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1. Purpose
HZDL-2000III Primary Current injection Tester is a test equipment developed by our company. It combines the advantages of similar products at home and abroad, adopts numerical control technology, and has strong anti-interference ability. Compared with the current booster, due to the use of a low-power, large-capacity, self-coupling voltage regulator and a converter made of a high-permeability iron core, it has the advantages of large output power, small size, and light weight. Mainly used for thermal relay, motor protector, contactor, circuit breaker, air switch, switch cabinet, circuit breaker, protection screen verification.
2. Performance characteristics
Use beautiful and generous PVC panel
Display the primary current directly, which is convenient for test observation and recording.
High measurement accuracy 0.5 level
High power, strong load capacity
3.Operation
(1) After the wiring is completed, check it again to see if there is a wiring error and whether the connector is in good contact.
(2) During the test, if there is any abnormal phenomenon such as sparking or no display when starting up, turn off the power immediately and recheck the wiring.
(3) During actual wiring, the current output terminal should form a loop, otherwise the instrument will not output current.
(4) The current booster is equipped with output wires; (The standard configuration is 12pcs of 3m test cables)
(5) The capacity of the equipment is designed for short-time work of 30 minutes, wait for 20 minutes before proceeding to the next work.
Technical features
1. Name and classification
(1) Name: HZDL-2000III Primary Current injection Tester
(2) Environmental group: it belongs to the group of instruments in the GB6587.1-86 "General Outline of Environmental Tests for Electronic Measuring Instruments" (that can be used in outdoor environments).
2. 1 Input voltage: AC 380 50Hz three-phase four-wire.
2. 2 power rate: 10KVA *3
2. 3 Output current: AC0~2000A steplessly adjustable, panel with digital display ammeter
2. 4 Output voltage: >5V
2. 5 Output Waveform: The output current is a standard sine wave with tiny burrs, which is better than the power system requirements and standards, and the ripple coefficient is less than 0.3%. Standard sine wave.
2. 6 Measurement accuracy: (using 0.2S grade material) is actually about 0.3; each current can be smoothly and continuously adjustable, and the accuracy is higher than 0.5 grade. The current and voltmeter display is a true effective value, with high accuracy and high stability.
2. 7 Output current mode: the true effective value is continuously adjustable;
2.8 Current stability: 0.2%
2.9 Structure: One
2.10 Wiring mode: as required
2.11 Protection settings: over-current, over-voltage
2.2 When the current is 2000A, the current injection time can reach 30 minutes
2.13 Can test the ratio and polarity of CT
2.14 The instrument has a timed emergency stop function
2.15 with wheels, movable
2.16 A B C three-phase can set different current output values for simultaneous output.
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