The HZ2676 Ground Resistance and Soil Resistivity Tester — also known as a four-wire ground resistance tester or soil resistivity tester — is a widely used instrument for testing ground resistance. It is applied across telecommunications, power, meteorology, data centers, oil fields, power distribution lines, transmission towers, gas stations, factory grounding grids, and lightning rods. The instrument is characterized by its accuracy, speed, simplicity, stability, and reliability.
The HZ2676 integrates multiple grounding test functions, enabling rapid and comprehensive measurement of various parameters within a grounding network. It replaces traditional shaking-table measurement methods with a new generation of grounding measurement technology.
| Grounding Voltage | Two-, three-, and four-wire measurement of ground resistance, soil resistivity, and ground voltage measurement. |
|---|---|
| Environmental Temperature and Humidity | 23°C ± 5°C, below 75% RH |
| Power | 1.5V (LR14) alkaline batteries, 6 pieces |
| Interference Voltage | < 20V (should be avoided) |
| Interference Current | < 2A (should be avoided) |
| Electrode Distance When Measuring R | a > 5d |
| Electrode Distance When Measuring ρ | a > 20h |
| Auxiliary Ground Resistance | Reference condition < 100Ω; working condition < 5kΩ |
| Range | Ground resistance: 0.00Ω–30.00kΩ Soil resistivity: 0.00Ωm–9999kΩm Ground voltage: 0.00V–600V |
| Measurement Method | Precision four-wire, three-wire, and simplified two-wire ground resistance measurement; Soil resistivity: four-pole method; Ground voltage: average value rectification (S-FR interface) |
| Test Frequency | 128Hz |
| Short Circuit Test Current | AC > 20mA (sine wave) |
| Open Circuit Test Voltage | AC 28V max |
| Electrode Distance Range | Adjustable from 1m to 100m |
| Switching | Automatic switching for ground resistance (0.00Ω–30.00kΩ) and soil resistivity (0.00Ωm–9999kΩm) |
| Backlight | Controllable grey-white backlight, suitable for dimly lit environments |
| Display Mode | Four-digit extra-large LCD display with grey-white backlight |
| Measurement Indicator | LED flashes during measurement |
| LCD Display Area | 108mm × 65mm |
| Instrument Size | 240mm (L) × 188mm (W) × 85mm (H) |
| Standard Test Lines | 4 lines: 15m (red), 15m (black), 10m (yellow), 10m (green) |
| Simplified Test Lines | 2 lines: 1.5m (yellow), 1.5m (green) |
| Auxiliary Ground Rods | 4 pieces |
| Measurement Time | Ground voltage: approx. 2 times/sec Ground resistance and soil resistivity: approx. 7 seconds/time |
| Ground Voltage Measurement | AC below 600V (cannot be used to measure commercial electricity) |
| Data Storage | 500 sets; "MEM" storage indicator; "FULL" symbol indicates full storage |
| Data Retrieval | "MR" symbol indicates data retrieval |
| Overflow Display | "OL" symbol indicates over-range |
| Alarm Function | Alarm prompts when the measurement value exceeds the alarm setting |
| Battery Voltage | Low battery symbol displayed when battery voltage is low |
| Auto Shutoff | Automatically shuts off after approximately 15 minutes of inactivity |
| Power Consumption | Standby: 40mA max (backlight off) On with backlight: 43mA max Measurement: 120mA max (backlight off) |
| Quality (Weight) | Instrument: 1280g (including batteries) Test lines: 890g (including simplified test lines) Auxiliary ground rods: 720g (4 pieces) |
| Operating Temperature and Humidity | -10°C to 40°C; below 80% RH |
| Storage Temperature and Humidity | -20°C to 60°C; below 70% RH |
| Overload Protection | Ground resistance measurement: AC 280V / 3 seconds between H-E and S-FR terminals |
| Insulation Resistance | Over 20MΩ (between circuit and casing at 500V) |
| Withstand Voltage | AC 3700V/rms (between circuit and casing) |
| Electromagnetic Characteristics | IEC61326 (EMC) |
| Safety Compliance | IEC61010-1 (CAT 300V, CAT IV 150V, Pollution Degree 2); IEC61010-031; IEC61557-1 (ground resistance); IEC61557-5 (soil resistivity); JJG 366-2004 |
We are an integrated trade and manufacturing company with our own factory.
Yes, we accept OEM/ODM/OBM and can customize the built-in software of the product according to the customer's special requirements.
In normal circumstances, products in stock can be received within 5 to 7 days via the fastest international express. Other situations may vary depending on the quantity of products ordered, whether there are special customization requirements, and the delivery time chosen.
We have professional internal and external packaging to ensure the safety and stability of the products during transportation. For fragile or other special parts, we will include an extra set to ensure that the customer can use the product immediately upon receipt.
For quality issues that are not caused by human error, we provide a one-year warranty from the time the product is delivered, and lifetime technical support. Other after-sales issues will be addressed by our professional technical staff within 24 hours. The product comes with a user manual and an operation video.
