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Micro-Ohmmeter Model 6255

The 10A Micro-Ohmmeter Model 6255 is a rugged, low resistance tester designed for both plant maintenance and field use. Utilizing a four-lead Kelvin method, the Model 6255 is the most accurate Micro-Ohmmeter available, with results within 0.05%. It can test up to 60 minutes continuously at 10A.

The Model 6255 is uniquely designed to conduct tests on both resistive and inductive material, with operator selection directly from the front panel. Three test modes are available; resistive (instantaneous test), inductive (continuous test), and auto (repetitive test). Up to 1500 measurements can be stored and printed directly to a printer from a PC.

The DataView® Software included allows you to configure the instrument, store data and print reports.

NOTE: Our complete catalog is not available for direct online purchase, refer to the Status Column for purchasing options. Items that do not have an Add to Cart button must be purchased from an Authorized Distributor.
Model Cat. # Description List Price Quantity/Status Distributor Stock Check
6255 2129.84 Micro-Ohmmeter Model 6255 $4,575.00 In stock at factory. Find a Distributor
Model6255
Cat. #2129.84
DescriptionMicro-Ohmmeter Model 6255
List Price$4,575.00
In stock at factory. Find a Distributor
Print
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
Model Cat. # Description List Price Quantity/Status Distributor Stock Check
1017.84 Kelvin Clips 10 ft (10A - Hippo) $199.00
2118.70 Kelvin Clips 20 ft (10A - Hippo) $229.00
2118.73 Set of 2 10 ft Kelvin Probes (1A, Spring Loaded) $99.00
2118.74 Kelvin Probes 20 ft (1A, Spring Loaded) $149.00
2118.75 Kelvin Probes Pistol Grip 10 ft (10A, Spring Loaded) $599.00
2118.76 Kelvin Probes Pistol Grip 20 ft (10A) Spring Loaded $649.00
2118.77 Kelvin Probes 10 ft (10A, Spring Loaded) $569.00
2118.78 Kelvin Probes 20 ft (10A, Spring Loaded) $629.00
2118.79 Kelvin Clips 10 ft (1-10A) $99.00
2118.80 Kelvin Clips 20 ft (1-10A) $149.00
2119.45 Cable – Replacement PC RS-232, DB9 F/F 6 ft Null Modem Cable for 1060, 5060, 5070, 6250, and 6255 $16.95
2129.72 Lead - Replacement, Set of 2, 25ft Kelvin Lead with Hippo Clamp for Models 6240, 6255, and 6292 $779.00
2129.73 Lead - Set of 2, 50ft Kelvin Lead with Hippo Clamp for Models 6240, 6255, and 6292 $1,299.00
2129.95 RTD Temperature Probe for use with Models 6250 and 6255 $179.00
2129.96 RTD Temperature Probe w/7 ft Extension Cable for Models 6250 and 6255 $298.00
2129.98 Fuse – Set of 3, 16A, 250V (Fast Blow), 6.3 x 32mm for Models 6250 and 6255 $49.95
2129.99 Fuse – Set of 10, 2A, 250V (Fast Blow), 5 x 20mm for Models 6250 and 6255 $14.30
2133.73 Bag – Extra Large Classic Tool Bag Replacement for Models 3945/3945-B, 6240, 6250, 6471, 6505, 5050, 5060, 5070, 8333, 8335, 8336 & PEL105
Dimensions: 18 x 9 x 12"
$44.00
2135.43 Inverter - 12VDC to 120VAC 200 Watt for Vehicle Use (use with Ground Testers, Megohmmeters & Micro-ohmmeters) $79.00
5000.14 Power Cord 115V for Micro-ohmmeters, Megohmmeters, Power Instruments, Oscilloscopes & Ground Testers $8.00
5000.60 Adapter - RS-232 to USB 2.0 Replacement for Models 3945-B, 1060, 5060, 5070 & 6250 $34.95
5000.62 Set of 10 Replacement Pins for Kelvin Probes 1A Spring Loaded $19.95
Model
Cat. #1017.84
DescriptionKelvin Clips 10 ft (10A - Hippo)
List Price$199.00
Model
Cat. #2118.70
DescriptionKelvin Clips 20 ft (10A - Hippo)
List Price$229.00
Model
Cat. #2118.73
DescriptionSet of 2 10 ft Kelvin Probes (1A, Spring Loaded)
List Price$99.00
Model
Cat. #2118.74
DescriptionKelvin Probes 20 ft (1A, Spring Loaded)
List Price$149.00
Model
Cat. #2118.75
DescriptionKelvin Probes Pistol Grip 10 ft (10A, Spring Loaded)
List Price$599.00
Model
Cat. #2118.76
DescriptionKelvin Probes Pistol Grip 20 ft (10A) Spring Loaded
List Price$649.00
Model
Cat. #2118.77
DescriptionKelvin Probes 10 ft (10A, Spring Loaded)
List Price$569.00
Model
Cat. #2118.78
DescriptionKelvin Probes 20 ft (10A, Spring Loaded)
List Price$629.00
Model
Cat. #2118.79
DescriptionKelvin Clips 10 ft (1-10A)
List Price$99.00
Model
Cat. #2118.80
DescriptionKelvin Clips 20 ft (1-10A)
List Price$149.00
Model
Cat. #2119.45
DescriptionCable – Replacement PC RS-232, DB9 F/F 6 ft Null Modem Cable for 1060, 5060, 5070, 6250, and 6255
List Price$16.95
Model
Cat. #2129.72
DescriptionLead - Replacement, Set of 2, 25ft Kelvin Lead with Hippo Clamp for Models 6240, 6255, and 6292
List Price$779.00
Model
Cat. #2129.73
DescriptionLead - Set of 2, 50ft Kelvin Lead with Hippo Clamp for Models 6240, 6255, and 6292
List Price$1,299.00
Model
Cat. #2129.95
DescriptionRTD Temperature Probe for use with Models 6250 and 6255
List Price$179.00
Model
Cat. #2129.96
DescriptionRTD Temperature Probe w/7 ft Extension Cable for Models 6250 and 6255
List Price$298.00
Model
Cat. #2129.98
DescriptionFuse – Set of 3, 16A, 250V (Fast Blow), 6.3 x 32mm for Models 6250 and 6255
List Price$49.95
Model
Cat. #2129.99
DescriptionFuse – Set of 10, 2A, 250V (Fast Blow), 5 x 20mm for Models 6250 and 6255
List Price$14.30
Model
Cat. #2133.73
DescriptionBag – Extra Large Classic Tool Bag Replacement for Models 3945/3945-B, 6240, 6250, 6471, 6505, 5050, 5060, 5070, 8333, 8335, 8336 & PEL105
Dimensions: 18 x 9 x 12"
List Price$44.00
Model
Cat. #2135.43
DescriptionInverter - 12VDC to 120VAC 200 Watt for Vehicle Use (use with Ground Testers, Megohmmeters & Micro-ohmmeters)
List Price$79.00
Model
Cat. #5000.14
DescriptionPower Cord 115V for Micro-ohmmeters, Megohmmeters, Power Instruments, Oscilloscopes & Ground Testers
List Price$8.00
Model
Cat. #5000.60
DescriptionAdapter - RS-232 to USB 2.0 Replacement for Models 3945-B, 1060, 5060, 5070 & 6250
List Price$34.95
Model
Cat. #5000.62
DescriptionSet of 10 Replacement Pins for Kelvin Probes 1A Spring Loaded
List Price$19.95

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