Clamp-on Meter Model 403

The True RMS Clamp-On Meter Model 403 is safety rated at 1000V CAT IV. It measures voltage, current, resistance, frequency, True InRush®, temperature, and continuity. It can also perform diode checks. Adapter mode allows external sensor inputs to be displayed. Delta relative function allows new measurements to be compared to a reference value. This rugged meter can operate in 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
403 2139.21 Clamp-on Meter Model 403 $0.00 Discontinued
Model403
Cat. #2139.21
DescriptionClamp-on Meter Model 403
List Price$0.00
Discontinued

Model 403 - Cat. #2139.21: Includes a soft carrying case, (2) 5 ft color-coded leads (red/black), (2) color-coded alligator clips (red/black), (1) black test probe, (6) AA batteries and a user manual.

Print
Voltage Range: 1000Vrms AC/DC Autoranging
Resolution Max: 0.01V
Current Range: 1000Arms AC, 1500ADC
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)
Adapter Function: Yes
LCD w/backlight: Yes
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 Manuals

Model 403 - English

Modelo 403 - Español (CA France version)

Datasheets

Model 403 - English

Modelo 403 - Español

Application Notes

AC Line Splitter Model ALS-1 - How to Measure Power with a Clamp-on Watt Meter

True RMS, True InRush, and True Megohmmeter

Videos

400 & 600 Clamp On Series Instructional Presentation

Model Cat. # Description List Price Quantity/Status Distributor 
Stock Check
2119.48 Multi-purpose Canvas Pouch for Ground Testers Models (6416-17), Clamp-on Meters Models (203, 401, 403-404, 601, 603), Power Meters Models (205, 405, 407, 605, 606-7), and Discontinued Models (3710-3731, 8220-30)
Dimensions: (11 x 5 x 2.25) in 		$40.00
2121.05 AC Line Splitter Model ALS-1 $18.00
2126.46 Thermocouple - Needle (7.5x0.5")
K-Type -58° to 1292°F for Models SLII L642, CA863, 1821, 1822, 5233, 5217, MTX 3292B/92B-BT/93B/93B-BT, 203, 403 and 603 		$20.00
Sale: $10.00
2126.47 Thermocouple - Flexible (1m)
K-Type -58° to 480°F for Models SLII L642, CA863, 1821, 1822, 5233, 5217, MTX 3292B/92B-BT/93B/93B-BT, 203, 403 and 603 		$9.95
2139.71 Thermocouple – K-thermocouple w/4mm Integrated Adapter (Replacement for Models 1821,1822, 5233, 5217, MTX 3292B/92B-BT/93B/93B-BT, 203, 401, 403, 404, 601, 603, 675 & 5217) $14.00
2139.72 Replacement Pouch for Clamp-on Meter Models 401, 403, 405, 601, 603 & 605 and Megohmmeter Models 6528 & 6529. Dimensions: 13.54 x 4.75 x 2.75” $18.95
5000.30 Probe - black test probe {Rated 1000V CAT IV, 15A, UL} replacement for Megohmmeter lead sets $6.00
5000.94 Lead - set of 2, 5 ft silicone color-coded (red/black) with 4mm straight/right banana plugs (Rated 1000V, CAT IV, UL) $28.00
5000.98 Probe - red test probe {Rated 1000V CAT IV, 15A, UL V2} $9.00
5000.99 Clip - Safety Alligator - Black (1000V CAT IV, 15A, UL V2) $12.00
5100.00 Clip - Safety Alligator - Red (1000V CAT IV, 15A, UL V2) $12.00
2125.83 Adapter - Banana (Male) to Mini (Female) for K Thermocouple
(color may vary) for models 1821, 1822, 5233, 5217, MTX 3292B/92B-BT/93B/93B-BT, 203, 403 and 603 		$0.00 Discontinued
2140.52 Cat.# 2140.52 is DISCONTINUED. Click on replacement items: Cat #5100.00: Clip - Safety Alligator - Red (1000V CAT IV, 15A, UL V2). DISCONTINUED $0.00 Discontinued
