld two-channel phase measuring instrument, tailored for reliable and speedy on-site electrical inspection tasks. Fitted with two clip-on current sensors, it realizes non-stop live line testing with no need to cut off circuits. It can precisely measure AC voltage, alternating current, phase difference, frequency, active power, reactive power as well as power factor.

Built with safe isolated input design, it adopts a 3.5-inch vivid color LCD screen for intuitive data reading. It boasts 0.5-level high measuring accuracy and can save up to 500 sets of test data. This device can easily distinguish inductive and capacitive loads, judge three-phase phase sequence, inspect transformer wiring status, confirm electric energy meter wiring correctness, and analyze phase relations of CT differential protection systems.

Lightweight at merely 0.45 kilograms and driven by rechargeable 9V lithium battery, this sturdy tester complies with IEC safety standards. It is widely applied in substation installation acceptance, daily power equipment maintenance, industrial electrical detection and on-site fault diagnosis for electric power, machinery manufacturing, petrochemical and other industries.

GFUVE Handheld Phase Angle & Voltage Meter – 3.5 Inch Color Screen

 Equipped with a high-brightness 3.5-inch color LCD screen, this GFUVE digital phase angle voltmeter presents sharp and legible measurement data, perfectly visible even in dim outdoor working conditions. It integrates the functions of a voltmeter, ammeter, phase angle meter and power parameter tester into a compact handheld device, enabling 0–360.0° full-range phase measurement among dual voltage, dual current, and voltage-current signals.

It adopts two clamp sensors to realize non-contact current sampling, allowing safe live-line inspection without cutting off any wiring. Built with high-precision circuitry, it achieves an accuracy of 0.5% for voltage, current, phase angle, frequency, active/reactive power and power factor. The large display intuitively shows vector diagrams, real-time measured values and analysis results, while built-in memory for 500 data groups facilitates on-site record keeping and subsequent data review.

Featuring a lightweight portable body, rechargeable battery supply and IEC safety certification, this all-in-one measuring instrument is an optimal choice for substation maintenance, power engineering projects, industrial electrical checks and field fault diagnosis.

GF211D Dual-Channel Digital Phase Angle Meter – Wiring Instructions

The GF211D digital phase angle meter is engineered for safe, convenient, and high-reliability on-site phase measurement. Designed with dual voltage input terminals (U1, U2) and dual clamp current inputs (I1, I2), the instrument enables live-line testing without cable stripping or power shutdown, ensuring efficient and non-destructive field wiring.

It supports three mainstream wiring measurement modes: voltage-to-voltage phase testing, current-to-current phase testing, and voltage-to-current phase testing, covering most conventional power inspection scenarios. With clearly marked terminals, quick-connect cables, and non-contact current clamps, the device simplifies wiring procedures while lowering operational risks.

Integrated with automatic phase recognition, a high-definition LCD display, and reliable overload protection, the GF211D delivers stable and repeatable test data with minimal manual intervention. Even operators with limited experience can complete accurate phase detection effortlessly. Ideal for substation relay commissioning, transformer wiring verification, and industrial electrical maintenance, this phase angle meter serves as a practical and dependable tool for daily power field testing.

Digital Smart Phase Angle Meter – 0 to 360.0 Degree Full Range Measurement

This intelligent handheld phase angle meter provides accurate phase difference measurement across 0–360.0°. It is applicable to dual voltage, dual current, and voltage-current combined testing in live power systems. Equipped with dual clamp sensors, it allows safe and non-intrusive measurement without cutting off any wiring.

The device integrates high-precision testing of AC voltage, current, frequency, as well as active power, reactive power and power factor. It can automatically distinguish inductive and capacitive circuits, identify phase sequence, and verify wiring connection correctness. Fitted with a 3.5-inch color LCD screen for clear data viewing, it supports storage of up to 500 data sets for on-site recording and subsequent offline analysis.

Boasting 0.5% measurement accuracy, a portable and durable body design, IEC safety certification and battery-powered operation, this instrument is ideal for substation maintenance, industrial electrical inspection, power project commissioning and on-site fault diagnosis.

GF211D 20A/600V High Precision On-site Phase Angle Meter

GF211D is a lightweight and portable handheld phase angle meter, specially developed for quick and safe field measurement tasks.It adopts non-contact dual-clamp current sensing and dual-channel voltage measurement, capable of precisely detecting phase angle, voltage, current, frequency and related power parameters.

Equipped with a 3.5-inch color screen and featuring 0.5% high measurement accuracy, the device runs on built-in battery with easy portability.It is widely applicable for substation commissioning, industrial equipment maintenance and various on-site electrical inspection work.