Dual-Display Mini Clamp Meter - SC53

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Dual-Display Mini Clamp Meter - SC53

Read amps and volts at the same time with the Dual-Display Mini Clamp Meter with Temperature, model SC53. Includes the ranges you use everyday for HVAC/R testing in a compact=


Dual-Display Mini Clamp Meter with Temperature - Read Amps and Volts at the Same Time -  model SC53
Read amps and volts at the same time with the Dual-Display Mini Clamp Meter with Temperature, model SC53.  In addition to having a dedicated display for reading amps, you can measure any of the other ranges on the meter dial simultaneously.  The SC53 is compact measuring only about 8-inches, easy to use and includes many of the ranges you use everyday during HVAC/R field service.  Many instructors recommend the SC53 as a starter meter while seasoned veterans call it a little HVAC workhorse. Temperature and capacitance, built-in safety features like non-contact voltage and amp or dial hold, make this meter a solid choice for the work you do in the field.

The SC53 is an auto ranging DMM that with a dedicated amp clamp and display, as well as a display for the rest of the ranges on the meter. When you select a range and hook up to the circuit, the SC53’s bottom display automatically includes symbols or proper decimal places for the range you are testing.  If you are out of the given range on this meter you will receive and “OL” message.  The push button non-contact voltage feature allows you to determine whether a line is hot or not right on the meter.

Selecting Ranges
The following is a look at all of the functions found the SC53 Dual Display DMM for HVAC/R. For DC voltage, set the meter to the VDC parameter instead of VAC (shown below).

Features and benefit

The SC53 is a unique meter.  Not in that it has a dual-display, but in the fact that it has a dual-display and it was made for HVAC/R field service. It includes features and benefits for HVAC/R that really stand out:.

The SC53 display allows you to read amperage while testing any other function on the dial. More tests at one time means the job gets done right and the job gets done faster, 
Non-contact Voltage
With the NCV tab on the tip of the clamp close to an AC voltage, press and hold the NCV button. The NCV LED will light with an analog feel and the beeper will beep. The closer you get to AC voltage, the louder the beep. The NCV function is sensitive enough to detect 24VAC on thermostats (24V to 600V, 50Hz to 60Hz). 
Using the built-in amp clamp, read 0-400 amps directly on your meter with 0.1 resolution. 
Capacitance (MFD)
Measure microfarads on motor-run and motor-start capacitors using this range.  Disconnect the capacitor from power first. Short the terminals to discharge the capacitor. Disconnect any resistors that might be between the terminals of the capacitor and measure to check for degradation.
Take ambient air or refrigeration line temperatures and more with the built-in K-type port and the included ATB1 wrap tab thermocouple. Add a wet sock (saturated tissue or a shoelace to take wet bulb temperatures. The built-in temperature junction offers great temperature compensation for more accurate and faster measurements,
Wire Grabbing Jaw
The amp clamp is shaped like a jaw to make grabbing a single wire easy using only one hand.
The HOLD button is easily pressed with your thumb while holding the mini clamp meter naturally in your hand. It holds any reading on your SC53 so you can concentrate on the test points and look at the LCD after you’ve disconnected.

And More:

  • Volts AC.
  • Volts DC.
  • Resistance (Ohms).
  • Continuity.
  • Rugged ABS case.
  • Ergonomic shape fits naturally in your hand.
  • Auto power-off (APO) to conserve battery life.
  • Compact - under 8” tall.

The SC53 has features and benefits that rival many full-size clamp-on multimeters it also has new safety features to help protect you during field service.. The built-in non-contact voltage sensor (NCV) sensor tells you if a line is hot or not before you work on it.  The continuity beeper tells you if a circuit is open or closed. The hold button on the side of the SC.53 allows you to concentrate on the test point, hold the reading and then look at the display after you’ve disconnected. And the temperature switch won’t let you test potentially dangerous voltages until you’ve unplugged the thermocouple, moved the switch, and plugged in your test leads.  Safer, a dual-display for faster testing, all in a compact meter – it all makes the SC53 a top choice of field service rookies and veterans alike.


