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Summary of Contents for Simpson Electric 14510-2
- Page 1 Simpson 14510-2 Volt-Ohm-Milliammeter OPERATOR’S MANUAL...
- Page 2 SIMPSON ELECTRIC COMPANY nei- ther assumes nor authorizes any other persons to assume for it any other liability in connection with the sales of its products.
- Page 3 Leakage current, connect a 1500 ohm non-inductive resistor in series with a Simpson 0-500 DC microammeter and use this as the measuring instrument. Multi-function instruments such as the 14510-2 are intended as general pur- pose measuring instruments for use in relatively low power 120/240 V AC or dry battery operated circuits such as found in consumer appliances, home entertainment equipment or general laboratory applications.
- Page 4 NOTES...
- Page 5 NOTES...
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Page 6: Table Of Contents
5. OPERATOR MAINTENANCE ............17 Inspection ..................17 Battery And Fuse Access ..............17 Battery Replacement ................ 18 Fuse Replacement ................18 Care ....................19 6. SERVICING INSTRUCTIONS ............20 Replacement Part Table for 14510-2 ..........20 Schematic Diagram, 14510-2 Volt-Ohm-Milliammeter ..... 22... -
Page 7: Introduction
General The Simpson 14510-2 Volt-Ohm-Milliammeter (hereinafter referred to as the 14510-2 or the Instrument) is a portable instrument, suitable for the telephone industries. This instrument is designed for the service person who values true portability, reliability, simplicity and ruggedness. The Instrument can be ap- plied in both permanent and mobile installations. -
Page 8: Technical Data
(furnished with the test leads). The test leads and the insulated alligator clips are rated for the voltage and current ranges available on the 14510-2. Maximum ratings are 100 V AC or DC or 10 DC amperes. These ratings for the test leads must not be exceeded in any application. -
Page 9: Definition Of Accuracy
RESISTANCE Battery Voltage Battery Current Range Midscale Reading (Nominal) (Nominal) 1.5 V 75 mA RX10 1.5 V 7.5 mA RX100 1.5 V 0.75 mA RX1000 20 k 1.5 V 0.075 mA RX10,000 200 k 30 V 0.15 mA Accuracy: 2% of FS angular deflection at midscale. Reference Conditions: 25°C 2°C, 45 to 75% relative humidity... -
Page 10: Preparation For Use
Warranty The Simpson Electric Company warranty policy is printed on the inside front cover of this manual. Read it carefully before requesting any warranty repairs. NOTE: For all assistance, including help with the Instrument under warranty, contact the nearest Authorized Service Center for instructions. -
Page 11: Controls, Jacks And Indicator
CONTROLS, JACKS AND INDICATOR The purpose and use of the 14510-2 front panel controls and its features are described below. Become familiar with each control and its function before using the Instrument. Front Panel Item numbers in Table 3-1 correspond with identifying numbers in Figure 3-1. -
Page 12: Operation
Before attempting to operate this Instrument, refer to WARNING on inside front cover of this manual. Information required to use and operate the 14510-2 in the proper manner follows below: The test leads are provided with accessory screw-on alligator clips which may be attached to the probe tips. - Page 13 The 14510-2 should only be used by personnel qualified to recognize shock hazards and trained in the safety precautions required to avoid possible injury.
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Page 14: Measuring Dc Voltages
OFF position. Measuring AC Voltages NOTE: The rectifier circuit in the 14510-2 responds to the full-wave rectified average value of an AC waveform. The Instrument is calibrated in terms of the rms value of a pure sine wave which will be correct for all sinusoidal wave- forms. -
Page 15: Measuring Direct Current
a protection to the Instrument. If the voltage is within a lower range, the switch then may be set at a lower range to obtain a more accurate read- ing. Be sure the power is off in the circuit being measured and all the capaci- tors have been discharged. -
Page 16: Measuring Resistances
Read the current in milliamperes on the black AC-DC scales. For the 0.06 mA range, use the 0-60 scale and divide the reading by 1000. For the 1.2 mA range, use the 0-12 scale and divide the reading by 10. For 12 mA range, use 0-12 scale and read directly. -
Page 17: Operator Maintenance
tion; the result is the resistance value in ohms. (“K” on the dial and panel stands for “one thousand.”) NOTE: The resistance of nonlinear components will measure differently from one resistance range to another. For example: a diode could measure 80 ohms on the RX1 range and 300 ohms on the RX10 range. -
Page 18: Battery Replacement
Battery Replacement Battery replacement is indicated when the pointer cannot be adjusted to zero on a resistance range. Remove the battery compartment cover (paragraph 5.3). If zero cannot be adjusted on the RX1, RX10, RX100 or RX1000 ranges, the 1.5 V battery needs replacement. -
Page 19: Care
Remove the battery compartment cover. Place the Instrument face-down on a soft, padded surface. Loosen the four screws at the four corners of the case back and lift the case back off of the Instrument. 15V Battery Front Panel 2 Amp Fuse Figure 5-2. -
Page 20: Servicing Instructions
Refer repairs to the factory or to one of the Autho- rized Service Centers. Table 6-1 lists the replacement parts for the 14510-2 and the ordering part numbers. Replacement parts and accessory items may be ordered from the factory or from any Authorized Service Center. - Page 21 Resistor, 6 M , 1%, 1W 1-110286 Fuse 1/2 amp, 250 V, 3AG, Quick Acting 1-113233 Fuse, 2 amp, 600 volts, Littlefuse Type BLS or Bussman Type BBS 5-119056 Range Switch, Knob 6-113341 Figure 6-1. Schematic Diagram 14510-2 on Page 22...
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Page 22: Schematic Diagram, 14510-2 Volt-Ohm-Milliammeter
Schematic Diagram, 14510-2 Volt-Ohm-Milliammeter Figure 6-1. Schematic Diagram 14510-2 Volt-Ohm-Milliammeter... - Page 23 NOTES...
- Page 24 SIMPSON ELECTRIC COMPANY 853 Dundee Avenue Elgin, IL 60120-3090 (847) 697-2260 FAX (847) 697-2272 Printed in U.S.A. Part No. 06-114022 Edition 3, 11/02 Visit us on the web at: www.simpsonelectric.com...
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