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Model	Cat. #	Description	List Price	Quantity/Status	Distributor Stock Check
6255	2129.84	Micro-Ohmmeter Model 6255 (Kelvin Clips/Probes included) NIST Calibration ($116.00 each)	$5,725.00	In stock at factory. Find a Distributor

Model	6255
Cat. #	2129.84
Description	Micro-Ohmmeter Model 6255 (Kelvin Clips/Probes included)
List Price	$5,725.00
In stock at factory. Find a Distributor

Model 6255 (with leads) - Cat. #2129.84: Extra large tool bag, set of (2) 10 ft Kelvin Clips (10 A - Hippo), set of (2) 10 ft Kelvin Probes (1 A - Spring Loaded), RS-232 DB9 F/F 6 ft null modem cable, RS-232 to USB adapter, US 115 V power cord, NiMH rechargeable 6 V battery pack (installed in meter)*, Quick Start guide and a USB thumb drive with DataView® software and a user manual.

*Can be charged during operation

Measurement Range
Range	Resolution	Accuracy @ 23 °C ± 5 °C	Measurement Current	Voltage Drop
5 mΩ	0.1 µΩ	±(0.15 % +1.0 µΩ)	10 A	50 mV
25 mΩ	1 µΩ	±(0.05 % +3 µΩ)	10 A	250 mV
250 mΩ	10 µΩ	±(0.05 % +30 µΩ)	10 A	2500 mV
2500 mΩ	0.1 mΩ	±(0.05 % +0.3 mΩ)	1 A	2500 mV
25 Ω	1 mΩ	±(0.05 % +3 mΩ)	100 mA	2500 mV
250 Ω	10 mΩ	±(0.05 % +30 mΩ)	10 mA	2500 mV
2500 Ω	100 mΩ	±(0.05 % +300 mΩ)	1 mA	2500 mV
Temperature Measurement	3 wire 100 Ω platinum RTD
Accuracy	±0.5 °C
Resolution	0.1 °C
Selectable Metal Type	Yes – Copper, Aluminum or Custom
Alarm Mode	Yes – 2 Alarms with High-Low trigger
Storage Memory	1500 tests, supplied with DataView® software for download and reporting
Battery	Rechargeable NIMH battery pack 6 V, 8.5 A•h
Battery Life: 10A	≥ 5000 tests typical
Battery Charger	120/240 VAC ± 20 % (45 to 400) Hz
Auto Power OFF	When battery voltage <5.0 V
Overload Protection	250 Vrms
Dimensions (L x W x H)	(10.70 x 9.76 x 7.18) in (272 x 248 x 182) mm
Weight	8.1 lbs (3.69 kg)
IP Rating	IP64 (with cover closed) IP53 (with cover open)
Altitude Operating	2000 m
Operating Temperature	(14 to 131) °F (-10 to 55) °C & (10 to 80) % RH
Storage Temperature (without battery)	(-40 to 140) °F (-40 to 60) °C & (10 to 90) % RH
Safety	IEC/EN 61010-1 50V CAT III Pollution 2

Quick Start Guides

Model 6255

Datasheets

Model 6255 - English

Modelo 6255 - Español

Rent Now

Premiere Rental Partners

Comparison Charts

Micro-Ohmmeter Comparison Chart

Micro-Ohmmeter Comparison Chart - Español

Software

Micro-Ohmmeter Software

Application Notes

Measuring Resistance/Impedance with the Four-Wire Kelvin Method

Calculators

Slope Method Calculation - Automated way of calculating the S electrode placement when using the slope method

Three Measurement Method

Technical Bulletins

Watts Current Issue 16

Troubleshooting

Model 6255 Error Codes

Applications - Graphic Illustrations

Power Distribution (Switchgear)

Videos

Micro-Ohmmeter Test Lead Connections

Kelvin Method Explained

Cat. #	Description	List Price	Quantity/Status
1017.84	Kelvin Clips 10 ft (10A - Hippo)	$221.00
2118.70	Kelvin Clips 20 ft (10A - Hippo)	$275.00
2118.73	Set of 2 10 ft Kelvin Probes (1A, Spring Loaded)	$137.75
2118.74	Kelvin Probes 20 ft (1A, Spring Loaded)	$175.00
2118.77	Kelvin Probes 10 ft (10A, Spring Loaded)	$684.00
2118.78	Kelvin Probes 20 ft (10A, Spring Loaded)	$772.00
2118.79	Kelvin Clips 10 ft (1-10A)	$120.00
2118.80	Kelvin Clips 20 ft (1-10A)	$170.00
2118.84	Kelvin Probes Pistol Grip 10 ft (25 A, Spring Loaded)	$695.00
2118.85	Kelvin Probes Pistol Grip 20 ft (25 A) Spring Loaded	$755.00
2119.45	Cable – Replacement PC RS-232, DB9 F/F 6 ft Null Modem Cable for 1060, 5060 & 5070 (for units purchased before July 1, 2022), 6250, and 6255	$21.00
2129.91	Battery – Replacement NiMH 6 V 9000 mAH for Models 6240, 6250, and 6255	$260.00
2129.95	RTD Temperature Probe for use with Models 6250 and 6255	$252.00
2129.96	RTD Temperature Probe w/7 ft Extension Cable for Models 6250 and 6255	$425.00
2129.98	Fuse – Set of 3, 16A, 250V (Fast Blow), 6.3 x 32mm for Models 6250 and 6255	$70.50
2129.99	Fuse – Set of 10, 2A, 250V (Fast Blow), 5 x 20mm for Models 6250 and 6255	$27.50
2133.73	Extra Large Classic Tool Bag Replacement for Models: 3945/3945-B, 6240, 6255, 6292, 6471, 6505, 5050, 5060, 5070, 8333, 8335, 8336, 8435, 8436, 8510 & PEL105 Dimensions: (18 x 9 x 12) in	$58.00
2135.43	Inverter - 12VDC to 120VAC 200 Watt for Vehicle Use (use with Ground Testers, Megohmmeters & Micro-ohmmeters)	$90.00
5000.10	Set of 5, replacement screw-on spaded lugs for ground resistance tester kits	$17.50
5000.14	Power cord 115V for Micro-ohmmeters, Megohmmeters, Power Instruments, Oscilloscopes & Ground Testers	$11.00
5000.60	Adapter - RS-232 to USB 2.0 replacement for models 3945-B, 1060, 5060 & 5070 (for units purchased before July 1, 2022), 6250, & 6255	$58.50
5000.62	Pin-Set of 10, replacement tips for Kelvin Probes (Cat #2118.73 & 2118.74)	$27.75
5100.02	Latches - Replacement set of 2 for use with AEMC Yellow cases	$13.50
2960.42	Battery - Replacement NiMH 6V 8.5A for Models 6250 & 6255 (Discontinued replaced by Cat.#2160.43)	$0.00	Discontinued

