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Fluke T6-1000 Electrical Tester with Fieldsense

Fluke T6-1000
Catalog #: 4910269
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  • Test Leads Not Required - FieldSense technology allows for AC voltage, current and frequency measurements without making electrical contact to live voltage
  • Simultaneous voltage and current display - shows all power supply measurements at a glance for efficient troubleshooting
  • 1 to 1000V AC or DC
  • 0.1 to 200A AC vs only 100 amps AC on the T5-600 / T5-1000
  • Resistance measurement: 1 Ω to 100 kΩ
  • Frequency measurement: 45 Hz to 66 Hz
  • Works with wires up to AWG 4/0 (120 mm2) with a 17.8 mm jaw opening
  • HOLD button temporarily freezes the reading for easy viewing
  • Easy to read display with backlight
  • Accepts optional Fluke TPAK Magnetic Meter Hanger for convenient operation
  • Standard two-year warranty; extendable to four years through product registration within 45 days of purchase
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List Price: $249.99
Sale: $224.99
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Fluke T6-1000 Electrical Tester with Fieldsense

Fluke T6-1000 Electrical Tester with Fieldsense, Flat

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Product Information

Fluke T6-1000 Electrical Tester with FieldSense

  • 1 to 1000V AC or DC
  • FieldSense technology for AC voltage, current and frequency measurement without making electrical contact to live voltage
  • Works with wires up to AWG 4/0 (120 mm2) with a 17.8mm jaw opening
  • Easy to read display with backlight
  • Accepts optional Fluke TPAK Magnetic Meter Hanger for convenient operation
  • Rated 1000V CAT III / 600V CAT IV

Product Overview

The Fluke T6-1000 is the first-ever instrument of its kind. Thanks to Fluke's unique FieldSense technology, the T6 is capable of measuring voltage up to 1000V AC using only the meter's open fork. This means you don't need to open any covers or remove wire nuts to take voltage readings on AC sources. The meter's open fork jaw measures 17.8mm and is large enough to fit wires up to AWG 4/0. Plus, the T6-1000 can also measure current up to 200A AC through its open fork while simultaneously showing voltage and current readings on its backlit screen.

Important Specs

Thanks to FieldSense, you can use the T6-1000 to measure multiple electrical parameters through the meter's open jaw alone. FieldSense supports measurement of AC voltage up to 1000V, AC current up to 200A, and frequency from 45Hz - 66Hz (FieldSense frequency is only available on the T6-1000 model). You can measure all these parameters without test leads using only the meter's open jaw. That said, the T6-1000 does come with built-in test leads which allow you to measure AC and DC voltage up to 1000V, and resistance in multiple ranges including 2000Ω, 20.00kΩ and 100.0 kΩ.

It is important to note that in order to get the most from FieldSense Technology, the T6 meter must have a capacitive path to ground. In most applications, this is provided by the user via a ground contact on the rear of the meter. However, in some cases a ground connection must be made using one of the built-in test leads. FieldSense can only measure voltage relative to ground and must have a solid ground connection. Phase to phase measurement is not possible with FieldSense.

FieldSense Technology

Measure Voltage Without Test Leads

Contacting electrical conductors with test leads or alligator clips requires metal-to-metal contact, which as any electrician or technician knows, carries the potential for arc flash. FieldSense eliminates that step. The person performing the test is safer from potential electrical shock because the measurement tool and the voltage source under test are isolated. This is performed by means of galvanic isolation or separation, the principle that isolates functions of an electrical current to prevent current flow.

Stay Safe, Save Time

Unlike current sensing technologies which detect a magnetic field to derive current measurements, FieldSense technology actually detects an electrical field. This new method involves transducing and calculating a known signal to derive measurements for the source voltage. The meter itself generates a reference signal of known amplitude and frequency. When grounded, the resulting composite waveform is detected by an electronic sensor built into the tester. After amplification, processing and digital calculations, voltage and frequency measurements are derived.

