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CT3320Z Three Channel Magnetic Direct Resistance Instrument
This instrument can perform single-phase testing and three-phase simultaneous testing on three-phase transformer windings, and is suitable for rapid t
Product details
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The instrument has a large screen with 320240 LCD Chinese display, which is particularly suitable for continuous testing of multi tap on load switches without interruption. It provides dynamic prompts during the measurement process, automatic arc extinguishing current indication, and sound and light indication alarm. The test records can be edited, user information saved, and printed. It can simultaneously display the direct resistance of each node of a transformer with a tap changer and automatically calculate the unbalance rate, which can greatly shorten the measurement time and improve work efficiency. Can be equipped with data management software and tested directly through the upper computer operation. The saved file format is Excel or txt file format.
1．Classification Environmental Group: Belongs to Group III instruments in GB6587.1-86 "General Principles for Environmental Testing of Electronic Measuring Instruments" (which can be used in outdoor environments).
2. Structural form and size: portable
◇ Type: Portable
◇ Host dimensions: 410 × 320 × 185 mm
◇ Packaging: Aluminum alloy chassis
Quality: 10Kg
3. Power supply: ◇ Working power supply: voltage AC220V ± 10%, frequency 50Hz ± 10%
◇ Current output:
1) 10A model: Three channels: 5A+5A, 1A+1A
Single channel: 10A, 5A, 1A
2) 20A model: Three channels: 10A+10A, 5A+5A, 1A+1A
Single channel: 20A, 10A, 5A, 1A
4. Operating environment: ◇ Environmental temperature: -20 ℃~50 ℃
Relative humidity: ≤ 80%
◇ Working mode: air-cooled
5. Test indicators: ◇ Temperature: -55 ℃ to+125 ℃
Test range: 1m Ω~200 Ω
20A: 1m Ω~1 Ω (20A model)
10A：1mΩ～2Ω
5A：10mΩ～5Ω
1A：1Ω～200Ω
Accuracy: 0.2% reading ± 2 words
◇ Maximum resolution: 0.1 μ Ω
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