A.W. Sperry Instruments DSA-2002P Operating Instructions Manual Download Page 2

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Contents

１．

Safety Warnings

………………………………………………………１

２．

Features

………………………………………………………………４

３．

Specifications

…………………………………………………………５

４．

Instrument Layout

……………………………………………………７

５．

Preparation for Measurement

５−１

Battery Voltage Check

………………………………………８

５−２

Checking Switch Setting and Operation

……………………８

６．

Measurement

６−１

Current Measurement

…………………………………………９

６−２

Voltage Measurement

………………………………………

６−３

Resistance Measurement

……………………………………

７．

Notes on Functions

７−１

Data Hold

………………………………………………………

７−２

Sleep Function

…………………………………………………

７−３

Output for Recorder

…………………………………………

７−４

Mode Switching Function

……………………………………

８．

Battery Replacement

…………………………………………………

Summary of Contents for DSA-2002P

Page 1: ...OPERATING INSTRUCTIONS 11 05 FORM 275 MODEL DSA 2002P DIGISNAPTM 3 3 4 DIGIT DIGITAL AC SNAP AROUND VOLT OHM AMMETER WITH PEAK HOLD ...

Page 2: ...t ５１ Battery Voltage Check ８５２ Checking Switch Setting and Operation ８６ Measurement ６１ Current Measurement ９６２ Voltage Measurement 11 ６３ Resistance Measurement 12 ７ Notes on Functions ７１ Data Hold 14 ７２ Sleep Function 14 ７３ Output for Recorder 15 ７４ Mode Switching Function 16 ８ Battery Replacement 17 ...

Page 3: ...e to use the instrument only in its intended applications and to follow measurement procedures described in the manual Be sure to understand and follow all safety instructions contained in the manual Failure to follow the above instructions may cause injury instrument damage and or damage to equipment under test The symbol indicated on the instrument means that the user must refer to related parts...

Page 4: ...xposed conductive parts however extra precaution should be taken to minimize the possibility of shorting Never attempt to use the instrument if its surface or your hand is wet Do not exceed the maximum allowable input of any measurement range Never open the battery compartment cover when making measurement Never try to make measurement if any abnormal conditions such as broken Transformer jaws or ...

Page 5: ...andards for various electrical environments categorized as CATⅠ to CATⅣ and called measurement categories Higher numbered categories correspond to electrical environments with greater momentary energy so a measuring instrument designed for CATⅢ environments can endure greater momentary energy than one designed for CATⅡ CAT Ⅰ Secondary electrical circuits connected to an AC electrical outlet throug...

Page 6: ...T Ⅲ 600VAC DC CAT Ⅱ 750VAC 1000VDC and pollution degree 2 specified by the international safety standard IEC 61010 1 Data hold function to allow easy readings in dimly lit or hard to read locations Sleep feature to conserve battery power Permits easy continuity check with a beeper Provides a dynamic range of 4 000 counts full scale Provides wide measuring range of voltage and resistance in auto ra...

Page 7: ... 1 0 rdg 2dgt Accuracy 1 5 rdg 2dgt Accuracy Frequency Range 1 5 rdg 0 5ｍＶ 50 60Hz 2 5 rdg 0 5ｍＶ 40 １kHz 1 5 rdg 0 5ｍＶ 50 60Hz 3 5 rdg 0 5ｍＶ 40 １kHz 3 5 rdg 50 60Hz Maximum Measurement Time Continuous 15min ５min Range 40Ｖ 400Ｖ 750Ｖ Range 40Ｖ 400Ｖ 1000Ｖ Range 400Ω 4kΩ 40kΩ 400kΩ Range 400Ａ 2000Ａ AC Voltage Ｖ Auto ranging Initially set to the 40V range Input impedance is about 10MΩ DC Voltage Ｖ Auto...

Page 8: ... up to 85 and Humidity without condensation Conductor Size Approx 54 5 diameter max Overload Protection 2400A AC for 10sec 1200V AC DC for 10sec 600V AC for 10sec Withstand Voltage 5550V AC for 1 minute between electrical circuit and housing cases or metal parts of jaws Insulation Resistance 10MΩ or greater at 1000V between electrical circuit and housing cases or metal parts of jaws Safety Standar...

