1. Introducción y Kit Overview
The Klein Tools CL110KIT is a comprehensive electrical maintenance and test kit designed for professionals and DIY enthusiasts. This kit provides essential tools for measuring AC current, AC/DC voltage, resistance, and continuity, as well as testing GFCI receptacles and safely measuring current draw. The kit includes the CL110 400A Auto-Ranging Digital Clamp Meter, the RT210 GFCI Receptacle Tester, and the 69409 Line Splitter 10x.
Características principales:
- CL110 400A Auto-Ranging Digital Clamp Metro: Measures AC current via the clampy volumen CA/CCtage, resistance, and continuity via test leads. Features a backlit display for clear readings.
- RT210 GFCI Receptacle Tester: Detects common wiring problems in standard and GFCI receptacles, including open ground, reverse polarity, open hot, open neutral, and hot/ground reversed.
- 69409 Line Splitter 10x: Allows for measuring current draw up to 15A without splitting the load's power cord, providing a 10x amplified reading for precise measurement with the clamp metro.

Figure 1.1: The Klein Tools CL110KIT, showcasing the CL110 Clamp Meter, RT210 GFCI Receptacle Tester, and 69409 Line Splitter.
2. Información de seguridad
ADVERTENCIA: To ensure safe operation, always read, understand, and follow all instructions, cautions, and warnings provided with this kit and all test and measurement devices before each use. Failure to do so may result in serious injury or death.
- Do not attempt to measure resistance or continuity on live circuits.
- Antes de cada uso, verifique el funcionamiento del medidor midiendo un volumen conocido.tage o actual.
- No utilice el medidor durante tormentas eléctricas o en clima húmedo.
- No utilice el medidor ni los cables de prueba si parecen estar dañados.
- Utilice siempre el equipo de protección personal (EPP) adecuado cuando trabaje con circuitos eléctricos.
- The CL110 Clamp Meter is rated for CAT III 600V. Ensure your application falls within these safety ratings.
3. Configuración
3.1 Battery Installation (CL110 Clamp Metro)
The CL110 Clamp Meter requires three (3) AAA batteries (included). To install or replace batteries:
- Asegúrese de que el medidor esté apagado y desconecte todos los cables de prueba del medidor y de cualquier circuito.
- Localice la tapa del compartimiento de la batería en la parte posterior del medidor.
- Utilice un destornillador para aflojar el tornillo que fija la tapa del compartimento de la batería.
- Remove the cover and insert the AAA batteries, observing correct polarity (+/-).
- Vuelva a colocar la tapa del compartimiento de la batería y apriete el tornillo firmemente.

Figura 3.1: Atrás view of the CL110 Clamp Meter, indicating the battery compartment location.
3.2 Connecting Test Leads (CL110 Clamp Metro)
Por voltage, resistance, and continuity measurements, connect the included test leads to the meter:
- Inserte el cable de prueba negro en el conector “COM” (común).
- Inserte el cable de prueba rojo en el 'VΩ' (voltage/resistance) jack.
- Ensure the leads are fully seated in the jacks before use.

Figura 3.2: Lado view of the CL110 Clamp Meter, highlighting the test lead input jacks.
4. Instrucciones de funcionamiento
4.1 Using the CL110 400A Auto-Ranging Digital Clamp Metro
The CL110 is an auto-ranging meter, simplifying measurements by automatically selecting the correct range for most functions.
To Measure AC Current (via Clamp):
- Turn the rotary dial to the 'A~' (AC Current) setting.
- Abre la clamp mandíbulas presionando el gatillo.
- Encircle a single conductor (not a power cord with multiple conductors) with the clamp mandíbulas. Asegúrese de que las mandíbulas estén completamente cerradas.
- Read the AC current value on the backlit display.