Model
Cat. #	1017.84
Description	Kelvin Clips 10 ft (10A - Hippo)
List Price	$221.00

Model
Cat. #	2118.70
Description	Kelvin Clips 20 ft (10A - Hippo)
List Price	$275.00

Model
Cat. #	2118.73
Description	Set of 2 10 ft Kelvin Probes (1A, Spring Loaded)
List Price	$137.75

Model
Cat. #	2118.74
Description	Kelvin Probes 20 ft (1A, Spring Loaded)
List Price	$175.00

Model
Cat. #	2118.77
Description	Kelvin Probes 10 ft (10A, Spring Loaded)
List Price	$684.00

Model
Cat. #	2118.78
Description	Kelvin Probes 20 ft (10A, Spring Loaded)
List Price	$772.00

Model
Cat. #	2118.79
Description	Kelvin Clips 10 ft (1-10A)
List Price	$120.00

Model
Cat. #	2118.80
Description	Kelvin Clips 20 ft (1-10A)
List Price	$170.00

Model
Cat. #	2118.84
Description	Kelvin Probes Pistol Grip 10 ft (25 A, Spring Loaded)
List Price	$695.00

Model
Cat. #	2118.85
Description	Kelvin Probes Pistol Grip 20 ft (25 A) Spring Loaded
List Price	$755.00

Model
Cat. #	2119.45
Description	Cable – Replacement PC RS-232, DB9 F/F 6 ft Null Modem Cable for 1060, 5060 & 5070 (for units purchased before July 1, 2022), 6250, and 6255
List Price	$21.00

Model
Cat. #	2129.91
Description	Battery – Replacement NiMH 6 V 9000 mAH for Models 6240, 6250, and 6255
List Price	$260.00

Model
Cat. #	2129.95
Description	RTD Temperature Probe for use with Models 6250 and 6255
List Price	$252.00

Model
Cat. #	2129.96
Description	RTD Temperature Probe w/7 ft Extension Cable for Models 6250 and 6255
List Price	$425.00

Model
Cat. #	2129.98
Description	Fuse – Set of 3, 16A, 250V (Fast Blow), 6.3 x 32mm for Models 6250 and 6255
List Price	$70.50

Model
Cat. #	2129.99
Description	Fuse – Set of 10, 2A, 250V (Fast Blow), 5 x 20mm for Models 6250 and 6255
List Price	$27.50

Model
Cat. #	2133.73
Description	Extra Large Classic Tool Bag Replacement for Models: 3945/3945-B, 6240, 6255, 6292, 6471, 6505, 5050, 5060, 5070, 8333, 8335, 8336, 8435, 8436, 8510 & PEL105 Dimensions: (18 x 9 x 12) in
List Price	$58.00

Model
Cat. #	2135.43
Description	Inverter - 12VDC to 120VAC 200 Watt for Vehicle Use (use with Ground Testers, Megohmmeters & Micro-ohmmeters)
List Price	$90.00

Model
Cat. #	5000.10
Description	Set of 5, replacement screw-on spaded lugs for ground resistance tester kits
List Price	$17.50

Model
Cat. #	5000.14
Description	Power cord 115V for Micro-ohmmeters, Megohmmeters, Power Instruments, Oscilloscopes & Ground Testers
List Price	$11.00

Model
Cat. #	5000.60
Description	Adapter - RS-232 to USB 2.0 replacement for models 3945-B, 1060, 5060 & 5070 (for units purchased before July 1, 2022), 6250, & 6255
List Price	$58.50

Model
Cat. #	5000.62
Description	Pin-Set of 10, replacement tips for Kelvin Probes (Cat #2118.73 & 2118.74)
List Price	$27.75

Model
Cat. #	5100.02
Description	Latches - Replacement set of 2 for use with AEMC Yellow cases
List Price	$13.50

Model
Cat. #	2960.42
Description	Battery - Replacement NiMH 6V 8.5A for Models 6250 & 6255 (Discontinued replaced by Cat.#2160.43)
List Price	$0.00
Discontinued

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Micro-Ohmmeter Model 6255

▶ Learn how to properly connect leads to AEMC® Instruments Micro-Ohmmeters (Models 6240, 6250 & 6255)

User Manuals