How to Measure AC Voltage & Current with FieldSense

4 Simple Steps

Once you have your T6 in hand, ditching your test leads and taking measurements with FieldSense is relatively simple. The most important thing for getting accurate readings with FieldSense is making sure you have a solid ground connection.

  1. Turn the meter's dial knob to the second position, or "FieldSense" function. The tester measures and simultaneously displays both AC voltage and AC amps on the T6-1000.
  2. Make sure you create a solid ground connection for the meter. In most cases you can do this with your finger touching the ground contact on the back of the meter. However, if you are using insulated gloves, standing on an insulated ladder or otherwise insulated from ground, you must place the meter's black test lead on a ground conductor or attach it to ground with an alligator clip.
  3. Once you are grounded, slide the meter's open jaw over the conductor under test to see voltage and current levels.
  4. You will then see your reading on-screen - make sure to note the units of measurement. You can also press the HOLD button to momentarily freeze the reading for a quick snapshot of the screen readout.

Regardless of the T6’s improvements to safety in taking electrical measurements, workers should still wear appropriate personal protective equipment (PPE). This means electricians should still wear arc-rated clothing and protective equipment including gloves, safety glasses or goggles, hearing protection and leather footwear. In lower voltage areas, measurements can be taken wearing minimal PPE, including gloves and protective eyewear. However, measuring without test leads does not mean you can skip wearing the required PPE.


Calibration 1-year calibration cycle
Dimensions 61.1 mm x 259.3 mm x 43.8 mm
Fork opening 17. 8 m m
Operating: -10 °C to +50 °C (14 °F to 122 °F)
Storage: -30 °C to +60 °C (-22 °F to +140 °F)
Operating: 2,000 m (6,562 feet)
Storage: 10,000 m (32,808 feet)
Relative Humidity 0 % to 90 %, 5 °C to 30 °C (41 °F to 86 °F)
0 % to 75 %, 30°C to 40 °C (86 °F to 104 °F)
0 % to 45 %, 40°C to 50 °C (104 °F to 122 °F)
Battery Type and Life 2 x AA (IEC LR6); 360 hours continuous, typical; 200 hours using FieldSense
RF Field Specification 0.5 % full scale + (specified accuracy) at 3 V / m
Enclosure Rating IP 52 per IEC/EN 60529, no vacuum applied
Temperature coefficient 0.1 x (specified accuracy) / °C for <18°C or >28 °C (< 64.4 °F or > 82.4 °F)
Safety IEC/EN 61010-1, IEC/EN 61010-2-033: Pollution Degree 2
Electromagnetic Environment IEC/EN 61326-1: Portable

Fluke T6-1000 Product Specifications Summary:
(for full specs please see the full specs tab or the data sheet)

Clamp Meters/Clamp Meters Template

TypeOpen Jaw / Fork
True RMS What's This?No
Maximum Current AC What's This?200 A
Minimum Current DC0 mA
Maximum Voltage AC1000 V
Maximum Voltage DC1000 V
Basic Voltage AccuracyAC 1.5 % ± 2 counts
DC 1 % ± 1 count
Fieldsense AC: ±(3 % + 3 counts)
Digits Display What's This?4
Resolution DC Volts1 V
Resolution AC Current0.10 A
Maximum Conductor Size0.5 IN
Auto Ranging/Manual What's This?Auto Ranging
Auto Power OffYes 
Detachable JawNo
Rotating Jaw / SwivelNo
Peak HoldYes
In-Rush Current What's This?No
Dual DisplayNo
Analog Bargraph on DisplayNo
Remote DisplayNo
Continuity What's This?Yes 
Temperature (K T/C)No
Temperature (IR Sensor)No
Diode TestingNo
CAT Rating What's This?IV
CAT Voltage What's This?1,000 V, 600 V
Overload ProtectorNo
True Power (KW)No
Apparent Power (VA) What's This?No
Power Factor (PF)No
Crest FactorNo
Energy (KWh)No
Reactive Power (KVAR)No
Source/Simulate (Process Clamp)No

