Plusivo CL201 Manual

Clamp meter

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Mastering The Art

of Measurement

(CL201 Clamp

Meter)

Mastering the Art of Measurement (CL201 Clamp Meter) r.00

www.plusivo.com

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Page 1 Mastering The Art of Measurement (CL201 Clamp Meter) Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 2: Table Of Contents
6.3 Resistance Measurement 6.4 Diode & Continuity Check 6.5 Frequency Measurement (Models C and D) 6.6 Capacitance Measurement (D only) 6.7 Temperature Measurement (B and D. Use FUNC to switch °C/°F) Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 3 For inquiries and assistance, please reach us via email address: office@plusivo.com To know more about our other products, please visit us in our official pages: www.plusivo.com https://www.facebook.com/plusivo/ Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 4: Introduction
1. Overview 1.1 Versions of the clamp meter The CL201 NCV clamp meter series includes 4 models, they are named CL201A, CL201B, CL201C and CL201D. These clampmeters support RMS measurements and they have a frequency response range up to 2 KHz.
Page 5: Parts
(6) Function button (7) Trigger to open and close the clamp (8) LCD Screen (9) Input terminal for voltage, resistance, temperature, capacitance and frequency (10) “COM” Input terminal (11) NCV sensing area Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 6: Rotary Switch
AC Voltage measurement DC Voltage measurement Resistance measurement AC Current measurement Diode/Continuity measurement Non Contact Voltage measurement Capacitance / Resistance / Continuity / Diode Temperature measurement Frequency Instrument turned OFF Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 7: Key Function Description
Function Key HOLD/BL Hold Function / Back Light Maximum value measurement mode Relative measurement 1.5 LCD Display Alternating current measurement Direct current measurement Auto-range mode Auto power oﬀ indicator Low battery Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 8: Features
● Over load indication: “0L” symbol displayed when exceeding the measuring range ● Low battery indication: The “ ” symbol is displayed ● Power supply: 3 V, 2 x 1.5 V AAA batteries Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 9: Safety Precautions
4. Reference Table 4.1 Table of SI units Quantity SI Unit Abbreviation Voltage Volts Current Ampere Power Watt Energy Joule Electric charge Coulomb Resistance Ω Capacitance Farad Inductance Henry Frequency Hertz Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 10: Table Of Prefixes
5.1.3. Temperature Measurement Specifications (only for model B) Range Max. Resolution Accuracy -20 °C ~ +1000 °C 1 °C/°F ± (3% reading + 5 digits) (-4 °F ~ +1832 °F) Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 11: Resistance Measurement Specifications
Accuracy 4nF / 40nF / 400nF / 4uF / ± (3% reading + 5 digits) 40uF / 400uF / 4 mF * Only model D can measure temperature and capacitance. Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 12: Temperature Measurement Specifications (Only For Model D)
LCD. Note: Color of the product used in set-ups may slightly vary from the actual color due to photographic lighting sources or your monitor settings. Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 13: Ac And Dc Voltage Measurement
DC voltage measurement. 4) For models C and D, pressing the "FUNC" button in the ACV measurement mode measures the frequency (from 10 Hz to 30 kHz). Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 14 1. Do not measure a voltage over 600 V, because there is a risk to damage the instrument circuit when the instrument is not used according to specifications. 2. When measuring a high voltage circuit, pay attention not to touch any high voltage part of the circuit. Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 15 2. Do not measure a voltage over 600 V, because there is a risk to damage the instrument circuit when the instrument is not used according to specifications. 3. When measuring a high voltage circuit, pay attention not to touch any high voltage part of the circuit. Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 16: Resistance Measurement
WARNING: When checking the in-circuit resistance, be sure that the circuit under test has all power removed and that all capacitors have been discharged fully. Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 17: Diode & Continuity Check
‘0L’ is shown on the screen, that means the diode is OK. The display will show the approximate forward voltage drop. Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 18 The measured forward voltage in this figure is 0.526 V If you connect the probes incorrectly, the display will show "0L" Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 19 The measured forward voltage in this figure is 1.744 V In continuity test, if a conductor path is connected and if the resistance under test is 50Ω or less, the buzzer sounds Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 20: Frequency Measurement (Models C And D)
(1) Connect the frequency power source to "COM" and "VΩHz", if the wires are not suitable, test leads are needed to test the frequency. (2) The reading on the LCD corresponds to the tested frequency. The measured frequency in this figure is 980.7 Hz Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 21: Capacitance Measurement (D Only)
10 uF, it takes more than 30 seconds to take a reading. The measured capacitance in this figure is 146.3 nF The measured capacitance in this figure is 38.39 µF Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 22: Temperature Measurement (B And D. Use Func To Switch °C/°F)
In the example below, the clamp meter is used to measure the temperature of the tip of the soldering iron. To convert from °C/°F or vice versa, use the FUNC key. The measured temperature in this figure is 425 °C Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 23: Ncv Detection ("Ef" Is Shown When There Is No Measurement)
