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BRAND : UNI-T
ITEM NO.: UT255C
ORIGIN : CHINA
FUNCTION : 1, MEASURE HIGH-VOLTAGE AC CURRENT; 2, MEASURE LOW-VOLTAGE AC CURRENT; 3, ON-LINE AC CURRENT MONITORING.
CURRENT MEASUREMENT RANGE : 0.00A~9999A (50/60HZ, AUTOMATIC); 0.01A (RESOLUTION); ±2%±5DGT
CONDUCTOR VOLTAGE RANGE : 60KV (OBJECT: BARE CONDUCTOR; INSULATION ROD EXTENDED)
VOLTAGE CLASS OF INSULATION ROD : 110KV
POWER SUPPLY : DC6V ALKALINE DRY BATTERY (1.5V AAA × 4)
TESTING MODE : NON-CONTACT U-SHAPED CT
TRANSFER MODE : 433MHZ WIRELESS TRANSFER;
TRANSFER DISTANCE : 100M.
SAMPLING RATE : 2 TIMES/S
SCREEN : 4-DIGIT LCD DISPLAY (WITH BACKLIGHT); 47MM×28.5MM
AUTO RANGE : √
DATA STORAGE : 99 SET
OVERLOAD INDICATION : THE SYMBOL “OL A” APPEARS.
NO SIGNAL INDICATION : THE SYMBOL “NO- -” IS DISPLAYED DYNAMICALLY
AUTO POWER OFF : AROUND 15 MINUTES
LOW BATTERY INDICATION : YES
INSULATION ROD VOLTAGE LEVEL : 110KV
INSULATION ROD SIZE : 1, Φ45MM, 2, LENGTH: 850 MM (RETRACTED); 3600 MM (EXTENDED)
PRODUCT DIMENSION : 1, METER : 107×252×31MM (W*H*L); 2, RECEIVER : 78×165×42MM, 3, CT SIZE: Φ68MM
WORKING ENVIRONMENT : -10°C~40°C; ≤80%RH
INTERFERENCE : AVOID INTERFERENCE FROM THE CO-CHANNEL SIGNAL OF 315MHZ AND 433MHZ
DIELECTRIC STRENGTH : AC 220KV/RMS (BETWEEN BOTH ENDS OF THE FULLY-EXTENDED HOT STICK)
STRUCTURE : ANTI-DRIPPING TYPE Ⅱ
ACCESSORIES : 1PCS METER; 1PCS RECEIVER; 1PCS ANTENNA; 1PCS INSULATION ROD; 1.5V AAA × 4PCS; 1PCS TOOLBOX
PRODUCT WEIGHT : DETECTOR: 235G (INCLUDING BATTERY); RECEIVER: 280G (INCLUDING BATTERY); TOTAL WEIGHT: 2300G (INCLUDING HOT STICK AND BATTERY)
. U-SHAPED FORK (EASY OPERATION)
. LARGE CURRENT MEASUREMENT (UP TO 9999A)
. WIRELESS TRANSMISSION (UP TO 100M)
. LARGE JAW SIZE (UP TO Φ68MM)
. LIGHTWEIGHT, RETRACTABLE INSULATION ROD (UP TO 3.6M)
. DATA STORAGE
THE UT255C LARGE CURRENT FORK METER IS SPECIFICALLY DESIGNED AND MANUFACTURED TO MEASURE HIGH-VOLTAGE CURRENT(AC 0.00A~9999A). ITS INNOVATIVE U-SHAPED CLAMP, WHICH FEATURES A BREAKTHROUGH IN THE CONVENTIONAL STRUCTURE, MAKES ON-SITE MEASUREMENT EFFORTLESS.
THE UT255C LARGE CURRENT FORK METER IS EXTENSIVELY EMPLOYED IN VARIOUS SETTINGS, INCLUDING SUBSTATIONS, POWER PLANTS, INDUSTRIAL AND MINING ENTERPRISES, DETECTION STATIONS, AND ELECTRICAL SERVICING DEPARTMENTS.
| Item Code | UNITUT255C |
|---|---|
| Barcode | 6935750525555 |
| Brand | UNI-T |
The UNI-T UT255C Large Current Fork Meter is a professional high-voltage AC current measuring instrument designed for electrical power systems, substations, power plants, industrial facilities, and electrical maintenance applications. With its innovative U-shaped non-contact current transformer, the UT255C allows users to measure high current without directly disconnecting or interrupting the conductor.
