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Summary of Contents for YOKOGAWA 320110
- Page 1 User's Model 320110 Manual Circuit Tester IM 3201–E 2014 13th Edition July (KP)
- Page 2 Thank you for purchasing this Model 320110 Circuit Tester. To fully exploit and properly operate the instrument, read this manual carefully prior to using the product.
- Page 3 If you use the instrument in any way other than as instructed in this manual, the instrument’s protective measures may be impaired. YOKOGAWA is by no means liable for any damage resulting from use of the Measurement instrument in contradiction to these cautionary notes.
- Page 4 1. The contents of this instruction manual are subject to change without prior notice. 2. All rights are reserved by Yokogawa. No one is allowed to make copies of, reprint any part or all the contents of this instruction manual without permission from CAUTION Yokogawa.
- Page 5 5. Maintenance ................13 5.1 Adjustment ................13 5.2 Fuse Replacement..............13 6. Specifications ................14 6.1 Specifications................ 14 6.2 Accessory Specifications ............15 All Rights Reserved, Copyright © 2014, Yokogawa Meters & Instruments Corporation Printed in Japan IM 3201–E — iii —...
- Page 6 IM 3201–E — iv —...
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Page 7: Introduction
(8) Shock-resistance plastic (ABS resin) is used for the case of the The Model 320110 is a handy and widely usable circuit tester tester. It is compact, light, and convenient to carry about. designed with high reliability for the measurements of DC/AC currents, DC/AC voltages, DC resistances, etc. -
Page 8: Parts Identification
2. Parts Identification 1. Scale 2. Knife-edge 4. Cover Fixing Screw Pointer 12. Case 3. Meter Cover 5. Zero Adjust Screw 14. Bottom Case 7. Zero ohm Fixing Screw Adjust Knob 6. Polarity Select 8. Measuring Range Switch Select Switch 13. - Page 9 Scale 7. Zero ohm Adjust Knob When measuring resistance, The scale has a built-in mirror to avoid parallax in reading. this is to adjust the pointer Look at the scale so that you can see to zero of the [OHM] scale the pointer is accurately aligned with the by shorting the tip ends of pointer reflected on the mirror, and then...
- Page 10 9. Common Terminal This is a common terminal for measurement. The black lead, which is one of accessories, is connected here. 10. V.A.Ω Terminal The red lead, which is one of accessories, is connected here. 11. OUTPUT Terminal This is to measure AC voltage including DC components.
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Page 11: Operation
Make sure to read and observe all the following cautions before 3. Operation starting measurement to ensure safety. CAUTION 3.1 Instruction for Use Checking Fuse 1. Make sure prior to measurement that the pointer rests at the Make sure prior to measurement that the fuse is not burned zero position of the scale. -
Page 12: Dc Current Measurement (Dc.ma)
3.2 DC Current Measurement (DC.mA) 3.4 AC Voltage Measurement (AC.V) V.A.Ω 1. Connect the red lead to the terminal and the black lead to CAUTION COM- terminal. +DC,AC,Ω 2. Set the polarity select switch to the position. There is a risk of damaging the instrument. 3. - Page 13 5. When it is desired to measure a voltage of high frequency, 120 V Range 30 V Range COM- connect the terminal to the ground side of the measuring circuit. This arrangement prevents indication errors caused by the stray capacitance between the tester and the ground. (Refer to Fig 3.1 Frequency Characteristics in which an example of the frequency characteristics is shown.) 6.
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Page 14: Measurement Of Low (Audio) Frequency Output Level
3.5 Measurement of Low (Audio) Frequency Output Level V.A.Ω 1. Connect the two measuring lead probes respectively to the COM- 1. The output level denotes the voltage in the audio frequency terminals. range, being applied to a specific load impedance. This output +DC,AC,Ω... -
Page 15: Checking Battery Amount And Battery Replacement
3.7 Checking Battery Amount and Battery Replacement 5. Current for each measuring range is as follows, at zero position of resistance scale. <Checking the Remaining Amount of Battery> × 1 Ω range approximately 150 mA The condition where the pointer does not come to zero even ×... -
Page 16: Circuit Diagram (Parts List)
3.8 Circuit Diagram (Parts List) Parts List Circuit Parts Ω DC mA DC V AC V Wire wound resistor 0.19 Ω 1200 120 12 1.2 .12 .012 .3 1.2 3 12 30 120 300 1200 1200 300 120 30 12 3 × 1 × 100 × 10 kOFF Wire wound resistor 1.8 Ω... -
Page 17: Use Of Accessories (Additional Specifications)
1. This probe is intended to be used in the adjustment of high 4. Use of Accessories (Additional Specifications) voltage electronic equipments such as television. However, the high voltage measurement on power lines is 4.1 Model 320310 12 kV DC High Tension Probe dangerous, and must be avoided. - Page 18 4.2 Model 320410 12 A DC Shunt 4.3 Model 320510 Clip-On Current Transformer (Order Discontinued Item) (Order Discontinued Item) black Fig 4.2 12A DC Shunt 1. This shut is best suited for the current measurement in power transistors or SCR circuits. 2.
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Page 19: Maintenance
When the instrument does not operate properly and needs repair, full scale value correctly. please contact Yokogawa or the store where you bought the (2) Set the measuring range select switch to the “AC 120 V” range. product. -
Page 20: Specifications
6. Specifications 6.1 Specifications Measurement Measuring Range Accuracy Remarks Input Resistance: 100 kΩ/V Voltage 0.3/1.2/3/12/30/120/300/1,200 V ±2% of full scale value Current 0.012/0.12/1.2/12/120/1,200 mA ±2% of full scale value Terminal Voltage Drop: Less than 250 mV Input Impedance: 10 kΩ/V AC Voltage 3/12/30/120/300/1,200 V ±3% of full scale value... -
Page 21: Accessory Specifications
6.2 Accessory Specifications Model 320310 12 kV DC High Tension Probe (Order Discontinued Item) Rating Voltage: DC 12 kV Accuracy: ±5% of rating (when connected to the tester 320110) Current Loss: approximately 20 μA Allowable Input Voltage: DC 15 kV... - Page 22 <MEMO> IM 3201–E — 16 —...
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