Huazheng HZ-109S 1000A Primary Current Injection Tester

The HZ-109S integrates ARM chip control technology and a high-capacity toroidal transformer, featuring an LCD display for real-time monitoring of primary current, secondary current, turn ratio, and stopwatch timing (electric potential). Encased in an aluminum alloy frame with a PC panel, this compact, lightweight device combines robust output capacity with a sleek design. It is ideal for CT turn ratio testing, contact resistance analysis in power systems, and high-current applications.

2.1 Input Power: AC 220V × 25A, 50Hz
2.2 Output Current: AC 1000A/5V or 500A/10V
2.3 Display & Measurement:

Simultaneous readout of primary current ({{0}}–1100A, resolution: 0.1A), secondary current (0–6A, resolution: 0.001A), turn ratio, and stopwatch (0.0001–999.99S, ±5 significant figures).
2.4 Accuracy: TRUE RMS ±0.5%
2.5 Protection: Dual safeguards (electronic overload + software protection)
2.6 Operating Conditions:

Temperature: -10 degree to 40 degree

<80% RH
2.7 Dimensions: 430mm × 260mm × 260mm
2.8 Weight: 28kg

3.1 Ground Terminal:
3.2 Power Input: Connect 220V AC via red/black terminals.
3.3 Power Indicator:
3.4 High-Current Output Terminals:
3.5 Series/Parallel Plates:
3.6 Series/Parallel Toggle:
3.7 Secondary Current Input:
3.8 Stopwatch Trigger:
3.9 LCD Display: Real-time parameters and timing.
3.10 Display Contrast:
3.11 Serial Port:
3.12 Output Control:
3.13 Current Adjustment: Fine-tunes output levels.
3.14 Power Switch:

1. When can I get a price quote?

You can contact us online or submit an inquiry. We typically provide a quote within 24 hours after receiving your request.

2. How do you handle after-sale service for overseas customers?

12-month warranty coverage (see details below).

On-site support (if required): Our engineers can travel abroad to resolve critical issues.

3. What is the warranty period?

Our standard warranty period is 12 months (1 year). During this time, we provide:

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