Manual Ranging Clamp Meter with Temperature - SC66

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Manual Ranging Clamp Meter with Temperature - SC66

Manual Ranging Clamp Meter with Temperature, model SC66 includes the ranges and electrical parameters instructors, students and field technicians use everyday for residential HVAC/R testing.

 

Manual Ranging Clamp Meter with Temperature - model SC66
The SC66 is the top Fieldpiece clamp meter among HVAC/R instructors. It’s a manual ranging DMM that includes the electrical ranges students and technicians use for most HVAC/R work, plus temperature, capacitance and DC current - all for a low price. It also has several safety features like a high-voltage LED and beeper, a continuity warning, push button non-contact voltage (NCV), a lead holder on the clamp, and MAX hold so you can concentrate on the test point, hook up, and see the results after you’ve disconnected. Instructors and their students tell us they like the fact that it is a manual ranger so they have to think about what they’re hooking up to before they do it.  They also like that the SC66 is just the right amount of meter for residential techs just starting out.

The SC66 is a manual ranger with a dedicated amp clamp. Use the NCV button to determine whether on not a wire or circuit is live.  The high-voltage indicators alert you when hooking up to 30V or more, while the continuity indicators tell you if a circuit is open or closed. Operation of the SC66 is easy. Simply select a range and test.

Selecting Ranges
For DC voltage, set the meter to the VDC parameter instead of VAC as shown below. For all ranges and functions choose a range just above the value you expect. If display reads "OL" (overload), select a higher range. If display shows less than three numbers, select a lower range for better resolution.

Designed specifically for HVAC/R field service, the SC66 is a dedicated DMM and offers specific features and benefits to HVAC/R field service pros including:

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).

High Voltage and Continuity Indicators
If you were doing lab testing, these features would probably drive you crazy.  We’ve heard from more than one HVAC/R veteran that these features really remind you of what you’re doing and they’ve avoided potentially dangerous situations in the field.  The Hi-V LED and beeper let you know when you’ve hooked up to a circuit over 30V.  The continuity LED and beeper tells you if a circuit is open or closed.
 
200AAC
Using the built-in amp clamp, read 0-200 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.

Temperature   
Take ambient air or refrigeration line temperatures and more with the built-in K-type port and the included ATB1 wrap tab thermocouple. The built-in temperature junction offers great temperature compensation for more accurate and faster measurements,

Microamps DC - Flame Rectification Tests
The most common ‘no heat” call has to do with a malfunctioning flame sensing diode.  Simply turn the meter to microamps DC, hook up, and see if the flame sensing rod is functioning properly.

Silicone LeadsSC60-70_back_leads
Because the wire insulation is silicone, the leads stay flexible in cold weather and will not melt if bumped by a soldering iron. Use the attached lead clip on the to help you perform a one-hand test more easily than most meters on the market. Built-in lead storage makes it easy to keep everything together from job to job. Our Deluxe Silicone Lead Kit, model ADK7, is an optional purchase from your favorite distributor and makes one-handed testing even easier.

Wire Grabbing Jaw
The fixed jaw is longer than the moveable jaw to make it easier to select just one wire from a bundle. With the jaws closed, separate one wire using the long fixed jaw. Slide it to the corner where the two jaws meet. Then open the jaws to let it in. Now you can select the wire without holding the jaws open

MAX Hold   
The MAX hold button is easily pressed while holding the mini clamp meter naturally in your hand. It holds the maximum reading when hooking up to a test point. It’s a safer way to test, 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).
  • Diode Test
  • Rugged ABS case.
  • Ergonomic shape fits naturally in your hand.
  • Auto power-off (APO) to conserve battery life.

While the SC66 is a great value, it is not a basic meter, it’s an HVAC/R clamp meter.
We designed this meter to be a dedicated clamp meter for HVAC/R for the field technicians who perform residential field service. Its ranges are more limited than the top of the line clamp meters we sell. However, instructors, students and new technicians tell us that they know we put some thought into the SC66 when we designed it for HVAC/R field service.  They also tell us there aren’t many meters out there that can compare to the SC66 in terms of function for HVAC/R for the money.

Included

 

  • Manual Ranging Clamp Meter with Temperature - SC66
  • Wrap Tab K-Type Thermocouple - ATB1
  • Silicone Test Leads - ASLS2
  • Large Single Meter Case - ANC7
  • 9-Volt battery (installed)
  • Operator’s manual

Technicians who like the SC66 may also enjoy these instruments and accessories:

SC77-SRC-product-tmb

 

True RMS Clamp Meter with Temperature, Capacitance and Backlight - SC77

The SC77 is one of our most popular digital multimeters for a reason.  It has virtually every parameter for electrical and thermal HVAC/R testing in one meter.  This auto ranger includes a host of safety features including a high-voltage LED and beeper, a continuity warning, push button non-contact voltage (NCV), a lead holder with detachable leads and alligator probe tips for easy one-handed testing. As far as ranges go, it has temperature, capacitance, microamps DC for flame diode tests, and everyday electrical ranges for HVAC/R. Not to mention technicians tell us it one of the most durable meters in the industry. Rivaled only by our stick meters, the SC77 is also one of their top picks from Fieldpiece.

SSX34-SRC-product-tmb

Superheat & Subcooling Meter for A/C & Refrigeration - SSX34

The Fieldpiece Superheat amp; Subcooling for Air Conditioning & Refrigeration meter, model SSX34, measures suction line, or low side, line temperature and pressure. It then calculates actual superheat in real time using built-in P/T charts. It also measures liquid line, or high side, line temperature and pressure, and calculates actual subcooling. Use it to get actual superheat on R-22, R-410A, R-134A, and R-404A fixed orifice systems and actual subcooling on TXV / TEV regulated systems. Use the “T” fitting to charge to actual superheat or subcooling by putting the SSX34 in-line between your refrigerant bottle and the system.

SRH2-SRC-product-tmb

Diagnostic Psychrometer - SRH2

The SRH2 Diagnostic Psychrometer performs all the normal functions of a digital psychrometer plus it calculates critical A/C system targets from psychometric measurements. It measures temperature (DB) and %relative humidity (%RH) and calculates wet bulb (WB) and dew point (DP). The SRH2 goes a step further than traditional digital psychrometers in that it also calculates target superheat and target evaporator exit temperature (delta T, drop across the coil, evaporator drop, temperature split) with built-in charts and the psychometric measurements. It’s the only digital psychrometer that takes measurements using an electronic sensor (NTC) or k-type thermocouples (T/C).

ANC8-SRC-product-tmb

Large Deluxe Meter Case - ANC8

The Large Deluxe Meter Case, model ANC8, is a technician favorite because it handles a lot of gear for an affordable price. It has four pockets in all, including a deep center pocket that holds a combination of 2 full-size meters and 4 accessory head instruments. Features include rugged nylon construction, padding, durable pockets inside and out, a rugged double zipper and a shoulder strap. The ANC8 is a must have upgrade for any technician that has multiple Fieldpiece meters and accessory heads.

 

TECHNICAL SPECIFICATIONS
(Please Note:  The SC60 series is very similar in function and application. Please use the chart below to compare meters to determine which one is right for you or go to our Meter Comparison in the product menu on the top nav))
Indicators: Low battery. Overrange: “OL” is displayed.
Environmental: Operating temperature 32°F to 122°F, storage 0°F to 140°F with batteries removed, RH<80%.
Measurement rate: 2.5 times/sec nominal.
Battery: 9V NEDA 1604; 150 hours typical with carbon zinc (installed).
Auto power off: Meter automatically turns off after approximately 1 hour.
Temperature coefficient: 0.1 X (specified accuracy) per °F above 82°F and below 64°F.
Industry specifications: IEC/ EN61010-1, IEC/EN61010-2-32, Cat III (600V for SC66 and SC67) class 2 and pollution degree 2, in accordance with IEC-664 indoor use. UL listed to UL3111. C-Tick certified.

Function Accuracy SC66 SC67
Display Counts   2000 2000
Volts AC (2,3) 1.2%+3 / 0.1 200 200
  2%+5 / 1 600 600
Amps AC (Clamp) 3%+5 / 0.01 20  
  3%+5 / 0.1 (1) 200 200
Volts DC (2) 0.5%+1 / 0.01 20  
  0.5%+1 / 0.1   200
Amps DC (Series) (4) 1%+1 / 0.1 200µ 200µ
Resistance (Ohms) (9) 1%+3 / 0.1 200 200
  1%+3 / 0.1k 200K 200K
Microfarads (6) 3%+5 / 0.1 200 200
Temperature (°F) (5) 1°F / 0.1 200 200
  1%+1.5°F / 1   1000
Continuity Check (10)   Yes Yes
Diode Test   Yes Yes
High Volts Indicator (7)   Yes Yes
Probe Storage   Yes Yes
NCV (8)   Yes Yes
MAX Hold (11)   Yes Yes
Amp OL Protection   PTC PTC
(1) 50-60Hz
(2) Input impedance is 560Kohms on volts ranges, 10Mohm on millivolts ranges. All ranges will withstand 600VAC/600VDC.
(3) 50Hz-500Hz.
(4) Protected by PTC (positive temperature coefficient) resistor. If an overload occurs on microamps DC, disconnect from circuit for 30 seconds so the PTC can reset.
(5) Accuracy 1OF (32OF to 120OF); 1%+1.5OF (-4OF to 750OF); 2%+4OF (-30OF to -4OF, 750OF to 1000OF); all withstand 30V max.
(6) Test frequency 34Hz at <3.5V. Will withstand up to 500V.
(7) Turns on >30V.
(8) Senses 24VAC to 600VAC.
(9) 0.3VDC typical open circuit voltage.(3V on 200ohm range). Withstands up to 500V on any ohms range.
(10) Turns on <100 ohms within 100mS. Will withstand up to 500V.
(11) Holds highest reading.

 

Field OF calibrationSC60_calibration
For accuracies of ±1°F calibrate the meter to a known temperature. A glass of stabilized ice water is very close to 32°F and is usually very convenient.

  1. Connect thermocouple.
  2. Select the 200°F range.
  3. Remove back case. Hold the battery in place with a rubber band.
  4. Stabilize a large cup of ice water.
  5. Immerse the thermocouple probe and let it stabilize.
  6. Adjust VR3 (lower right corner of PCB) to get close to 32°F then adjust VR4 (above VR3) to get within 0.1°F of 32°F.
  7. To calibrate in OC, close the jumper that is below VR3.