Field Instruments

Product Overview

The Fluke 1623-2 GEO Earth Ground Resistance Meter is a complete earth ground testing solution designed for field service technicians, industrial maintenance teams, and power utility professionals. It performs all standard earth ground test methods in one rugged, IP56-rated instrument.

With built-in memory and USB data transfer capability, the 1623-2 simplifies documentation and reporting. Its intuitive rotary switch and START button operation make testing quick and easy—even when wearing gloves.

The 1623-2 supports 3-pole and 4-pole Fall-of-Potential testing, soil resistivity measurement, selective testing with clamp, and stakeless testing with two clamps, making it one of the most versatile ground testers available.

Key Features

• 3- and 4-pole Fall-of-Potential ground resistance testing
• 4-pole soil resistivity testing
• Selective earth ground rod testing (1 clamp)
• Stakeless earth ground rod testing (2 clamps)
• IP56 rated – dust and water resistant for outdoor use
• USB data storage and transfer
• Internal memory up to 1500 records
• Large LCD display (1999 digit) with 25 mm digit height
• Simple rotary switch + START button operation
• Professional carrying case

Technical Specifications

Manufacturer Information

• Manufacturer: Fluke
• Model: 1623-2 GEO Earth Ground Tester

General Specifications

• Display: 1999 digit LCD
• Memory: Up to 1500 records (USB accessible)
• Measuring Time: Typical 6–8 seconds
• Operating Temperature: -10 °C to +50 °C
• Storage Temperature: -30 °C to +60 °C
• Protection Rating: IP56 (case), IP40 (battery door)
• Safety: IEC61010-1, Double/Reinforced insulation
• EMC: IEC61326-1
• Auxiliary Power: 6 × 1.5 V AA alkaline batteries
• Battery Life: Typical > 3000 measurements
• Dimensions: 250 × 133 × 187 mm
• Weight: 1.1 kg (without accessories)

Ground Resistance Measurement (RA)

3-Pole / 4-Pole Fall of Potential
• Measuring Range: 0.020 Ω to 19.99 kΩ
• Resolution: 0.001 Ω
• Accuracy: ±(2% rdg + 3 d)

Selective Testing (with Clamp)
• Measuring Range: 0.020 Ω to 19.99 kΩ
• Accuracy: ±(7% rdg + 3 d)

Stakeless Testing (2 Clamps)
• Measuring Range: 0.02 Ω to 199.9 Ω
• Accuracy: ±(7% rdg + 3 d)

Interference & Frequency Measurement

• Interference Voltage (dc + ac): 1 V to 50 V
• Interference Frequency: 6 Hz to 400 Hz
• Noise Rejection: 120 dB

Resistance Measurement (AC/DC)

• Measuring Range: 0.020 Ω to 300 kΩ
• Short Circuit Current: > 250 mA
• Accuracy: ±(2% rdg + 2 digit)

Scope of Delivery (Basic Kit Version)

• Fluke 1623-2 Earth Ground Tester
• Test leads
• 4 earth ground stakes
• 3 cable reels with wire
• 2 current clamps
• Batteries
• User manual
• Professional Fluke carrying case

Applications

• Electrical grounding system testing
• Power distribution grounding verification
• Telecom tower grounding inspection
• Industrial earthing system maintenance
• Substation and utility ground testing
• Lightning protection system testing
• Soil resistivity surveys

Why Buy from FieldInstruments.lk? (Fluke 1623-2)

• 100% Genuine Fluke Instruments – Original products with manufacturer warranty
• Competitive pricing with fast island-wide delivery
• Trusted supplier for professional electrical and power testing equipment
• Local warranty support and technical assistance
• Reliable after-sales service and calibration guidance
• Expert consultation for grounding compliance and utility applications

Fieldinstruments.lk
50/3, Angampitiya Rd, Ethul Kotte, Sri Lanka. 10100.
Phone: +94718555888 Email: info@fieldinstruments.lk