Equipment information:

Spraque Electric Company TO-6 Analyzer
Manufacturer:
Spraque Electric Company
Model: TO-6
Date: 1964
Category: Measurement instruments
Group: Analyzer
Description: Capacitor Analyzer
Information:
                                    1.1	Purpose and Usefulness. Designed specifically to meet
the need of television, radio and industrial electronics
technicians for a compact, reliable, and simple-to-use
instrument for testing capacitors, the Sprague Model TO-6
Tel-Ohmike represents the culmination of years of experience
in this field. It incorporates in one instrument an accurate
multi-range capacitance and power factor bridge, an
insulation resistance checker for paper, plastic-film, mica,
and ceramic capacitors, and a leakage current test circuit
for electrolytic capacitors. Pushbuttons are provided for
instant range selection and a magic-eye tube simplifies
bridge balancing for capacitance measurements. A large meter
gives direct pointer readings of insulation resistance and
leakage current and shows the exact voltage applied to
electrolytic capacitors during the leakage test.

1.2	Six especially valuable features of the Model TO-6
Tel-Ohmike are:

(I)	the I-R (insulation resistance) range of 500 Mil-50
KMii, (2) a special I-R range of 100 Mil-10 KMii (with a 30
volt circuit for low-voltage capacitors), (3) the special
low-capacitance bridge circuit for testing low-value
ceramic, mica, plastic-film, and air dielectric capacitors
from 1-100 pF with improved accuracy, (4) the meter
protection which prevents "burn-outs” should the meter be
overloaded, (5) the Safety switch for easier discharge of
capacitors after test, and (6) the "eye” amplifier to
provide greater reading accuracy.

1.3	Capacitance. In addition to the special low range
mentioned above,

4	other capacitance ranges are provided for measurements up
to 2000 ¿tF. With a TO-6 Tel-Ohmike you are prepared to test
every type of capacitor from tiny ceramics or micas to paper
and film capacitors of all types, as well as
electrolytics—tantalum or aluminum—wet or dry—low voltage or
high voltage—small capacitance or large capacitance—from
small filter types to large motor-start or photoflash types.

1.3.1	Power Factor. The power factor of all electrolytic
capacitors is indicated directly in percent on a single scale.

1.4	Leakage Current. A self-contained continuously
adjustable d-c power supply permits measurement of
electrolytic capacitor leakage current at exact rated voltage.

1.5	Insulation Resistance. Most paper, plastic-film,
ceramic, mica, and air dielectric capacitors have their I-R
measured by a circuit which applies 150 volts to the
capacitor, and the I-R is indicated directly on the meter
dial from 500 Mil to 50 KMii. For testing low-voltage
non-elec-trolytic capacitors, an additional range of 100 Mil
to 10 KMii is provided in conjunction with a circuit which
applies only 30 volts to the capacitor under test.

1.6	Line Voltage and Frequency. The Model TO-6 Tel-Ohmike is
available in four types. The standard TO-6 is intended for
115 volt,

50-60 cycle a-c lines. The TO-6RM is similar except that it
is intended for mounting in standard 19” relay racks. Also
available is the Model TO-6S for use on 115/230 volt, 50
cycle mains. Before using a Model TO-6S, check to see
whether the link on the internal terminal plate is in the
proper position for the line voltage on which the instrument
will be used. A rack-mounting version, the TO-6SRM, is also
available.

These manuals are available for the above equipment:

Spraque Electric Company -- TO-6 -- Service and User Manual
File name: Sprague-8043-Manual-Page-1-Picture
Manual Type: Service and User Manual
Pages: 20
Size: 11.98 Mbytes (12565462 Bytes)
Language: english
Revision:
Manual-ID/Number:
Date: 01 January 1964
Quality: Scanned document, reading partly badly, partly not readable.
Upload date:
MD5: b145f43bd168a9115803b68f5e595dbe
ed2kID: 4dcbb16105f888dc5acf42327e347750
Downloads: 5 since 18 September 2016
Information:
Sprague-8043-Manual-Page-1-Picture
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