Subscribe to Our Youtube Channel
Related Manuals for YOKOGAWA CL250
Summary of Contents for YOKOGAWA CL250
- Page 1 User's CL250 Clamp-on Tester Manual クランプテスタ IM CL250 保証書付 IM CL250 2017.10 11 版 (KYOU)
-
Page 2: Table Of Contents
Contents ■ Precautions for Safety Use of the Instrument ……………………………… i 1. Instrument Layout …………………………………………………………… 1 2. Measurement ………………………………………………………………… 3 2.1 Preparation for Measurement ……………………………………… 3 2.2 DC Current Measurement ………………………………………… 2.3 AC Current Measurement ………………………………………… 2.4 DC Voltage Measurement ………………………………………… 2.5 AC Voltage Measurement ………………………………………… 2.6 Resistance Measurement …………………………………………… 7 2.7 Continuity Check (400Ω range fixed) …………………………… 7 2.8 MAX Measurement …………………………………………………... -
Page 3: Precautions For Safety Use Of The Instrument
■ Precautions for Safe Use of the Instrument When handling the instrument, ALWAYS observe all of the cautionary notes on safety given below. Yokogawa M&C Corporation is not at all liable for damage resulting from misuse of this product by the user that is contrary to these cautionary notes. - Page 4 ● Do not install substitute parts or make any modification to the instrument. Return the instrument to Yokogawa Meters & Instruments or your distributor for repair or re-calibration. ● Always switch off the instrument before opening the battery compartment cover for battery replacement.
- Page 5 WARNING To avoid damage to the instrument or electric shock! The restrictions on the maximum voltage level for which the CL250 testers can be used, depend on the Measurement categories specified by the safety standards. These category specifications are formulated to protect operators against transient impulse voltages in power lines.
-
Page 6: Instrument Layout
Press the button again to exit the MAX mode. A press of the button on the resistance range turns the instrument to the continuity check mode with " " symbol shown on the display. In this mode, IM CL250... - Page 7 DC output voltage. Connect suitable connection cord to the plug when it is used. (See section 3.3 OUTPUT Terminal) (16) Barrier: It is a part providing protection against electrical shock and ensuring the minimum required air and creepage distances. IM CL250...
-
Page 8: Measurement
( button is enabled only on 400A DC range.) " " should be shown on the display. (3) Set the Function Selector switch to the position appropriate for the order of the current under test. IM CL250... -
Page 9: Ac Current Measurement
AC mode. If the instrument is in the DC mode, press the button once to select the AC mode. (The instrument is set to the mode when it is powered on.) "AC" should be shown on the upper left corner of the display. IM CL250... -
Page 10: Dc Voltage Measurement
"DC" should be shown on the upper left corner of the display. (2) Slide the terminal cover to the left. Plug the red test lead into the Hi terminal and the black test lead into the Lo terminal. IM CL250... -
Page 11: Ac Voltage Measurement
(2) Slide the terminal cover to the left. Plug the red test lead into the Hi terminal and black test lead into the Lo terminal. (3) Connect the tip of the test leads to the circuit under test. Take the reading on the display. IM CL250... -
Page 12: Resistance Measurement
The " " symbol should be shown on the display. (4) Check that the display reads "OL". Then short together the tip of the test leads and make sure that the display reads "0" and the buzzer beeps. IM CL250... -
Page 13: Max Measurement
●Data Hold function is disabled in MAX measurement mode. ● For measurement over a period more than 10 minutes, disable the Sleep function according to the User’ s Manual in section 3.1 Sleep Function. Otherwise, the instrument automatically turns itself off in about 10 minutes. IM CL250... -
Page 14: Other Functions
To exit the Data Hold mode, press the Data Hold button again. NOTE ● The Data Hold mode is disabled when the instrument switches to the Sleep mode. ● The Data Hold function is disabled in the MAX measurement mode. IM CL250... -
Page 15: Output Terminal (For Current Ranges Only)
● The Sleep function is disabled while the output plug is inserted into the OUTPUT terminal. When the output plug is disconnected from the terminal, the Sleep function is enabled in about 10 minutes. ● Set the appropriate sensitivity on the recorder or other recording device. (See chapter 5. Specifications.) IM CL250... -
Page 16: Optional Accessories
400A" position. (2)Select the AC mode with the button. (3) As shown in the figure below, clamp MODEL CL250 onto the pickup coil of MODEL 99025. (4)Clamp MODEL 99025 onto the bus-bar or conductor under test. (5)Take the reading on MODEL CL250 and multiply it by 10. -
Page 17: Battery Replacement
(1)Set the Function Selector switch to the "OFF" position. (2) Unscrew and remove the battery compartment cover on the bottom of the instrument. (3) Replace the batteries observing correct polarity. Make sure to use two new R6P batteries. (4)Replace and screw the battery compartment cover. IM CL250... -
Page 18: Specifications
Resistance Ω (Auto-ranging) Range Measuring Ranges Accuracy 400Ω 0 to 3999Ω ± 1.5% rdg ± 2dgt 4000Ω Resistance, Continuity check (Range Fixed) レンジ 測定範囲 確度（周波数範囲） ±1.5% rdg ±2dgt 400Ω 0 to 399.9Ω (Buzzer beeps at 50 ± 35Ω or less) IM CL250... - Page 19 ● Effect of external magnetic field : 4A or less in AC or DC magnetic field of 400 A/m ●Power Source : Two R6P(DC1.5V) batteries or equivalent ●Battery Life : Approx. 100 hours (continuity) ●Current Consumption : About 9mA max. IM CL250...
- Page 20 ●Accessories : Test leads Model 98072 ………… 1set R6P (SUM3) batteries …………… 2 Carrying case Model 93034 …… 1 Output Plug Model 98012 ……… 1 User’ s Manuall ……………………… 1 ● Optional Accessories : Clamp adapter Model 99025 Output cable for terminal screw Model 98077 IM CL250...
-
Page 21: Calibration And After-Sales Service
If the tester still fails to operate correctly and needs repair, contact the vendor from whom you purchased the instrument or the nearest Yokogawa Meters & Instruments sales office. ●Turn off the POWER switch once, then turn it back on again. - Page 22 This manual is valid only in China. 产品中有害物质的名称及含量 有害物质 表示该有害物质在该部件所有均质材料中的含量均在GB/T 26572 规定的限量要求以下。 表示该有害物质至少在该部件的某一均质材料中的含量超出GB/T 26572 规定的限量要求。 IM CL250...
Need help?
Do you have a question about the CL250 and is the answer not in the manual?
Questions and answers