The meter can measure AC current from 0.00A up to 9999A and features a large 68mm fork opening for accommodating large conductors. Its wireless transmission system provides up to 100 metres of transmission distance, allowing the operator to view measurements remotely on the supplied receiver.
The UT255C is supplied with a lightweight, retractable 110kV insulation rod that can extend up to 3.6 metres. This combination of non-contact measurement, wireless data transmission, large current capacity, and insulated hot-stick operation makes the UT255C suitable for demanding high-voltage electrical inspection and maintenance work.
The main purpose of the UNI-T UT255C wireless fork meter is to safely measure and monitor AC current in high-voltage electrical systems without requiring direct electrical contact with the conductor. The U-shaped current transformer allows technicians to position the meter around the conductor and obtain a current measurement.
The UT255C is especially useful where conventional clamp meters may be difficult to operate because of large conductors, high voltage, or restricted access. Its insulated extension rod and wireless receiver allow the operator to perform measurements from a safer working distance.
Important: The UT255C is intended for professional electrical measurement. High-voltage systems can be extremely hazardous. Always follow the manufacturer's operating instructions, local electrical safety regulations, required approach distances, and appropriate personal protective equipment. The insulation rod rating must not be treated as permission to exceed the specified working conditions.
The UNI-T UT255C is a strong choice for professional high-voltage current measurement because it combines a large current capacity with a non-contact U-shaped fork and wireless measurement transmission. Instead of relying on a conventional narrow clamp design, its 68mm fork opening makes it easier to work around larger conductors.
The supplied 3.6m retractable insulation rod provides additional operating distance for applicable high-voltage measurement tasks. The wireless receiver further improves convenience by allowing measurement readings to be viewed remotely.
With up to 9999A AC current measurement, automatic ranging, data storage, backlit display, overload indication, and a portable design, the UT255C provides a practical solution for routine electrical inspection, maintenance, troubleshooting, and current monitoring.
The UNI-T UT255C is intended for professional users involved in high-voltage electrical inspection, maintenance, testing, and monitoring.
The UNI-T UT255C is a professional wireless large-current fork meter designed for measuring and monitoring AC current in high-voltage electrical systems, substations, power plants, industrial facilities, and electrical maintenance applications.
What is the maximum current measurement of the UT255C?The UT255C can measure AC current up to 9999A, making it suitable for large-current electrical measurement applications.
What is the fork opening size of the UT255C?The UT255C has a large 68mm U-shaped fork opening designed to accommodate large electrical conductors.
Is the UT255C a non-contact current meter?Yes. The UT255C uses a non-contact U-shaped current transformer to measure AC current without direct electrical contact with the conductor.
How far can the UT255C transmit measurement data wirelessly?The UT255C uses 433MHz wireless transmission and provides a transmission distance of up to 100 metres under suitable conditions.
What is the insulation rod length of the UT255C?The supplied insulation rod can be retracted to approximately 850mm and extended up to 3.6 metres.
What is the voltage rating of the UT255C insulation rod?The insulation rod has a stated voltage class of 110kV. Users must follow the manufacturer's specified working conditions and applicable electrical safety requirements.
Can the UT255C measure low-voltage AC current?Yes. The UT255C supports high-voltage AC current measurement, low-voltage AC current measurement, and online AC current monitoring applications.
Does the UT255C have data storage?Yes. The meter can store up to 99 sets of measurement data for later review and record keeping.
Does the UT255C have an LCD backlight?Yes. The UT255C features a 4-digit LCD display with backlight for improved readability in different working environments.
Does the UT255C have automatic ranging?Yes. The UT255C features automatic range selection to simplify current measurement.
Where can the UNI-T UT255C be used?The UT255C can be used in substations, power plants, industrial and mining enterprises, detection stations, electrical service departments, and other suitable high-current electrical measurement environments.
Is the UNI-T UT255C suitable for professional electrical maintenance?Yes. Its large 68mm fork, 9999A current measurement capability, wireless transmission, retractable insulation rod, and data storage make it suitable for professional electrical inspection, maintenance, and troubleshooting applications.
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