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FT – 12

Product catalog summary

Overview: The document provides technical specifications and features of the Capacitance and Power Factor Field Test Set Type FT-12 by Presco AG, designed for high voltage applications with a focus on precision and safety.

Specifications:

Screened HV Supply with ground capacitance lower than 1 pF.
Measurements adhere to IEEE Standard 62 for both grounded and ungrounded specimens.
Built-in standard capacitor of 100 pF, 12 kV, and automatic interference suppression.
Tan Delta uncertainty is 1 * 10^-4.
Consists of two lightweight units with a total weight of 50 kg.
Automatic C and Tan Delta measurement capabilities.
Data storage for up to 10 files with 50 records each, with RS232 interface for data download.

Optional Features:

Measurement of temperature and humidity.
Short circuit impedance measurement of transformers.
Resonating inductor, oil test cell, adapter for external standard capacitor.
Tan Delta calibrator and Partial Discharge unit for motors and generators.

Technical Details:

Maximal current through test object: 5 A; through standard capacitor: 30 mA.
Capacitance measuring range: 0.1 CN to 10,000 CN.
Dissipation factor range: 1 * 10^-4 to 10 (1,000%).
Voltage measurement range: 10 V to 1 MV (peak/√2).
Uncertainty of capacitance measurement: ± 0.1%.
Uncertainty of phase measurement: ± 0.1 mrad ± 1% of the displayed value.
Uncertainty of voltage measurement: ± 1% of range ± 2 digits.
Display options include capacitance in pF, nF, or F, and inductance in Henry, mH, H.
Measurement of frequency: 45 to 65 Hz.

Power Supply and Safety:

Input voltage: 230 V (optional 115V) / 50 or 60 Hz.
Output voltage: 0 to 230 V.
Protection features include interlock, handheld safety switch, and overcurrent protection.
Weight: approximately 22 kg (48.5 lbs) for the control unit and 28 kg (62 lbs) for the HV power supply.

Environmental Conditions:

Reference conditions: temperature 23°C ± 2°C, humidity 45 to 75%, altitude 101.3 kPa.
Rated range of use: temperature 5°C to 40°C, humidity 20 to 95%, altitude 70 to 106 kPa.

Catalog excerpts

• Measurements and operation according to IEEE Standard 62 • Screened HV Supply with ground capacitance lower than 1 pF • Measurement of Grounded and Ungrounded Specimens • Built-in Standard Capacitor 100 pF, 12 kV • Built-in Automatic Interference Suppression • Tan Delta uncertainty 1 *10-4 • Consists of two lightweight units (only 50 kg total) • Automatic C and Tan Delta measurement • Data Storage Feature : up to 10 files with up to 50 records each • RS232 Interface for data download • Options : Measurement of temperature and humidity; measurement of short circuit impedance of transformers; resonating inductor; oil test cell; adapter for ext. Standard capacitor; Tan Delta calibrator; Partial Discharge unit for Motors & Generators

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maximal current through test object maximal current through standard capacitor capacitance measuring range dissipation factor range voltage measurement uncertainty of capacitance measurement uncertainty of phase measurement uncertainty of voltage measurement 5 A 30 mA 0.1 xCn ... 10'000xCn 1x10-4... 10 (1 '000%) 10 V... 1 MV (peak/V2) ±0.1% ± 0.1 mrad ± 1% of the displayed value ± 1 % of range ± 2 digits Noise suppression (automatic) Measurement of frequency Data Storage Feature Incorporated Control Unit Input voltage Output voltage Protection Interface Capacitance in pF, nF or pF or inductance...

Open the catalog to page 2

FT – 12

FT – 12

Catalog excerpts

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