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Clamp-on Meter Model 401

The True RMS Clamp-On Meter Model 401 is safety rated at 1000V CAT IV. It measures voltage, current, resistance, frequency, True InRush®, temperature, and continuity. It can also perform diode checks. This rugged meter can operate in the most demanding work environments, and its IP54 rating allows it to withstand both dust and water spray.

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
401 2139.20 Clamp-on Meter Model 401 $309.00
Sale: $185.40
401 (refurbished) 901.2139.20 Clamp-on Meter Model 401Allow up to 72 hours for shipping $309.00
Sale: $77.25
Model401
Cat. #2139.20
DescriptionClamp-on Meter Model 401
List Price$309.00
Sale: $185.40
Model401 (refurbished)
Cat. #901.2139.20
DescriptionClamp-on Meter Model 401Allow up to 72 hours for shipping
List Price$309.00
Sale: $77.25
Print
Voltage Range: 1000Vrms AC/DC Autoranging
Resolution Max: 0.01V
Current Range: 1000Arms AC
Resolution Max: 0.01A
Accuracy V Typical: 1% ± 3cts
Accuracy A Typical: 1% ± 3cts
InRush: 10 to 1000A
Continuity: Selectable from 0 to 999.9Ω
Resistance: 100kΩ
Diode Test: 0 to 3.2VDC
Frequency: 20kHz in V, 2kHz in A
Temperature K Thermocouple: -76.0 to 2192°F (-60 to 1200°C)
Accuracy Temperature: 1% R ± 5.4°F (1% R ± 3°C)
MIN/MAX: Yes
Power Source: 4 x AA, NEDA 15A, IEC LR6
Battery Life: >350 hours
Dimensions: 10.7 x 3.6 x 1.6" (272 x 92 x 41mm)
Weight: 1.32 lbs (600g) with batteries
Jaw Opening: 1.89" (48mm)
Operating Temperature: -4° to +131°F (-20 to +55°C)
Storage Temperature: -40° to +158°F (-40 to +70°C)
Operating Humidity: 90% up to 131°F (55°C)
Pollution Degree: 2
Ingress Protection: IP54
EMC: EN61326-1
Safety Compliance: EN/IEC 61010-1 to 1000V CAT IV
EN/IEC 61010-2-030:2010
EN/IEC 61010-032:2002

User Manual

Datasheet

Brochure

Application Notes

Video

400 & 600 Clamp On Series Instructional Presentation

Model Cat. # Description List Price Quantity/Status Distributor 
Stock Check
2121.05 AC Line Splitter Model ALS-1 $17.00
2139.71 Thermocouple – K-thermocouple w/4mm Integrated Adapter (Replacement for Models 401, 403, 601, 603 & 5217) $11.95
2139.72 Replacement Case for Clamp-on Meter Models 401, 403, 405, 601, 603 & 605 $18.95
2140.52 Clip - Safety Alligator - Red {Rated 1000V CAT IV, 15A, UL} $8.50 Out of Stock Consult Factory for Availability
2140.53 Clip - Safety Alligator - Black {Rated 1000V CAT IV, 15A, UL} $8.50
2152.05 DISCONTINUED See replacement items: Cat #5000.94 Lead - set of 2, 5 ft silicone color-coded (red/black) with 4mm straight/right banana plugs (Rated 1000V, CAT IV, UL) ; Cat #5000.99 Clip - Safety Alligator - Black (1000V CAT IV, 15A, UL V2) ; Cat #5100.00 Clip - Safety Alligator - Red (1000V CAT IV, 15A, UL V2) ; Cat #5000.33 Probe - black test probe (Rated 1000V CAT IV, 15A, UL) ; Cat #5000.31 Probe - red test probe (1000V CAT IV, 15A, UL) ; $0.00 Discontinued
Model
Cat. #2121.05
DescriptionAC Line Splitter Model ALS-1
List Price$17.00
Model
Cat. #2139.71
DescriptionThermocouple – K-thermocouple w/4mm Integrated Adapter (Replacement for Models 401, 403, 601, 603 & 5217)
List Price$11.95
Model
Cat. #2139.72
DescriptionReplacement Case for Clamp-on Meter Models 401, 403, 405, 601, 603 & 605
List Price$18.95
Model
Cat. #2140.52
DescriptionClip - Safety Alligator - Red {Rated 1000V CAT IV, 15A, UL}
List Price$8.50
Out of Stock Consult Factory for Availability
Model
Cat. #2140.53
DescriptionClip - Safety Alligator - Black {Rated 1000V CAT IV, 15A, UL}
List Price$8.50
Model
Cat. #2152.05
DescriptionDISCONTINUED See replacement items: Cat #5000.94 Lead - set of 2, 5 ft silicone color-coded (red/black) with 4mm straight/right banana plugs (Rated 1000V, CAT IV, UL) ; Cat #5000.99 Clip - Safety Alligator - Black (1000V CAT IV, 15A, UL V2) ; Cat #5100.00 Clip - Safety Alligator - Red (1000V CAT IV, 15A, UL V2) ; Cat #5000.33 Probe - black test probe (Rated 1000V CAT IV, 15A, UL) ; Cat #5000.31 Probe - red test probe (1000V CAT IV, 15A, UL) ;
List Price$0.00
Discontinued

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