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Fluke 1630-2 FC Earth Ground Clamp, Stakeless Loop & Leakage Testing, CAT IV 600V / CAT III 1000V, Fluke Connect Wireless, 32,760 Data Logs, 40mm Jaw

Name: Fluke 1630-2 FC Earth Ground Clamp, Stakeless Loop & Leakage Testing, CAT IV 600V / CAT III 1000V, Fluke Connect Wireless, 32,760 Data Logs, 40mm Jaw
Rating: 4.3 (28 reviews)

Delivery Time: 0-3 days

Brand Fluke

Model Number 1630-2FC

EpicRise Warranty First Year

Product Highlights

【Stakeless Ground Testing】: Measure earth ground loop resistance without disconnecting the ground stake, eliminating service interruption and arc flash risk.

【CAT IV 600V Safety Rating】: Rated CAT IV 600V / CAT III 1000V — built for use at service entrances, outdoor utility connections, and high-energy distribution panels.

【32,760 Measurement Data Logger】: Automatically records readings at user-set intervals from 1 second to 59 minutes for unattended monitoring and compliance documentation.

【Fluke Connect Wireless Radio】: Built-in Bluetooth Low Energy radio streams live readings to the Fluke Connect app for real-time team sharing with no added hardware.

【Selectable Band-Pass Filter】: Narrows AC leakage measurement to the 40–70 Hz window, blocking noise from variable-frequency drives and other electronic loads.

- 【40mm Conductor Jaw Size】: Accommodates conductors up to 40mm in diameter, covering most standard grounding cables in industrial and commercial installations.

Overview
Specifications
FAQ
User Guides
Reviews

The Fluke 1630-2 FC is a stakeless earth ground loop and leakage current clamp that allows technicians to measure ground resistance and AC leakage current without disconnecting the earth ground stake from an operating grounding system. It is designed for fast, safe indoor and outdoor testing in industrial, utility, and commercial electrical installations where system continuity must be maintained during measurement.

The 1630-2 FC features a rugged, heavy-duty jaw that maintains alignment and calibration through demanding daily field use, combined with built-in Fluke Connect wireless for real-time data sharing and a configurable data logger that stores up to 32,760 measurements. A selectable band-pass filter and user-defined alarm thresholds help technicians obtain accurate readings and flag out-of-range conditions without post-processing.

Best For Scenarios:

The Fluke 1630-2 FC is well suited for grounding system maintenance and compliance testing in facilities with multi-point grounding networks — including power plants, industrial substations, manufacturing facilities, and commercial buildings — where earth ground stake disconnection is impractical or unsafe during normal operations. It performs reliably for AC leakage current monitoring on 50/60 Hz distribution systems, and for documenting grounding performance over time using its onboard data logger. The CAT IV 600V / CAT III 1000V safety rating qualifies it for use at service entrances, outdoor utility connection points, and meter panels.

This clamp is a strong fit for electrical maintenance technicians, utility workers, and safety engineers in heavy industrial, commercial real estate, and energy sectors who need to document ground resistance as part of routine preventive maintenance or regulatory compliance programs. It suits teams of field technicians who benefit from the Fluke Connect wireless capability, which enables measurements to be shared and centrally archived without manual data transfer. Electrical contractors verifying grounding during commissioning of industrial machinery, transformer installations, and distribution switchgear will find it equally well matched.

It is NOT suited for: single-point grounded systems where only one ground electrode exists (the dual-loop induction method requires multiple parallel ground return paths), DC leakage current measurement (the instrument measures AC leakage only from 40 Hz to 1 kHz), applications requiring a fall-of-potential or selective stake test method, conductors exceeding 40mm in diameter that cannot fit within the jaw opening, or environments where IP30 ingress protection is insufficient for the level of water or particulate exposure present.

Key Features:

- Stakeless induction-based measurement — tests earth ground loop resistance in fully operating multi-grounded systems without removing ground connections or interrupting service.

- Dual-mode operation — measures both earth ground loop resistance and AC leakage current with a single handheld clamp instrument.

- Automated data logging with configurable intervals — captures unattended measurement sequences for trend analysis, regulatory compliance reporting, and baseline documentation.

- User-defined high/low alarm thresholds — triggers an immediate visual alert when a reading falls outside the acceptable range, enabling rapid field evaluation without post-processing.

- Selectable band-pass filter — rejects high-frequency noise from variable-frequency drives and other electronic loads, delivering cleaner AC leakage current readings in electrically noisy environments.

- Rugged heavy-duty jaw design — maintains alignment and calibration through everyday industrial handling, reducing recalibration frequency and protecting measurement integrity.

- Backlit LCD display with fast measurement refresh — delivers legible readings in low-light field environments with results updated multiple times per second.

