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MODEL TS-113 VOLT-OHM-MILLIAMMETER Operator’s Manual WARNING READ AND UNDERSTAND THIS MANUAL BEFORE USING THE INSTRUMENT Failure to understand and comply with the WARNINGS and operating instructions can result in serious or fatal injuries and/or property damage...
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SAFETY SYMBOLS This Operator’s Manual contains special caution and warning headings which alert the user to check hazardous operating and servicing conditions. These headings appear throughout this manual where applicable, and are defined below. To ensure the safety of operating performance of this instrument, these instructions must be adhered to.
RAILROAD SIGNALING and COMMUNICATIONS field. In construction and general principle it follows closely the proven Simpson pattern which is based on the experience of many years of successful multimeter manufacture.
TECHNICAL DATA Table 2 lists the technical data for the TS-113. DC RANGES VOLTAGE CURRENT 0 - 0.25 V 0 - 15 mA 0 - 0.6 V 0 - 60 mA 0 - 3 V 0 - 300 mA 0 - 15 V 0 - 1.5 A...
3” (76.2 mm) WEIGHT: 2-1/2 lbs. (1.14 kg) INSTALLATION The following instructions explain the installation and shipping of the TS-113. Included are unpacking and inspection procedures, warranty, shipping, power source requirements and operating position. UNPACKING AND INSPECTION Examine the shipping carton for obvious signs of damage. If damage is noted, notify the carrier and supplier and do not attempt further use of the instrument.
Pack the Instrument carefully and ship it prepaid and insured to the proper destination. CONTROLS, JACKS AND INDICATORS All operating and adjustment controls, jacks and indicator for the TS-113 are described in the following pages. Become familiar with each item prior to operating the Instrument.
FRONT PANEL DESCRIPTION The Instrument’s highly legible markings are designed for easy, accurate readings. The 4” red knife-edge pointer and scale mirror, permit improved resolution of readings and elimination of parallax errors. The dial itself is color coded to match the range and function switch for ease of interpretation.
The panel is marked and color coded to permit easy and accurate selection of any of its positions. There is a “Transit” position for vibration protection during travel, and a blank position between ohms and mA to protect against accidentally switching between ranges. The left knob rotates between 3 positions -DC, DC and AC.
SAFETY PRECAUTIONS This section of the manual contains information required to use and operate the TS-113 in a safe and proper manner. WARNING The TS-113 has been designed specifically for use by trained and qualified personnel working on railway signaling and communications systems. It is not intended to make measurements in heavy-duty railway equipment such as diesel-electric locomotives, railway cranes or the like.
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• This General Purpose VOM is NOT to be used to make electrical measurements on blasting circuits or blasting caps. NOTE: The TS-113 is not waterproof and must be sheltered from rain or snow.
OPERATION DC CURRENT MEASUREMENTS Figure 3. Measuring DC Current Note: The range switch position for DC serves the 1.5A, 6 A and 30 A ranges, and the correct jack must be selected. The 6A and 30A connections are unfused. Use caution when testing these high currents. Do not leave the unit measuring 30 Amps unattended, or for a long period of time as contact points can overheat rapidly.
AC CURRENT MEASUREMENTS Figure 4. Measuring AC Current Note: The 6A and 30A connections are unfused. Use caution when testing these high currents. Do not leave the unit measuring 30 Amps unattended, or for a long period of time as contact points can overheat rapidly. a.
WARNING Be extremely careful when working with high voltage circuits. Do not touch the Instrument or test leads while power is on in the circuit being measured. Do not exceed 600 volts. PEAK READINGS OF ANY FUNCTION To determine the peak value of a visibly fluctuating reading, slowly rotate the pointer stop knob clockwise against the pointer until pointer motion can no longer be detected.
WARNING Be extremely careful when working with high voltage circuits. Do not touch the Instrument or test leads while power is on in the circuit being measured. Do not exceed 600 volts. DC OR AC VOLTAGE MEASURMENTS a. Set the range selector switch between 0.25DC (or 3 VAC) and 300/600 range as shown in Fig.
RESISTANCE MEASUREMENTS WARNING Voltage applied to resistance range will cause reading errors if low and damage the Instrument if high. When making in-circuit measurements, make certain that the circuit is completely de-energized before making connections to it. When making in-circuit measurements, circuit paths in parallel with the resistance being measured may cause reading errors.
a. Test first for the presence of an AC or DC voltage. (Refer to Warning). If no voltage is present, proceed with the set up below. b. Set the range selector to “Rx1” for resistance less than 100Ω, “Rx100” for resistance less than 10,000, or “Rx1K”...
“ON” time can be read directly from the scale. OPERATOR SERVICING For safety of the operator, servicing of the TS-113, other than replacement of batteries or fuses, should be referred to one of the Simpson Authorized Service Centers.
CHART FOR ALL RANGES AC Meter Dial Cardinal Point 0-15 AC Range AC Volts DIRECT ONLY SCALE DIRECT AC Amperes DC Meter Dial Cardinal Points 0-15 DC Range DC Volts 0.08 0.16 0.24 0.32 0.48 0.56 DIRECT Range DC Current in Milliamps DIRECT Range DC Amperes...
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Simpson Electric Company 520 Simpson Avenue, Lac du Flambeau, WI 54538 (715) 588-3311 FAX (715) 588-3326 www.simpsonelectric.com Part No. 06-117753 Edition 6, 10-14...
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