Note:* The AC electric field or NCV sensor is located at the upper part of the right clamp as shown in the figure. The left part of the clamp doesn’t have the sensor. Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 24 NCV LED flashes quickly and the buzzer sounds when it detects is an electric field CL201 Clamp meter detects voltage, red light flashes with buzzer, display is ---- due to proximity to the source Note: Even if there is no alarm indication, voltage may still exist. Do not depend on the non contact voltage detector for judging on whether there's voltage or not in a wire.
Page 25: Rel (Relative) Measurement (Cl201D Only)
2. With the probes still attached, press the REL key, this time the clamp meter will store the instantaneous measurement as a reference value, and set the display to zero or near zero. The measured voltage in this figure is -0.001 V DC Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 26 Then let’s measure a 9V battery. The measured voltage in this figure is 2.07 V DC This value is: 2. 07 �� + 6. 87 �� = 8. 94 �� Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 27: Basic Concepts
7.1.1 Example Calculate the current in this circuit. �� = Simply, we can use Ohm’s law: �� 3 �� = 0. 00588 �� = 5. 88 �� 510 Ω Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 28 If we measure the resistance on the resistor: The measured resistance in this figure is 513.3 Ω Note: Disconnect the battery when measuring the resistance, otherwise, the clamp meter may be damaged. Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 29: Joule's Law For Electrical Power
I is the current through the resistor. V is the voltage around the resistor. R is the resistance. Note: There are many types of emitting power, it may be a rotary power, light, heat, etc. Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 30: Example
= 0. 0176 �� = 17. 6 �� 510 Ω Let us see what we will get if we built this circuit in reality and calculate the power using the clamp meter. Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 31 We can count on our = 18. 57 �� 513.3 Ω (3 ��) calculation “ because 17.6 mW 18.57 mW. = 0. 0176 �� = 17. 6 �� ∼ ” 510 Ω Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 32: Kirchhoff's Law
7.3.1 Kirchhoff's Current Law Currents entering the node equals currents leaving the node. 7.3.2 Kirchhoff's Voltage Law The sum of all the voltages around the loop is equal to zero. �� Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 33: Example
(+ 2. 2 ��Ω · �� We get this equation from �� Equation 1: 3 �� − (�� · 2. 2 ��Ω) − (�� · 680 Ω) = 0 �� Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 34 · 14. 468) + 0. 0638 �� = (− 0. 003957 �� · 14. 468) + 0. 0638 �� = − 0. 05725 �� + 0. 0638 �� = 0. 00655 �� Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 35 �� = 0. 00655 �� · 47 Ω �� = 0. 3 �� Now, let us make this circuit in reality and measure the voltage around the resistors using the clamp meter. Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 36 The measured voltage in this figure is 6.087 V DC The measured voltage around the 680 Ω resistor is 2.867 V as shown from the photo below. The measured voltage in this figure is 2.867 V DC Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 37: Shunt Resistor
Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 38: Example
7.4.1 Example In this circuit, we are going to use a 8 Ω resistor as a shunt and calculate the current using Ohm’s law. Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 39 Using Ohm’s law “ “ �� = �� · �� 0. 5288 �� = �� · 7. 3 Ω 0.5288 �� = = 0. 0724 �� = 72. 4 �� 7.3 Ω Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 40: Choosing The Right Resistor For An Led
LED, it is easy to calculate the resistance. We can measure the forward voltage for the LED using the diode test function. Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 41: Example
LED is 1.867 V, so the voltage on the resistor is: 6 �� − 1. 867 �� = 4. 133 �� 4.133�� = �� = = 206. 7Ω Now, let us use Ohm’s law: �� 20 �� And the closest standard value is 200 Ω. Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 42: Measuring Internal Resistance Of A Battery
�� ● Now, we have the current and the voltage on the internal resistance, so we can calculate �� the value of the internal resistor = �� Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 43: Example
The measured voltage in this figure is 8.87 V DC Second, we connect a resistor with the battery and measure its voltage, in our case we will connect a 680 Ω resistor. Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 44 ● Now, we have the current and the voltage on the internal resistance, so we can calculate �� = �� the value of the internal resistor: �� 0.70 �� = 58. 3 Ω 0.0120 �� Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 45: Testing Some Components Using Clamp Meter
The measured resistance in this figure is 51.93 kΩ And then we measure the resistance between A - B and B - C, the sum of the two values must be equal to A - C. Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 46 The measured resistance in this figure is 11.43 kΩ The measured resistance in this figure is 40.88 kΩ , which is almost equal to 51.67 kΩ 11. 43 ��Ω + 40. 88 ��Ω = 52. 31 ��Ω Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 47: Bjt Transistor Test
Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 48 The measured forward voltage in this figure is 0.649 V Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 49 Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 50 The measured forward voltage in this figure is 0.649 V Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 51 Soldering Kit Soldering Kit Soldering Kit Model 0 Model 1 with Multimeter Model 3 Model 4 Soldering Kit Model 5 Soldering Iron Station Soldering Tips Kit Heat Gun Kit 2000W Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 52 7 meters each color 22 AWG / 60 strands 7 meters each color 24 AWG / 40 strands 9 meters each color 30 AWG / 11 strands 20 meters each color Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 53 LED KITS 3mm and 5mm LED Kit (310 pcs) 5 mm Diffused LED Kits (600 pcs) 3 mm Diffused LED Kits (1000 pcs) 3 mm Clear Lens LED Kits (1000 pcs) Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...
Page 54 Solder Wire and Paste To know more about us and our products, please visit us in our official pages: www.plusivo.com https://www.facebook.com/plusivo/ For inquiries and assistance, please reach us via email address: office@plusivo.com Mastering the Art of Measurement (CL201 Clamp Meter) r.00 www.plusivo.com...