Figure 4.1: The CL110 Clamp Meter in use, measuring current on a single conductor.
Para medir el volumen CA/CCtage, Resistance, or Continuity (via Test Leads):
- Conecte los cables de prueba como se describe en la Sección 3.2.
- Turn the rotary dial to the desired function: 'V~' for AC Voltage, 'V=' para volumen de CCtage, 'Ω' for Resistance, or '♫' for Continuity.
- Carefully touch the test probes to the circuit points you wish to measure.
- Read the measurement on the backlit display. For continuity, an audible tone indicates a continuous circuit.
4.2 Using the RT210 GFCI Receptacle Tester
The RT210 GFCI Receptacle Tester quickly identifies common wiring faults in 120V AC outlets.
- Plug the RT210 directly into the 120V AC receptacle.
- Observe the indicator lights on the tester. Refer to the legend on the tester for the meaning of different light patterns (e.g., Open Ground, Reverse Polarity, Correct Wiring).
- To test a GFCI receptacle, press the 'PUSH TO TEST GFCI' button. A working GFCI should trip, cutting power to the outlet. Reset the GFCI after testing.

Figure 4.2: The RT210 GFCI Receptacle Tester indicating wiring status in an outlet.
4.3 Using the 69409 Line Splitter 10x
The 69409 Line Splitter allows for safe and convenient measurement of AC current draw for appliances up to 15A without needing to separate the conductors of a power cord.
- Plug the appliance's power cord into the Line Splitter.
- Plug the Line Splitter into a 120V AC wall outlet.
- Turn the CL110 Clamp Meter to the 'A~' (AC Current) setting.
- Clamp the CL110 around the '10x' loop on the Line Splitter. This loop amplifies the current by a factor of 10, providing a more precise reading for low current draws.
- Turn on the appliance and read the value on the CL110 display. Divide this reading by 10 to get the actual current draw of the appliance.
- For direct (1x) current measurement, clamp the CL110 around the '1x' loop.
5. Mantenimiento
5.1 Limpieza
Wipe the meter and accessories with a clean, dry, lint-free cloth. Do not use abrasive cleaners or solvents. Ensure the devices are dry before storage or use.
5.2 Battery Replacement (CL110 Clamp Metro)
Replace the batteries when the low battery indicator appears on the display. Refer to Section 3.1 for battery installation instructions. Always use fresh AAA alkaline batteries.
5.3 Almacenamiento
When not in use, store the kit components in the included carrying pouch in a cool, dry place, away from direct sunlight and extreme temperatures. If storing for extended periods, remove the batteries from the CL110 Clamp Meter to prevent leakage.
6. Solución de problemas
- El medidor no se enciende: Verifique la instalación de la batería y asegúrese de que las baterías estén nuevas.
- No se muestra ninguna lectura o se muestra 'OL' (sobrecarga): Ensure test leads are properly connected and the rotary dial is set to the correct function. For current measurements, ensure the clamp is fully closed around a single conductor. If 'OL' persists, the measured value may exceed the meter's range.
- Lecturas inexactas: Verify meter operation with a known voltage or current source. Check for damaged test leads or dirty connections.
- GFCI Tester shows incorrect wiring: Consult a qualified electrician to inspect and correct the wiring of the receptacle.
- GFCI Tester does not trip GFCI: The GFCI receptacle may be faulty or improperly wired. Consult a qualified electrician.
7. Especificaciones
| Característica | Especificación |
|---|---|
| Marca | KLEIN TOOLS |
| Número de modelo | Kit CL110 |
| Tipo de medida | Multimeter (Clamp Metro) |
| Rango de corriente CA | 400 Amp (Rango automático) |
| Vol. CA / CCtage | Sí |
| Resistencia | Sí |
| Continuidad | Sí |
| Clasificación de seguridad | CAT III 600 V |
| Mostrar | Pantalla digital retroiluminada |
| Fuente de poder | 3 pilas AAA (incluidas) |
| Peso del artículo | 15 onzas |
| Dimensiones del producto | 11.8 x 5.4 x 2.1 pulgadas |
| Material | Plástico |
| Componentes incluidos | CL110 Clamp Meter, RT210 GFCI Receptacle Tester, 69409 Line Splitter 10x, Test Leads, Batteries, Carrying Case |
8. Vídeo del producto terminadoview
Vídeo 8.1: Un finalview of Klein Tools Test & Measurement products, highlighting features such as durable design, comfortable handling, large backlit displays, and compliance with safety requirements. This video provides general information about the quality and design of Klein Tools meters.
9. Garantía y soporte
For warranty information and technical support, please refer to the documentation included with your product or visit the official Klein Tools webSitio. Conserve su recibo de compra como comprobante de compra para cualquier reclamación de garantía.