Clamp-on Meter Model 203

The True RMS Clamp-On Meter Model 203 is safety rated at 600V CAT IV. It measures AC+DC volts and amps, frequency, continuity, resistance, and temperature (with the supplied K thermocouple probe). The Model 203 can also perform diode checks. Its Adapter mode displays external sensor inputs. The Delta relative function compares new measurements to a reference value, and the MIN/MAX function tracks high and low values. This compact and rugged meter can operate in demanding work environments.

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
203 2139.12 Clamp-on Meter Model 203 $0.00 Discontinued
Model203
Cat. #2139.12
DescriptionClamp-on Meter Model 203
List Price$0.00
Discontinued

Model 203 - Cat. #2139.12: Includes a soft carrying case, set of (2) 5 ft (1.5m) needle tip color-coded (red/black) leads w/ 4mm right-angle plug, K-thermocouple with 4mm integrated adapter, (1) 9V battery and a user manual.

Print
Voltage Range: 1000Vrms AC/DC Autoranging
Resolution Max: 0.01V
Current Range: 600Arms AC, 900ADC
Resolution Max: 0.01A
Accuracy V Typical: 1% ± 3cts
Accuracy A Typical: 1% ± 3cts
InRush: 6 to 600AAC, 6 to 900ADC
Continuity: Selectable from 0 to 599.9Ω
Resistance: 60kΩ
Diode Test: 0 to 3.2VDC
Frequency: 20kHz in V, 3kHz in A
Temperature K Thermocouple: -76.0 to 2192°F (-60 to 1200°C)
Adapter Function: Yes
MIN/MAX: Yes
Power Source: 1 x 9V, IEC LF22
Battery Life: >130 hours
Dimensions: 8.7 x 3.1 x 1.65" (222 x 78 x 42mm)
Weight: 12.0 oz. (340g) with battery
Jaw Opening: 1.34" (34mm)
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: IP40
EMC: EN61326-1
Safety Compliance: EN/IEC 61010-1: 1000V CAT III, 600V CAT IV
EN/IEC 61010-2-030:2010
EN/IEC 61010-032:2002

User Manuals

Model 203 - English

Modelo 203 - Español (CA France version)

Datasheets

Model 203 - English

Modelo 203 - Español

Brochures

Clamp-on Meters

Comparison Charts

Clamp-on Meter Comparion Chart (200/400/600 Series)

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

What is Inrush Current?

Model Cat. # Description List Price Quantity/Status Distributor 
Stock Check
2118.65 Carrying Case for Clamp-on Meters and Multimeters $20.50
2121.05 AC Line Splitter Model ALS-1 $18.00
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 		$24.25 Consult Factory for Availability
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 		$9.25
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, 601, 603, 607, 675 & 5217) $14.00
2154.74 Lead - Replacement Set of 2, Needle Tip Color-coded (Red/Black) w/4mm Right-angle Plug {600V CAT IV w/shield on Needle Tip, 1000V CAT II w/o Shield} for Models 5212, 5215 & 5217 (or any meter that accepts 4mm banana plugs) $13.25
5000.94 Lead - set of 2, 5 ft silicone color-coded (red/black) with 4mm straight/right banana plugs (Rated 1000V, CAT IV, UL) $26.50
5000.97 Probe - black test probe {Rated 1000V CAT IV, 15A, UL V2} $9.00
5000.99 Clip - Safety Alligator - Black (1000V CAT IV, 15A, UL V2) $11.50
5100.00 Clip - Safety Alligator - Red (1000V CAT IV, 15A, UL V2) $11.50
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
2152.27 Cat.# 2152.27 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: Blk Alligator Clip. Cat #5100.00: Red Alligator Clip. Cat #5000.97: Probe - black test probe (Rated 1000V CAT IV, 15A, UL V2). $0.00 Discontinued
Model
Cat. #2118.65
DescriptionCarrying Case for Clamp-on Meters and Multimeters
List Price$20.50
Model
Cat. #2121.05
DescriptionAC Line Splitter Model ALS-1
List Price$18.00
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$24.25
Consult Factory for Availability
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$9.25
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, 601, 603, 607, 675 & 5217)
List Price$14.00
Model
Cat. #2154.74
DescriptionLead - Replacement Set of 2, Needle Tip Color-coded (Red/Black) w/4mm Right-angle Plug {600V CAT IV w/shield on Needle Tip, 1000V CAT II w/o Shield} for Models 5212, 5215 & 5217 (or any meter that accepts 4mm banana plugs)
List Price$13.25
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$26.50
Model
Cat. #5000.97
DescriptionProbe - black 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$11.50
Model
Cat. #5100.00
DescriptionClip - Safety Alligator - Red (1000V CAT IV, 15A, UL V2)
List Price$11.50
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. #2152.27
DescriptionCat.# 2152.27 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: Blk Alligator Clip. Cat #5100.00: Red Alligator Clip. Cat #5000.97: Probe - black test probe (Rated 1000V CAT IV, 15A, UL V2).
List Price$0.00
Discontinued

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