background image

2000 A DCA/ACA CLAMP + DMM, true rms

RS232/USB Computer interface

DCA/ACA

CLAMP METER

Model : CM-9930R

Your purchase of this
D C A / A C A   C L A M P
METER with RS232/USB
computer interface
marks a step forward for
you into the field of
precision measurement.
Although this CLAMP
METER is a complex and
delicate instrument, its
durable structure will
allow many years of use
if proper operating
t e c h n i q u e s   a r e
developed. Please read
t h e   f o l l o w i n g
instructions carefully
and always keep this
manual within easy
reach.

       OPERATION MANUAL

Содержание CM-9930R

Страница 1: ...r interface marks a step forward for you into the field of precision measurement Although this CLAMP METER is a complex and delicate instrument its durable structure will allow many years of use if proper operating t e c h n i q u e s a r e developed Please read t h e f o l l o w i n g instructions carefully and always keep this manual within easy reach OPERATION MANUAL ...

Страница 2: ...verload voltage current to the input terminal Remove test leads before open the battery cover Cleaning Only use the dry cloth to clean the plastic case Environment Conditions Installation categories III Pollution Degree 2 Altitude up to 2000 meters Relative humidity 80 max ...

Страница 3: ... Test 8 5 6 AC Current Measurement Clamp on 9 5 7 DC Current Measurement Clamp on 9 5 8 AC Current Measurement Direct input 10 5 9 DC Current Measurement Direct input 10 5 10 Capacitance Measurement 11 5 11 Frequency Measurement 11 5 12 Duty Cycle Measurement 12 5 13 Data Hold Operation 12 5 14 Relative Operation 12 5 15 Back Light Operation 12 6 MAINTENANCE 13 6 1 Replacement of Battery 13 6 2 Re...

Страница 4: ...SB PC COMPUTER interface Compact heavy duty ABS and fireproof plastic case 2 SPECIFICATIONS 2 1 General Specifications Display 15 mm 0 6 LCD 4 digits Max indication 4000 Measurement ACA DCA ACV DCV Ohms Diode Hz Range Capacitance Duty cycle Continuity beeper Polarity Automatic Switching indicates negative polarity Current Sensor Hall effect sensor Zero adjustment DCA Push bottom adjustment Other r...

Страница 5: ...apter Pressure Adapter Sound Adapter Tachometer Adapter High Voltage Probe 2 2 Electrical Specifications 23 5 Function Range Reso Accuracy Overload lution Protection DC AC 400 mV 0 1 mV 0 5 2d Voltage DC only 4 V 0 001V DCV 40 V 0 01V 1 2d 400 V 0 1 V ACV AC DC 1000 V 1000V 1 V 1 2 5d DC AC 400 uA 0 1 uA Current 4000 uA 1 uA Direct input 40 mA 0 01 mA 1 2 5d AC DC 500 mA 400 mA 0 1 mA Fuse DC AC 4...

Страница 6: ... Hz 5 V 50 Hz 0 01 Hz 500 Hz 0 1 Hz 5 KHz 1 Hz 1 5 d 50 KHz 0 01 KHz 100 KHz 0 1 KHz AC DC 1000V Duty cycle 1 to 0 1 99 Diode Short non conductance good defect test Continuity If rmeasuring esistance is less than 10 ohm the beeper will sound Remark Spec tested under the environment RF Field Strength less than 3 V M frequency less than the 30 MHz only The accuracy of capacitance range are specified...

Страница 7: ...tor 3 10 Manual range select button 3 4 Function rotary switch 3 11 Display 3 5 DCA zero button 3 12 uA mA direct current input 3 6 Relative button terminals 3 7 Data hold Back light 3 13 V ohm Hz Diode Continuity button Capacitance input terminals 3 8 V Hz Duty Cycle 3 14 Battery cover Compartment button 3 15 Stand 3 16 RS 232 Output Terminal 4 ...

Страница 8: ...not exceed the maximum rated voltage to the input terminal 6 Always switching the Function Rotary Switch to the Off position when the instrument is not operation 7 Remove the battery if the instrument is not to be used in a long period of time 8 Though the Ohm Capacitance ranges build the overload protection circuit however it is prohibited to apply any voltage to input terminal when making the me...

Страница 9: ...low condition already Appears when operating the Automatic range mode Appears when the Continuity beeper is operated mV V Units for voltage measurements Ω KΩ MΩ Units for resistance measurements Appears when the Diode function is operated Appears when measuring a DCV or DCA value is negative Unit for Duty cycle measurement uA mA A Units for Current measurement Hz KHz Units for Frequency measuremen...

