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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 ($105.00 each)	$5,550.00	Consult Factory for Availability

Model	6255
Cat. #	2129.84
Description	Micro-Ohmmeter Model 6255 (Kelvin Clips/Probes included)
List Price	$5,550.00
Consult Factory for Availability

Model 6255 (with leads) - Cat. #2129.84: Extra large tool bag, set of (2) 10 ft Kelvin Clips (10A - Hippo), set of (2) 10 ft Kelvin Probes (1A - Spring Loaded), RS-232 DB9 F/F 6 ft null modem cable, RS-232 to USB adapter, US 115V power cord, NiMH rechargeable 6V 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
5mΩ	0.1µΩ	±(0.15% +1.0µΩ)	10A	50mV
25mΩ	1µΩ	±(0.05% +3µΩ)	10A	250mV
250mΩ	10µΩ	±(0.05% +30µΩ)	10A	2500mV
2500mΩ	0.1mΩ	±(0.05% +0.3mΩ)	1A	2500mV
25Ω	1mΩ	±(0.05% +3mΩ)	100mA	2500mV
250Ω	10mΩ	±(0.05% +30mΩ)	10mA	2500mV
2500Ω	100mΩ	±(0.05% +300mΩ)	1mA	2500mV
Temperature Measurement	3 wire 100Ω 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 6V, 8.5Ah
Battery Life: 10A	≥ 5000 tests typical
Battery Charger	120/240VAC ± 20% (45 to 400Hz)
Auto Power OFF	When battery voltage <5.0V
Overload Protection	250Vrms
Dimensions (L x W x H)	10.70 x 9.76 x 7.18” (272 x 248 x 182mm)
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

Model 6255 (10A, Instantaneous, Continuous, Multiple Test, Manual/Auto Temperature Compensation, and DataView® Software), Kelvin Clips/Probes not included) - English

Modelo 6255 - Español

Micróhmetro modelo 6255 (10 A, instantáneo, continuo, múltiples pruebas, manual/automático, compensación de temperatura y software DataView®) - Español

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Comparison Charts

Micro-Ohmmeter Comparison Chart

Micro-Ohmmeter Comparison Chart - Español

Software

DataView^® Software

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

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)	$136.50
2118.74	Kelvin Probes 20 ft (1A, Spring Loaded)	$170.00
2118.77	Kelvin Probes 10 ft (10A, Spring Loaded)	$670.00
2118.78	Kelvin Probes 20 ft (10A, Spring Loaded)	$750.00
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)	$659.00
2118.85	Kelvin Probes Pistol Grip 20 ft (25 A) Spring Loaded	$725.00
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	$20.00
2129.95	RTD Temperature Probe for use with Models 6250 and 6255	$210.00
2129.96	RTD Temperature Probe w/7 ft Extension Cable for Models 6250 and 6255	$350.00
2129.98	Fuse – Set of 3, 16A, 250V (Fast Blow), 6.3 x 32mm for Models 6250 and 6255	$69.00
2129.99	Fuse – Set of 10, 2A, 250V (Fast Blow), 5 x 20mm for Models 6250 and 6255	$26.50
2133.73	Bag – Extra Large Classic Tool Bag Replacement for Models 3945/3945-B, 6240, 6250, 6471, 6505, 5050, 5060, 5070, 8333, 8335, 8336, 8436, 8510 & PEL105 Dimensions: 18 x 9 x 12"	$53.00
2135.43	Inverter - 12VDC to 120VAC 200 Watt for Vehicle Use (use with Ground Testers, Megohmmeters & Micro-ohmmeters)	$90.00
2960.43	2960.43 - Battery - Replacement NiMH 6V 8.5A for Models 6250 & 6255	$279.00
5000.10	Set of 5, replacement screw-on spaded lugs for ground resistance tester kits	$16.00
5000.14	Power cord 115V for Micro-ohmmeters, Megohmmeters, Power Instruments, Oscilloscopes & Ground Testers	$10.00
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)	$27.00
5100.02	Latches - Replacement set of 2 for use with AEMC Yellow cases	$13.25
2118.75	Kelvin Probes Pistol Grip 10 ft (10A, Spring Loaded) (DISCONTINUED replaced by 2118.84)	$0.00	Discontinued
2118.76	Kelvin Probes Pistol Grip 20 ft (10A) Spring Loaded (DISCONTINUED replaced by 2118.85)	$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	$136.50

Model
Cat. #	2118.74
Description	Kelvin Probes 20 ft (1A, Spring Loaded)
List Price	$170.00

Model
Cat. #	2118.77
Description	Kelvin Probes 10 ft (10A, Spring Loaded)
List Price	$670.00

Model
Cat. #	2118.78
Description	Kelvin Probes 20 ft (10A, Spring Loaded)
List Price	$750.00

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	$659.00

Model
Cat. #	2118.85
Description	Kelvin Probes Pistol Grip 20 ft (25 A) Spring Loaded
List Price	$725.00

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	$20.00

Model
Cat. #	2129.95
Description	RTD Temperature Probe for use with Models 6250 and 6255
List Price	$210.00

Model
Cat. #	2129.96
Description	RTD Temperature Probe w/7 ft Extension Cable for Models 6250 and 6255
List Price	$350.00

Model
Cat. #	2129.98
Description	Fuse – Set of 3, 16A, 250V (Fast Blow), 6.3 x 32mm for Models 6250 and 6255
List Price	$69.00

Model
Cat. #	2129.99
Description	Fuse – Set of 10, 2A, 250V (Fast Blow), 5 x 20mm for Models 6250 and 6255
List Price	$26.50

Model
Cat. #	2133.73
Description	Bag – Extra Large Classic Tool Bag Replacement for Models 3945/3945-B, 6240, 6250, 6471, 6505, 5050, 5060, 5070, 8333, 8335, 8336, 8436, 8510 & PEL105 Dimensions: 18 x 9 x 12"
List Price	$53.00

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. #	2960.43
Description	2960.43 - Battery - Replacement NiMH 6V 8.5A for Models 6250 & 6255
List Price	$279.00

Model
Cat. #	5000.10
Description	Set of 5, replacement screw-on spaded lugs for ground resistance tester kits
List Price	$16.00

Model
Cat. #	5000.14
Description	Power cord 115V for Micro-ohmmeters, Megohmmeters, Power Instruments, Oscilloscopes & Ground Testers
List Price	$10.00

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	$27.00

Model
Cat. #	5100.02
Description	Latches - Replacement set of 2 for use with AEMC Yellow cases
List Price	$13.25

Model
Cat. #	2118.75
Description	Kelvin Probes Pistol Grip 10 ft (10A, Spring Loaded) (DISCONTINUED replaced by 2118.84)
List Price	$0.00
Discontinued

Model
Cat. #	2118.76
Description	Kelvin Probes Pistol Grip 20 ft (10A) Spring Loaded (DISCONTINUED replaced by 2118.85)
List Price	$0.00
Discontinued

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Micro-Ohmmeter Model 6255

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