2140.53 Cat.# 2140.53 DISCONTINUED Click on replacement items: Cat #5000.99: Clip - Safety Alligator - Black (1000V CAT IV, 15A, UL V2)).; $0.00 Discontinued
2152.05 Cat.# 2152.05 is DISCONTINUED. Click on 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 #5000.30: Probe - black test probe (Rated 1000V CAT IV, 15A, UL). Cat #5000.98: Probe - red test probe {Rated 1000V CAT IV, 15A, UL V2}. $0.00 Discontinued
Model
Cat. #2119.48
DescriptionMulti-purpose Canvas Pouch for Ground Testers Models (6416-17), Clamp-on Meters Models (203, 401, 403-404, 601, 603), Power Meters Models (205, 405, 407, 605, 606-7), and Discontinued Models (3710-3731, 8220-30)
Dimensions: (11 x 5 x 2.25) in
List Price$40.00
Model
Cat. #2121.05
DescriptionAC Line Splitter Model ALS-1
List Price$18.00
Model
Cat. #2126.46
DescriptionThermocouple - Needle (7.5x0.5")
K-Type -58° to 1292°F for Models SLII L642, CA863, 1821, 1822, 5233, 5217, MTX 3292B/92B-BT/93B/93B-BT, 203, 403 and 603
List Price$20.00
Sale: $10.00
Model
Cat. #2126.47
DescriptionThermocouple - Flexible (1m)
K-Type -58° to 480°F for Models SLII L642, CA863, 1821, 1822, 5233, 5217, MTX 3292B/92B-BT/93B/93B-BT, 203, 403 and 603
List Price$9.95
Model
Cat. #2139.71
DescriptionThermocouple – K-thermocouple w/4mm Integrated Adapter (Replacement for Models 1821,1822, 5233, 5217, MTX 3292B/92B-BT/93B/93B-BT, 203, 401, 403, 404, 601, 603, 675 & 5217)
List Price$14.00
Model
Cat. #2139.72
DescriptionReplacement Pouch for Clamp-on Meter Models 401, 403, 405, 601, 603 & 605 and Megohmmeter Models 6528 & 6529. Dimensions: 13.54 x 4.75 x 2.75”
List Price$18.95
Model
Cat. #5000.30
DescriptionProbe - black test probe {Rated 1000V CAT IV, 15A, UL} replacement for Megohmmeter lead sets
List Price$6.00
Model
Cat. #5000.94
DescriptionLead - set of 2, 5 ft silicone color-coded (red/black) with 4mm straight/right banana plugs (Rated 1000V, CAT IV, UL)
List Price$28.00
Model
Cat. #5000.98
DescriptionProbe - red test probe {Rated 1000V CAT IV, 15A, UL V2}
List Price$9.00
Model
Cat. #5000.99
DescriptionClip - Safety Alligator - Black (1000V CAT IV, 15A, UL V2)
List Price$12.00
Model
Cat. #5100.00
DescriptionClip - Safety Alligator - Red (1000V CAT IV, 15A, UL V2)
List Price$12.00
Model
Cat. #2125.83
DescriptionAdapter - Banana (Male) to Mini (Female) for K Thermocouple
(color may vary) for models 1821, 1822, 5233, 5217, MTX 3292B/92B-BT/93B/93B-BT, 203, 403 and 603
List Price$0.00
Discontinued
Model
Cat. #2140.52
DescriptionCat.# 2140.52 is DISCONTINUED. Click on replacement items: Cat #5100.00: Clip - Safety Alligator - Red (1000V CAT IV, 15A, UL V2). DISCONTINUED
List Price$0.00
Discontinued
Model
Cat. #2140.53
DescriptionCat.# 2140.53 DISCONTINUED Click on replacement items: Cat #5000.99: Clip - Safety Alligator - Black (1000V CAT IV, 15A, UL V2)).;
List Price$0.00
Discontinued
Model
Cat. #2152.05
DescriptionCat.# 2152.05 is DISCONTINUED. Click on 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 #5000.30: Probe - black test probe (Rated 1000V CAT IV, 15A, UL). Cat #5000.98: Probe - red test probe {Rated 1000V CAT IV, 15A, UL V2}.
List Price$0.00
Discontinued

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