Страница 10: ...Under the operation of auto range mode push the Range button 3 10 Fig 1 will hold the range 5 3 Resistance Measurement 1 Connect BLACK test lead into COM terminal 2 Connect RED test lead into Ω terminal 3 Select the Function rotary switch 3 4 Fig 1 to the Ω position then push the FUNC button 3 9 Fig 1 for display show Ω 4 When LCD show the AUTO marker the meter is under the auto range mode the met...

Страница 11: ... a When connected with polarity as shown in Fig 2 a forward current flow is established and the approx Diode Forward Voltage VF value in volt will appears on the display reading If the diode under test is defective 000 or near 000 value short circuit or 1 open circuit will be displayed Fig 2 Fig 3 b When connected as shown in Fig 3 a reverse check on the diode is made If the diode under test is go...

Страница 12: ...sert the Terminal rubber cover Fig 4 for protection Fig 4 5 7 DC Current Measurement Clamp on 1 Select the Function rotary switch 3 4 Fig 1 to the 2000A position then push the FUNC button 3 9 Fig 1 for display show 2 Push the DCA zero button 3 5 Fig 1 at least 2 seconds to let the display show ZERO value 3 Press the Trigger 3 2 fig 1 to open the Current Sensor Jaws 3 1 Fig 1 clamp on the measure c...

Страница 13: ... in which the current are to be measured Now securely connect test lead in series with the circuit 5 9 DC Current measurement Direct input All the measuring procedures are same as above 5 8 except push the FUNC button 3 9 Fig 1 for display show Consideration a The max reading value for direct input current value is AC DC 400 mA Do not exceed the input current value more than 400 mA Otherwise the p...

Страница 14: ...minal not connecting the measured capacitor push the REL Button 3 6 Fig 1 the display will show zero value Then connect the measuring capacitor again make the measurement following 5 For the capacitance measurement the meter is always under the auto range mode it will select the suitable measurement range automatically 5 11 Frequency Measurement 1 Connect BLACK test lead into COM terminal 2 Connec...

Страница 15: ...ction 5 14 Relative Operation 1 During the measurement the circuit will memorize the last measured values if push the REL Button 3 6 Fig 1 at once then LCD will show zero value a REL indicator 2 The input measured values will deduct last measured values automatically then show those new value on the display 3 It will release the Relative Measurement function if push the REL button at once again at...

Страница 16: ...Fig 1 by screwdriver then move the battery 3 Replace with 9V battery and reinstate the cover 6 2 Replacement of Fuse Fuse Rating 500 mA Size 5 mm dia x 20 mm 1 The meter is provided with one 5 x 20 mm 500 mA fuse for current direct input measurement current range overload protection purpose 2 When the direct input current range can not operate please check if the fuse is broken When replace the fu...

Страница 17: ...s a 16 digit stream which can be utilized for user s specific application A RS232 lead with the following connection will be required to link the instrument with the PC serial port Meter PC 9W D Connector Center Pin Pin 4 3 5 mm jack plug Ground shield Pin 2 2 2 K resister Pin 5 The 16 digits data stream will be displayed in the following format D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D...

Страница 18: ... DCuA 35 DCmA 37 Diode 34 ACuA 51 ACmA 53 uF 44 nF 43 D10 Polarity 0 Positive 1 Negative D9 Decimal Point DP position from right to the left 0 No DP 1 1 DP 2 2 DP 3 3 DP D8 to D1 Display reading D1 LSD D8 MSD For example If the display reading is 1234 then D8 to D1 is 00001234 D0 End Word RS232 FORMAT 9600 N 8 1 Baud rate 9600 Parity No parity Data bit no 8 Data bits Stop bit 1 Stop bit 15 ...

Страница 19: ...ware SW U801 WIN provides the functions of data logging system text display angular display chart display data recorder high low limit data query text report chart report xxx mdb data file can be retrieved for EXCEL ACESS wide intelligent applications Light Adapter Model LX 02 EMF Adapter Model EMF 824 Pressure Model PS 403 Adapter Anemometer Model AM 402 Adapter Tachometer Model TA 601 Adapter So...

Страница 20: ...9 THE ADDRESS OF AFTER SERVICE CENTER 17 0908 CM9930R ...

Отзывы: