Turns Counter for Bobbin Coils Model TC-5/TC-5A

Key Features :





The TC-5 is designed to verify the turns count of bobbin or free would coils. When calibrated with a Production Standard coil, the TC-5 can measure to an accuracy of 99.9% or 1 turn in 1,000 for coils of less than 10,000 turns. When using a Calibration Series probe, all coils within the size range stated for the particular probe will be measured with an accuracy of 99.5%

The standard TC-5 Turns Counter is fitted with 4 ½ digit display. A Hi/Lo range switch allows changes from the 1,999.9 to the 19,999 range. A polarity indicator LED changes from Red to Green, depending on the relative polarity of the coil being measured.

The TC-5A uses a micro-processor panel meter to provide several refinements. Measurement averaging results in a more stable readout and is easier for operators to interpret. The TC-5A also auto-ranges to 64,000 turns, although measurements above 10,000 turns can be affected by Q and inter-winding capacitance factors. By calculating measurements of an internal reference coil, the TC-5A reduces long term temperature drift from 1% to .1% per 10 degrees. F. A Data Acquisition module can also be adapted to the TC-5A.

Both versions of the TC-5 offers fast and accurate measurement of coils. Test Probes to measure a wide range of coil sizes are readily interchanged. Our probe technology helps to make the TC-5 both an economic and reliable test instrument.

SPECIFICATIONS

TC-5 PROBE SPECIFICATIONS

Calibration Series probes measure a variety of coil sizes with an accuracy of 99.5% and without the need for recalibration. Select the proper probe based on the coil sizes that you wish to test. The "ID" and "OD" abbreviations refer to the inner and outer coil dimensions respectively. "Max Height Variation" is a relative dimension which refers to the maximum coil height difference that can be measured within 0.5% with a single calibration setting. These probes have a repeatability of 0.05%.

DIAMETER AND HEIGHT RANGE OF COIL SIZES PART NUMBER

1/16 x 6”
(1.6mm x 152.4 mm)

Min. ID: (1/16”) 1.7 mm
Max. OD: (2”) 50.8 mm
Max Height: (1-1/2”) 38.1 mm

 

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3/32 x 12”
(2.4 mm x 304.8 mm)

Min. ID: (3/32”) 2.5 mm
Max. OD: (2 1/2”) 65 mm
Max Height: (1-3/4”) 45 mm

 

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7/32 x  24”
(5.5 mm x 610 mm)
(Removable Brass Sleeve)

Min. ID: (3/16”) 5 mm
Max. OD: (6”) 150 mm
Max Height: (2 ½”) 60 mm

 

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3/4 x  30”
(20 mm x 750 mm)

Min. ID: (1 ½”) 38 mm
Max. OD: (7”) 175 mm
Max Height: (5”) 125 mm

 

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1  x  34”
(26 mm x 925 mm)

Min. ID: (2 ½”) 64 mm
Max. OD: (8”) 200 mm
Max Height: (7”) 175  mm

 

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Production Series probes are designed to be compact, relative measurement devices. These probes have a repeatability of 0.2% for single winding coils. If used for multiple winding coils, or coils of varying sizes, these probes have a maximum error of 1 to 2.5%, +/- 2 turns.

DIAMETER AND HEIGHT RANGE OF COIL SIZES PART NUMBER

1/8 x 2”
(3.2mm x 50mm)

Min. ID: (1/8”) 3.2 mm
Max OD: (3/4”) 19mm
Max Height: (3/4”) 19mm

 

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1/4 X 4”
(6.3mm x 100mm)

Min. ID: (1/4”) 6.7mm
Max OD: (3/4”) 19mm
Max Height: (1 3/4”) 45mm

 

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3/8 X 6 1/2”
(9.5mm x 165mm)

Min. ID: (3/8”) 9.9mm
Max OD: (1 1/2”) 38mm
Max Height: (5”) 127mm

 

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