Model NO.: Hm9800
Trademark: GDHM
Specification: 362 mm x 235 mm x 133 mm
Origin: Hubei, China (Mainland)
Model NO.: Hm9800
Trademark: GDHM
Specification: 362 mm x 235 mm x 133 mm
Origin: Hubei, China (Mainland)
Product OverviewViewThe HM9800 pipeline detector is a powerful tool used to locate and determine the depth of underground cables, optical fibers, and metal pipelines. It is widely applied in sectors such as mobile communication, telecommunications, power, cable TV, water supply, gas, and more.
This device offers both real-time automatic gain and manual gain options, along with peak signal display, direct sounding, and key DC value readings, making it user-friendly and efficient. The HM9800 also features an outer sheath fault location function. The transmitter can output a 4.8Hz fault locating frequency, allowing for accurate identification of faults in cables and their sheaths.
Optional accessories like the "signal probe and tracer line" enable detection and localization of non-metallic drainage pipes. The system automatically selects the best search frequency, measures loop resistance, and continuously adjusts impedance to ensure optimal signal output. The receiver can detect two passive frequencies and two active frequencies, with automatic real-time gain adjustment, left-right direction indication, and other intelligent functions, making it one of the most user-friendly locators available.

Technical Parameters
1. HM9800 Transmitter
Output Voltage | Standard: 982HZ, 9.8kHz, 82kHz; 4.8Hz Fault Locate Frequency |
Dual Frequency Signal Output | 9.8kHz + 82kHz Mixed Frequency at Same Time |
Select Best Frequency | Auto |
Outer Shield Fault | 0 ohm - 5 megohm |
Conduct Loop Resistance | 0-2K ohm |
Max Output Power | 5W |
Output Power Setting | L, M, H |
Power Supply | Battery 1# 10pcs; Charging Battery (Option) |
Battery Working Time | 24h; 35h (Charging) |
Battery Power Test | Auto |
Temperature | -20ºC ~ +50ºC |
Size | 362 mm x 235 mm x 133 mm |
Weight | 2.0 kg (Battery Included) |
2. HM9800 Receiver
Receive Frequency | Active Signals: 982HZ, 9.8kHz, 82kHz Passive Signal: 50/60Hz, 14-22kHz |
Max Detect: | 8m |
Accuracy: | ±2.5%+5cm (0-2m) ±5%+5cm (2m-3m) ±7.5%+5cm (3m-8m) |
Interface | USB2.0 |
Backlit | Y |
Battery Type | 5# 6 pcs |
Battery Working Time | 24h |
Battery Testing | Auto |
Temperature | -20ºC ~ +50ºC |
Size | 686 mm x 178 mm x 229 mm |
Weight | 1.80kg (Battery Included) |
Accessories
Description | Unit | Qty |
Transmitter | pc | 1 |
Receiver | pc | 1 |
100mm Clamp | pc | 1 |
Stethoscope | pc | 1 |
A-frame | pc | 1 |
Connecting Cable | set | 1 |
Earth Rod | pc | 1 |
Portable Case | pc | 1 |
Operating Manual | set | 1 |



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