Fluke 1630 data sheet 
Click to download Fluke 1630 datasheet.
The compact and rugged design makes the Fluke 1630 easy to use in small places and harsh environments, while the "Display-Hold" and the continuity testing with an audible alarm function, ensures convenience in use. The novel technique means that earth ground loop testing and continuity testing can be completed without breaking the circuit.
• Large jaw opening of 35 mm (1.38 in) for tests on ground conductors and/or equipotential bus bars
• Measurement of ground leakage current, from 0.2 mA to 1000 mA, without needing to disconnect - ideal for system troubleshooting
• Wide ac current measurement range from 0.2 A to 30 A allows one instrument for multiple applications
• Continuity loop test - quickly assess whether resistance is less than 40 Ω, with audible alarm
• User-defined HI / LO Alarm limits, for rapid measurement evaluation
• Handy "Display-Hold" button for capturing readings in hard-to-reach places
• Time saving memory function automatically records and stores measured values
• Automatic self calibration ensures correct measurement every time
A wide ground loop resistance range, from 0.025 Ω to1500 Ω, to satisfy all requirements
General Specification
Operating Error Refers to the temperature range and is guaranteed for 2 years
Storage Temp. Range -20 °C to 60 °C (-4 °F to 140 °F )
Reference Temp. Range 23 °C ± 5 °C (73 °F ± 9 °F )
Storage Humidity < 75% RH
Operating Humidity < 85% RH
Display 9999 digit LC-display with special symbols
Protection IP20 according to IEC 529/EN 60529
Safety 300 V, CAT III / pollution degree 2 IEC 61010-1
Weight 640 g (1.4 lb)
Conductor Size 35 mm (1.38 in) approximately
Dimension (length x width x depth) 257 mm x 100 mm x 47 mm (1 in x 3.9 in x 1.9 in)
Emission IEC 1000 4-2, IEC 61326-1 class B
Immunity IEC 61000-4-2, 8 kV (air) criteria A
IEC 61000-4-3, 3 V/m performance criteria A
Range Selection Auto
Overload Indicator "OL" on display
Measuring Time 0.4 sec
Measuring Frequency 3.333 kHz
Battery Type 9 V alkaline (type IEC 6 LR 61)
Battery Life ≥ 8 hours (continuous operation)
Power Consumption 40 mA
Low Battery Indication Display Symbol
Stakeless testing system
The Fluke 1630 uses the Stakeless testing method, which eliminates the need to disconnect parallel ground rods and find suitable locations for placing auxiliary ground stakes. This saves time and enables users such as industrial and utility electricians, and field service electricians and contractors, to perform earth ground loop tests in locations where it is not possible to use other techniques, such as inside buildings or on power pylons. With the Stakeless testing method, earth ground stakes are no longer necessary. The Fluke 1630 Earth Ground Clamp is placed around the earth ground rod or the connecting cable. A known voltage is induced by one half of the clamp and the current is measured by the other half. The tester automatically determines the ground loop resistance at this grounding connection.
; "Fluke 1630 Earth GroundTester")
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