Test Equipment General Attributes

Unique Features•Fieldsense measure voltage to 600 VAC through open fork without test lead contact to live voltage
•Automatically measures volts AC and volts DC with precise digital resolution
•Displays resistance to 1000Ω
•Easy and accurate OpenJaw™ current measurement
•Continuity beeper
•Compact design with neat probe storage
•Rugged enough to withstand a 10-foot (3m) drop
•Detachable SlimReach™ probe tips are customized for national electrical standards
•Test leads accept Fluke accessory test clips
•1000V model
•Can stay connected much longer than solenoid type tester
•Auto off mode to conserve battery life
•Optional holster attaches to a belt and neatly stows test leads
•AC current
•Display hold
Warranty2 YEARS
Calibration IncludedNone
Power Supply VoltageBattery Powered
Safety ApprovalCE, CSA, UL 
Data Logging What's This?No
Interfaces I/O Analog Output, Other
IP Rating What's This?IP52
Product Weight0.8 LBS
Battery TypeAA
Product Height2.01 IN
Product Length10.51 IN
Product Width2.99 IN
Shipping Weight0.88 LBS
ECCN Number3A992
HTS/Schedule B NumberN/A
Country of OriginChina
Shipping Height2.01 IN
Shipping Length10.51 IN
Shipping Width2.99 IN



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Fluke T6-1000 Customer Reviews

6 Reviews
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Average Customer Review
4 of 5
6 customer reviews
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Product: Fluke T6-1000
Location: syracuse ny usa
Recommended: No


It will not measure phase to phase voltage
only phase to ground
any motor work you need to use the test leads to measure proper voltage
it dose not tell you this in the description
so the open jaw voltage measurement is bunk
as far as I am concern save you money on this one
I am a big fluke fan too

TEquipment Reponse: Thank you for your feedback. We have shared it with Fluke as well. You are correct this unit only measures voltage relative to ground vs phase to phase.
2 out of 2 found this review helpful. Did this help? Yes No
Product: Fluke T6-1000
Recommended: Yes

Nice meter for quick troubleshooting

I have had a few days now to use my new Fluke T6-1000 and I'm pleased with its performance. For troubleshooting circuits it is fast and reasonably accurate at locating or verifying live circuits, the voltage and current flow. It really does save having to bend wires around to find an exposed screw on a breaker, etc. to measure voltage and it eliminates the need to keep switching back and forth from a voltmeter function to a current meter function. The biggest problem that I would like to see fixed is that the wire has to be all the way down in the throat for a good reading and sometimes the wiring is just too tight or in a bundle which prevents that from being easily done.
0 out of 0 found this review helpful. Did this help? Yes No
Product: Fluke T6-1000
Recommended: Yes

Like this new meter

This is exactly the meter you want to help identify wiring in a connection cabinet. You do not have to worry about exposed wiring so it is much safer. Don't expect a perfect voltage reading but you will get a good indication on the nominal voltage level. Probably will not use the grounding button on the back as you normally want to have on the proper PPE.
0 out of 0 found this review helpful. Did this help? Yes No
Product: Fluke T6-1000
Recommended: Yes
TEquipment.NET Verified Purchase

Great Meter

I got this meter because it can measure voltage with the field sense function, which means I can take a measurement without getting exposed to live voltage. Works well.
1 out of 1 found this review helpful. Did this help? Yes No
Product: Fluke T6-1000
Location: topeka ks usa
Recommended: Yes

love this handy meter.

I used a T5 for years as a tool pouch meter, I love this new meter for day to day task. Having a back lit screen is great. the fieldsense works great. I would have gave it a 5 star, but it is hard to use the feildsense in a tight area. Even at that it is a value and a great addition to my flue meter collection. It has become my go to on the go meter in it's short time in my tool box.
0 out of 0 found this review helpful. Did this help? Yes No
Product: Fluke T6-1000
M Miller
Recommended: Yes
TEquipment.NET Verified Purchase

Great Product

Meter works just as advertised. Very handy feature being able to sense voltage safely.
0 out of 0 found this review helpful. Did this help? Yes No
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