Leave your message
- Leon Zhang sales consultant
- Email: zxl635973785@gmail.com
- Phone/WhatsApp/Wechat: +86 13655813266
HF-CH-210 Transmission Line Parameter Tester
This portable Transmission Line Parameter Tester accurately measures resistance, inductance, capacitance and earth-related parameters of overhead transmission lines. It works stably under complex field conditions, supplying reliable data for power system layout, fault analysis and grid operation optimization.
Send your requirements, we will quote for you within 12 hours
The Transmission Line Parameter Tester is professional field testing equipment specially developed for overhead power transmission lines. It can quickly and accurately measure core electrical indicators including positive and zero-sequence impedance, positive and zero-sequence capacitance, interphase capacitance, mutual reactance and coupling capacitance between lines.
Equipped with powerful anti-interference capability, it ensures reliable measurement under complex electromagnetic onsite environments. Featuring one-time simple wiring, integrated hardware design based on high-speed MCU, it replaces traditional bulky separated testing devices, greatly simplifying field operation and improving testing precision & efficiency for power grid design, calculation and fault analysis.
Product Features
● Rapidly and precisely measures positive/zero-sequence capacitance & impedance of transmission lines, as well as mutual reactance, coupling capacitance and inter-phase capacitance between lines.
● Excellent anti-interference performance: delivers accurate readings even when the ratio of interference frequency signal to power frequency signal reaches 1:10.
● Simplified external wiring: all line parameters can be tested with only one-time wiring connection, eliminating cumbersome wiring switching, signal interference, poor stability and low precision defects of traditional testing methods.
● Adopts high-speed single-chip microcomputer as the core, integrating test power supply, measuring meter and calculation module. It downsizes bulky truck-mounted testing equipment into one compact all-in-one device.
● Excellent anti-interference performance: delivers accurate readings even when the ratio of interference frequency signal to power frequency signal reaches 1:10.
● Simplified external wiring: all line parameters can be tested with only one-time wiring connection, eliminating cumbersome wiring switching, signal interference, poor stability and low precision defects of traditional testing methods.
● Adopts high-speed single-chip microcomputer as the core, integrating test power supply, measuring meter and calculation module. It downsizes bulky truck-mounted testing equipment into one compact all-in-one device.
Technical Specifications
| Item | Parameters |
|---|---|
| Input Power Supply | Three-phase AC 380V±10%, 50Hz |
| Max. Output Voltage | AC 200V, Accuracy: 1% |
| Max. Output Current | 5A |
| Output Signal Frequencies | 42.5Hz/57.5Hz; 45Hz/55Hz; 47.5Hz/52.5Hz; 50Hz/50Hz |
| Measuring Range | Capacitance items: Positive-sequence Capacitance, Zero-sequence Capacitance, Coupling Capacitance: 0.1 ~ 50μF Impedance items: Positive-sequence Impedance, Zero-sequence Impedance, Mutual Inductive Reactance: 0.5 ~ 400Ω Impedance Angle: 0 ~ 360° |
| Measurement Resolution | Capacitance: 0.01μF Impedance: 0.01Ω Impedance Angle: 0.01° |
| Measurement Accuracy | Capacitance: 0.1μF ~ 1μF: ±3% ±0.05μF 1μF ~ 50μF: ±1.5% ±0.03μF Impedance: 0.5Ω ~ 1Ω: ±3% ±0.05Ω 1Ω ~ 400Ω: ±3% ±0.03Ω Impedance Angle: ±0.2° (Voltage＞1.0V) ±0.3° (Voltage: 0.2~1.0V) |
| Overall Dimension & Weight | 535 mm×435 mm×360 mm (excluding casters); Weight: 61kg |
| Anti-interference Parameters | Interference Voltage: Longitudinal induced voltage ＜ 350V after connecting instrument test power supply Interference Current: ＜ 40A when both ends of the line are short-circuited and earthed Stable and accurate measurement can be completed when the ratio of instrument output signal to interference signal is 1:10 |
| Operating Environment | Ambient Temperature: -15℃ ~ +40℃; Relative Humidity: ＜ 90% |
Packing List
| No. | Item Description | Quantity | Unit | Remarks |
|---|---|---|---|---|
| 1 | Main Unit of Transmission Line Parameter Tester | 1 | Set | With movable casters |
| 2 | Test Connecting Cables (High Voltage Test Wires, Grounding Cables) | 1 | Set | Complete wiring harness for onsite measurement |
| 3 | Aluminum Alloy Shockproof Carrying Case | 1 | Pc | For storing accessories |
| 4 | Operation Manual (English + Chinese Version) | 1 | Copy | Detailed operation & maintenance guide |
| 5 | Factory Calibration Certificate | 1 | Copy | Official calibration report for metering verification |
| 6 | Spare Fuses & Consumable Parts | 1 | Set | Replacement accessories for daily use |
| 7 | Power Input Cord | 1 | Pc | Three-phase 380V power supply cable |
| 8 | Inspection Delivery List & Warranty Card | 1 | Set | After-sales service voucher |
FAQ | Transmission Line Parameter Tester
Q1: What electrical parameters can this transmission line parameter tester measure?
A: It accurately tests positive/zero-sequence impedance, positive/zero-sequence capacitance, inter-phase capacitance, mutual reactance, coupling capacitance and impedance angle of overhead transmission lines, covering all basic line parameters needed for power system calculation.
Q2: Does the device work well under strong electromagnetic interference on site?
A: Yes. It adopts the heterodyne frequency measurement method. Stable accurate testing is available even when the ratio of interference signal to power frequency signal reaches 10:1, perfectly adapting to complex substation and field power environments.
Q3: How many times do we need to connect wiring during the whole test process?
A: Only one-time external wiring connection is required. No repeated wire switching is needed, which greatly cuts down onsite operation time and avoids human errors caused by frequent wiring changes.
Q4: What input power supply does the tester require?
A: It adopts three-phase AC 380V ±10%, 50Hz industrial power supply, which is the standard power supply commonly used in global power construction sites.
Q5: What is the measuring range and precision of capacitance and impedance?
A: Capacitance range: 0.1~50μF; Impedance range: 0.5~400Ω. It owns high resolution of 0.01μF / 0.01Ω, with multi-range segmented accuracy to guarantee reliable test data.
Q6: Is the instrument portable for outdoor field inspection?
A: The integrated machine weighs 61kg with universal moving casters at the bottom. It comes with a matched aluminum alloy accessory case, convenient for transportation to remote line construction sites.
Q7: What ambient conditions are suitable for instrument operation?
A: Applicable ambient temperature: -15℃ ~ +40℃, relative humidity less than 90%. It can adapt to most outdoor climate conditions for power maintenance worldwide.
Q8: Will you provide official calibration certificate and operation documents?
A: Each unit is delivered with factory calibration certificate, bilingual Chinese & English operation manual, warranty card and complete packing list, convenient for project acceptance and customs clearance.
Q9: Why choose this integrated tester instead of discrete traditional testing equipment?
A: Centered on high-speed MCU, it integrates test power supply, measuring module and computing system. It replaces bulky truck-mounted separate devices, reducing volume and greatly improving testing stability and efficiency.
Q10: What output frequency options are equipped for anti-interference testing?
A: Optional frequencies: 42.5/57.5Hz, 45/55Hz, 47.5/52.5Hz, 50/50Hz. Multiple frequency groups help bypass industrial frequency interference flexibly.
Be the first to review “HF-CH-210 Transmission Line Parameter Tester”
Reviews
There are no reviews yet.