  • Dual-Display Mini Clamp Meter with Temperature - SC53
  • Vinyl Test Leads
  • Mini Clamp-On Meter Case - ANC4
  • Three (3) 3V lithium-ion CR2032 batteries (installed)
  • Operator’s manual

Display: 3¾ digit liquid crystal display (LCD) with a maximum reading of 3999.
Overrange: "OL" or “-OL” mark indication.
Auto power off: 10 minutes.
Operating environment: 32 to 122°F (0 to 50°C), at <70% R.H.
Storage temperature: -4 to 140°F (-20 to 60°C), @ <80% R.H. with batteries removed.
Accuracy: Specifications good in ambient conditions of 74°F ±8°F (23°C ±4°C), <75% relative humidity.
Temperature coefficient: 0.1×(specified accuracy) per °F/°C; 32 to 66°F (0 to 19°C); 82 to 122°F(28 to 50°C).
Altitude: 6561.7 feet (2000m).
Jaw opening capability: 30mm (diameter) conductor
Power: Three lithium-ion CR2032 3V batteries.
Battery life: 100 hours typical for lithium-ion on AAC (top display), 75 hours typical for lithium-ion on dial functions (bottom display).
Accessories: One pair vinyl test leads, ATB1 k-type thermocouple, (3) 3V CR2032 batteries (installed),
ANC4 carrying case, and operating instructions.
Safety: IEC/EN 61010-1 (UL61010-1) CATIII 600V and IEC/EN 61010-2-032 (UL61010-2-032) CATIII 300V, class II and pollution degree 2 indoor use comply with CE, C-tick certified.

DC Volts
Ranges: 4V, 40V, 400V, 600V
Resolution: 1mV
Accuracy: ±(0.5% rdg + 2 dgts)
Input impedance: 4V: 10MΩ
40V~600V: 9.1MΩ

AC Volts (50Hz - 500Hz)
Ranges: 4V, 40V, 400V, 600V
Resolution: 1mV
Accuracy: ±(1.2% rdg + 5 dgts),
±(1.5% rdg + 5 dgts) on 600V range
Input impedance:
4V: 10MΩ
40V~600V: 9.1MΩ
Minimum test time for stable reading: 2 seconds

Ranges: 400Ω, 4kΩ, 40kΩ, 400kΩ, 4MΩ, 40MΩ
Resolution: 0.1Ω
±(1.0% rdg + 4 dgts) on 400Ω to 400kΩ ranges
±(1.5% rdg + 4 dgts) on 4MΩ range
±(3.0% rdg + 5 dgts) on 40MΩ range
Open circuit volts: -0.45VDC typical, (-1.2VDC on
400Ω range)
Minimum test time for stable reading: 2 seconds

AC Current (50Hz - 60Hz)
Ranges: 40A, 400A
Resolution: 0.01A
Accuracy: ±(2.0% rdg + 6 dgts)

Range: 4μF, 40μF, 400μF, 4mF
4.000mF = 4000μF
Resolution: 1.0nF
Accuracy: ±(3% rdg + 10 dgts) on 4μF
±(3% rdg + 5 dgts) on 40μF to 400μF
±(5% rdg + 20 dgts) on 4mF (4000μF)
Minimum input range: >100nF
Safety: “dsc” symbol on LCD indicates that the capacitor must be discharged before testing.

Range: 400Ω
Audible indication: Less than 25Ω
Response time: 500ms

Range: -30 to 400°F (-34 to 204°C)
Resolution: 0.1°
Accuracy: ±1°F (32 to 120°F); ±0.5°C (0 to 49°C),
±1% + 1.5°F (-4 to 400°F);
±1% + 1°C (-20 to 204°C),
±2% + 4°F (-30 to -4°F);
±2% + 2°C (-34 to -20°C).
Sensor type: K-type thermocouple

Overload Protection (no fuses to replace)
Resistance 500VDC or AC RMS
Continuity 500VDC or AC RMS
Capacitance 500VDC or AC RMS
Temperature 60VDC or 30VAC RMS