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Grounding resistor tester UHV-2571Bearth resistivityfor soilfor electrical equipment
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Characteristics
- Test type
- earth resistivity, grounding resistor
- Tested product
- for electrical equipment, for soil
- Applications
- for power systems
- Configuration
- handheld
- Other characteristics
- digital, with LCD screen, rugged, smart, with high noise filter
Description
Overview
Key features
Applications
Technical specifications
- Portable four‑wire instrument for measuring grounding resistance and soil resistivity, model UHV-2571B. Designed for field testing of ground systems, low‑resistance conductors and AC ground voltage.
Key features
- High‑strength aluminum‑alloy enclosure with phase‑locked loop and switched‑capacitor filter to suppress power‑frequency and RF interference.
- DC/AC converter produces low‑frequency constant AC test current from DC supply for stable four‑wire measurements.
- Tolerant to auxiliary grounding resistance: RC (C1–C2) up to 0–2 kΩ and RP (P1–P2) up to 0–40 kΩ within specified limits.
- 3.5‑digit LED display, automatic zero handling; displays “1” on over‑range or open‑loop conditions.
- Intelligent low‑battery indication to ensure measurement reliability in the field.
- Compact dimensions and light weight for portable use.
Applications
- Measurement of earth/ground resistance and soil resistivity for grounding systems.
- Testing low‑resistance conductors and bonding connections.
- Measurement of AC ground voltage and verification of grounding integrity in industrial installations.
Technical specifications
- Operating conditions: 0 ℃ to +45 ℃; relative humidity ≤ 85% RH.
- Resistance measuring ranges (constant test current): 0–20 Ω (10 mA), 2–200 Ω (10 mA), 20–2000 Ω (1 mA).
- Voltage measurement range: AC 0–19.99 V.
- Accuracy: 0–0.2 Ω ≤ ±3% ±1 digit; 0.2–199.9 Ω ≤ ±1.5% ±1 digit; 1–19.99 V ≤ ±3% ±1 digit.
- Resolution: 0.01 Ω, 0.1 Ω, 1 Ω, 0.01 V.
- Measurement error due to auxiliary grounding: RC (C1–C2) — for 0–20 Ω ≤1 kΩ; for 20–2000 Ω ≤2 kΩ. RP (P1–P2) < 40 kΩ → error ≤ ±5%. Ground voltage ≤ 5 V → error ≤ ±5%.
- Maximum power dissipation ≤ 2 W.
- Power supply: DC — 8 × 1.5 V (AA, R6) batteries; AC — 220 V / 50 Hz adapter.
- Dimensions: 220 × 200 × 105 mm. Weight: ≤ 1.4 kg.
Catalogs
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