Quick Specs:

- Earth Ground Loop Resistance Range: 0.025 Ω to 1500 Ω

- AC Leakage Current Range: 0.200 mA to 39.99 A (True RMS, 50/60 Hz, autorange)

- Safety Rating: CAT IV 600V / CAT III 1000V (IEC/EN 61010-2-032)

- Jaw Conductor Size: ~40 mm (1.57 in)

- Data Logging Capacity: Minimum 32,760 measurements (1 sec to 59 min 59 sec intervals)

- Battery: 4× AA alkaline (IEC/EN LR6); >15 hours in resistance mode, backlight/RF off

- Operating Temperature: -10°C to +50°C (-14°F to +122°F)

- Ingress Protection: IP30 (jaw closed, IEC/EN 60529)

What's Included:

- 1630-2 FC Earth Ground Clamp

- Hard case

- Loop resistance standard

- 4 AA batteries

- Safety information guide

- Quick reference guide

Product Details
Color	Yellow, Red

How do I know if the Fluke 1630-2 FC is right for my grounding system?

The 1630-2 FC uses an induction clamp method that requires a multi-point grounded system with at least two parallel return paths through the earth — if your site has multiple ground electrodes connected through a common grounding conductor (typical in commercial buildings, substations, and utility infrastructure), the clamp will produce valid readings. For single-stake installations or applications requiring a fall-of-potential test method, a stake-and-probe resistance tester is the appropriate choice. Confirm your system topology before selecting this instrument.

How does this compare to other earth ground clamps in the Fluke lineup?

The 1630-2 FC shares its core measurement engine and safety ratings with the standard Fluke 1630-2, but adds a built-in Fluke Connect Bluetooth Low Energy wireless radio. This makes the 1630-2 FC the right choice when remote monitoring, team data sharing, or integration with the Fluke Connect cloud and mobile app workflow is required. Both models offer the same ground loop resistance and leakage current ranges, alarm thresholds, band-pass filter, and 32,760-measurement data logger.

I work in high-EMI manufacturing environments — is the 1630-2 FC accurate enough there?

The 1630-2 FC's selectable band-pass filter limits the leakage current measurement window to 40–70 Hz, which significantly reduces interference from variable-frequency drives and switching power supplies common in manufacturing. For earth ground loop resistance measurement, the instrument uses a proprietary induction signal designed to reject background noise. For best accuracy in high-EMI environments, activate the band-pass filter, ensure the jaw is fully closed, and position the conductor centered and perpendicular to the jaw as specified in the accuracy conditions.

Does the 1630-2 FC integrate with maintenance management or data platforms?

The 1630-2 FC integrates with the Fluke Connect wireless system using its built-in Bluetooth Low Energy radio — no additional hardware is required beyond the instrument itself. Measurement data, logs, and images can be saved to Fluke Connect Cloud storage and shared with colleagues via the Fluke Connect mobile app or email. The wireless radio operates in the 2412–2462 MHz band at under 10 mW output power.

What are the physical dimensions and weight of the 1630-2 FC?

The instrument measures 283 × 105 × 48 mm (11.1 × 4.1 × 1.9 in) and weighs 880 g (31 oz). The jaw opening accommodates conductors up to approximately 40 mm (1.57 in) in diameter. It ships with a hard carry case for storage and transport in the field.

What is the measurement accuracy for earth ground loop resistance?

Accuracy is ±(1.5% + 0.02 Ω) from 0.025 Ω to 0.249 Ω, ±(1.5% + 0.10 Ω) from 1 Ω to 9.999 Ω, and ±(5.0% + 5.0 Ω) from 200 Ω to 399.9 Ω. The full range extends to 1500 Ω; accuracy at the highest ranges (600 Ω–1500 Ω) is ±20%. All specifications apply with the conductor centered and perpendicular to the jaw.

How does the data logger work in the field?

The logging interval is user-configurable from 1 second to 59 minutes and 59 seconds. The instrument stores a minimum of 32,760 measurements in onboard memory. Logged data can be reviewed on the display or transmitted wirelessly to the Fluke Connect app for archiving and analysis.

What are the environmental operating limits?

The 1630-2 FC operates from -10°C to +50°C and is rated IP30 with the jaw closed, protecting against solid particle ingress in typical field conditions. Operating humidity ranges up to 90% RH at 10°C–30°C and is derated to 45% RH at 40°C–50°C. Maximum operating altitude is 2,000 m (6,561 ft).

How does the instrument indicate alarm and overload conditions?

User-defined high and low alarm limits trigger a visual alert on the 9999-count LCD when a reading falls outside the set thresholds, enabling immediate evaluation without reviewing logs after the fact. An overload indication appears on the display for out-of-range input conditions. The display refresh rate is 4 readings per second, and the backlight supports visibility in low-light environments.

What batteries does the 1630-2 FC use and how long do they last?

The instrument runs on four standard AA alkaline batteries (IEC/EN LR6), which are included in the box. Battery life exceeds 15 hours when operating in ground resistance measurement mode with both the backlight and wireless radio turned off; actual runtime will vary with usage of the backlight and Fluke Connect wireless features.

Regular price: $2,300.00
Sale price: $2,300.00
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