Page 9: ...tch Terminal Cover Drop Prevention Strap Ｖ Ω Terminal COM Terminal OUTPUT Terminal Test Leads Ｍー7107 Recorder Output Plug Ｍー8102 Data Hold Mode Resistance Voltage Current Peak Mode Measurement Battery Voltage Alert Continuity Check Mode Negative Potential AC Current DC Current ＬＣＤ INDICATOR Function Switch ...

Page 10: ...ion other than OFF This is due to sleep function which automatically powers the instrument down in a certain period of time after the last switch operation To operate the instrument in this case set the switch back to the OFF position then to the desired position or press any button ５２ Checking Switch Setting and Operation Make sure that the function selector switch is set to the correct position...

Page 11: ...ith the test leads connected to the V Ω and COMMON terminals When measuring current is not less than 1000A make sure to stop measurement within the maximum measuring time shown below Otherwise transformer jaws may heat to cause a fire or deformation of molded parts which will degrade insulation 1000 1500Ａ 15min 1500 2000Ａ５min Keep your fingers and hands behind the barrier during measurement ６１１...

Page 12: ...s the mode button to select the peak mode PEAK will be shown on the display Press the trigger to open the transformer jaws and clamp them onto the conductor under test Then press the reset button The display shows the current s crest value divided by the square root of two Therefore when the current is sinusoidal the reading equals RMS value To reset the display press the reset button Note When th...

Page 13: ... the red test lead into the V Ω terminal and the black test lead into the COM terminal Connect the other end of the test leads to the circuit under test Take the reading on the display When the red lead is the negative potential the ー sign is shown on the display ６２２ AC Voltage Measurement Set the function selector switch to the V position Slide the terminal cover to the left Plug the red test l...

Page 14: ...Mode Set the function selector switch to the Ω position Slide the terminal cover to the left Plug the red test lead into the V Ω terminal and the black test lead into the COM terminal Short the tip of the test leads and check whether the display reads 0 Connect the tip of the test leads to the circuit under test Take the reading on the display NOTE When shorting the tip of the test leads the displ...

Page 15: ...d to 400Ω and the symbol is shown on the display Short the tip of the test leads and make sure that the display reads 0 and the buzzer beeps Connect the tip of the test leads to the circuit under test The display reads the resistance and the buzzer beeps when the reading is not more than about 50Ω NOTE When shorting the tip of the test leads the display may read a very small resistance instead of ...

Page 16: ...abled in the peak measurement mode on the AC current range When the sleep function is activated the data hold mode turns to the normal mode ７２ Sleep Function This is a function to prevent the instrument from being left powered on in order to conserve battery life The instrument automatically enters the sleep powered down mode about 10 minutes after the last switch operation To exit the sleep mode...

Page 17: ... from the OUTPUT terminal Set the function selector switch to the 400A or 2000A position Slide the terminal cover to the right and insert the recorder output plug into the OUTPUT terminal for connection with a recorder or other recording device NOTE Output voltage is 1mV A on the 400A range and 0 1mV A on the 2000A range Set an appropriate input sensitivity on the recorder The peak hold function d...

Page 18: ...des The instrument is initially set to the normal mode and can be switched to the peak or continuity check mode by means of the mode button See section 6 1 2 for peak current measurement and section 6 3 2 for continuity check Normal Peak Peak current value is displayed Response time 10ms PEAK is shown on the display Press the mode button Normal Continuity Check The buzzer beeps if the resistance i...

Page 19: ...y as indicated in the battery compartment NOTE If the instrument is powered on but the display blanks or BATT is shown on the display replace the batteries Set the function selector switch to the OFF position Unscrew and remove the battery compartment on the bottom of the instrument Replace the batteries observing correct polarity Use two new R6P batteries Replace and screw the battery compartment...

Page 20: ... 18 ＭＥＭＯ ...

Page 21: ... 19 ＭＥＭＯ ...

Page 22: ... 20 ＭＥＭＯ ...

Page 23: ...ions under normal operating conditions at rated use 1 Replacement procedure Securely wrap the instrument and its accessories in a box or mailing bag and ship prepaid to the address below Be sure to include your name and address as well the name of the distributor with a copy of your invoice from whom the unit was purchased clearly identifying the model number and date of purchase A W SPERRY INSTRU...

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