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 |
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| 6255 | 2129.84 | Micro-Ohmmeter Model 6255 (Kelvin Clips/Probes included) | $5,725.00 | In stock at factory. Find a Distributor |
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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 |
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User Manuals
Model 6255
Spring-Loaded 25 A Test Probes - EN, ES, FR
Battery-Pack-Replacement-Instructions_6250-6255
Battery Recharge Time / Rechargeable NiMH Notice
Kelvin Probe Lead Connection for Micro-Ohmmeters
Quick Start Guides
Datasheets
Brochures
Rent Now
Comparison Charts
Software
Application Notes
Tiempo de recarga de las baterías / Aviso de NiMH recargable
Measuring Resistance/Impedance with the Four-Wire Kelvin Method
Forms
Stored Measurement Results Form
Micro-Ohmmeter Measurement Result Form
Slope Method Calculation - Automated way of calculating the S electrode placement when using the slope method.
Calculators
Slope Method Calculation - Automated way of calculating the S electrode placement when using the slope method
Three Measurement Method
Technical Bulletins
Troubleshooting
Videos
Micro-Ohmmeter Test Lead Connections
Kelvin Method Explained
| Model | Cat. # | Description | List Price | Quantity/Status | Distributor Stock Check |
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1017.84 | Kelvin Clips 10 ft (10A - Hippo) | $221.00 |
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2118.70 | Kelvin Clips 20 ft (10A - Hippo) | $275.00 |
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2118.73 | Set of 2 10 ft Kelvin Probes (1A, Spring Loaded) | $137.75 |
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2118.74 | Kelvin Probes 20 ft (1A, Spring Loaded) | $175.00 |
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2118.77 | Kelvin Probes 10 ft (10A, Spring Loaded) | $684.00 |
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2118.78 | Kelvin Probes 20 ft (10A, Spring Loaded) | $772.00 |
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2118.79 | Kelvin Clips 10 ft (1-10A) | $120.00 |
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2118.80 | Kelvin Clips 20 ft (1-10A) | $170.00 |
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2118.84 | Kelvin Probes Pistol Grip 10 ft (25 A, Spring Loaded) | $695.00 |
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2118.85 | Kelvin Probes Pistol Grip 20 ft (25 A) Spring Loaded | $755.00 |
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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 |
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2129.91 | Battery – Replacement NiMH 6 V 9000 mAH for Models 6240 for Models 6240, 6250, and 6255 | $260.00 |
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2129.95 | RTD Temperature Probe for use with Models 6250 and 6255 | $210.00 |
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2129.96 | RTD Temperature Probe w/7 ft Extension Cable for Models 6250 and 6255 | $360.00 |
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2129.98 | Fuse – Set of 3, 16A, 250V (Fast Blow), 6.3 x 32mm for Models 6250 and 6255 | $70.50 |
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2129.99 | Fuse – Set of 10, 2A, 250V (Fast Blow), 5 x 20mm for Models 6250 and 6255 | $27.50 |
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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 |
$55.00 |
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2135.43 | Inverter - 12VDC to 120VAC 200 Watt for Vehicle Use (use with Ground Testers, Megohmmeters & Micro-ohmmeters) | $90.00 |
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5000.10 | Set of 5, replacement screw-on spaded lugs for ground resistance tester kits | $16.50 |
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5000.14 | Power cord 115V for Micro-ohmmeters, Megohmmeters, Power Instruments, Oscilloscopes & Ground Testers | $10.50 |
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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 |
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5000.62 | Pin-Set of 10, replacement tips for Kelvin Probes (Cat #2118.73 & 2118.74) | $27.75 |
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5100.02 | Latches - Replacement set of 2 for use with AEMC Yellow cases | $13.25 |
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2960.42 | Battery - Replacement NiMH 6V 8.5A for Models 6250 & 6255 (Discontinued replaced by Cat.#2160.43) | $0.00 | Discontinued |
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