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Numéro de référence DT9205A
Description Operator Manual
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DT9205A Datasheet, Description
8/2/12
DT92 Advanced Series
Free Datasheet http://www.datasheet4u.com/
DT92 Advanced Series
DT9201A/DT9202A/DT9203A/DT9204A
DT9205A/DT9206A/DT9207A/DT9208A
DIGITAL MULTIMETER
OPERATOR'S MANUAL
Large rotational folded LCD display
1. INTRODUCTION
This DT92 Advanced Series Digital Multimeter is a compact precision, battery operated, LCD display 3-Ѕ or 4-Ѕ digits Digital Instrument. Superiority:
High accuracy
Large rotational folded LCD display, button release lock
Digital height 25mm
Single 32 position rotary switch for FUNCTION and RANGE selection, allows fast and convenient operation.
Curvilinear mode soft case.
Colored indication jack with fully protection test leads.
Lower overage power Auto-Power Off
Data hold for easy reading
2. GENERAL SPECIFICATION
1. Display: 3-1/2 digits LCD with a maximum reading of 1999. (Model DT9203A/DT9204A is 4-Ѕ digit maximum reading of 19999.)
2. Measurement rate: updates 2-3 sec.
3. Over range indication: "1" figure only in the display
4. Automatic negative polarity indication.
5. The " " displayed when the battery voltage drops below the operating voltage.
6. Full range over load protection.
7. Capacitance measurement Auto-Zeroing.
8. Auto Power Off It will be automatically cut off in about 15 minutes after the power is turned on. It needs to be turned off and turned on again to continue
the power.
9. Operating temperature: 0°C~40°C, 0~75% R.H. Storage temperature: -10°C~50°C, 0~75% R.H.
10. Power Single standard 9V battery EC 6F22, NEDA 1604, JIS 006P.
11. Dimensions: 191L*89W*35Hmm.
12. Weight: approx 310g (including battery)
13. Accessories: test leads (pair), spare fuse 0.5A piece in case (model DT9201A fuse 2A), K-type thermocouple wire (model DT9207A/DT9208A only),
operator's manual.
3. ELECTRICAL SPECIFICATIONS
Accuracy is given as ± (% of reading + number of least significant digits) for one year, at 23°C±5°C RH<75%
1) DCV
Range
Accuracy
DT9201A DT9202A DT9203A DT9204A DT9205A DT9206A DT9207A DT9208A
200mV
2V
20V
0.5%± 1 0.5%±1 0.05%±3 0.1%±2 0.5%±1 0.5%± 1 0.5%± 1 0.5%± 1
200V
1000V 0.8%± 2 0.8%±2 0 .1%±5 0.2%±5 0.8%±2 0.8%± 2 0.8%±2 0.8%±2
Input impedance: 10MΩ on all range.
2) ACV
Range
Accuracy
DT9201A DT9202A DT9203A DT9204A DT9205A DT9206A DT9207A OT9208A
200mV 1.2%±3 1 2%±3 —
— 1.2%±3 — 1.2%±3 —
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DT9205A Fiche technique
8/2/12
DT92 Advanced Series
Range
Accuracy
Free Datasheet http://www.datasheet4u.com/
DT9201A DT9202A DT9203A DT9204A DT9205A DT9206A DT9207A DT9208A
2KHz
20KHz
——
1.5%±5 1.5%±5 — 1.5%±5 — 1.5%±5
Sensitivity: 100mV rms
4. PRECAUTIONS AND PREPARATIONS FOR MEASUREMENT
1. Be sure that battery is correctly placed in the battery case and connected to the battery snap
2. Don't exceed the input limit shown below:
Function Range Input terminals Maximum input
DCV 200mV
250VDC
ACV
DCV
200mV
2~1000V
V/OHM
COM
250VAC
1000 VDC
ACV 2~750V
750VAC
OHM
V/OHM COM
Freq
Logic
V/OHM/Hz COM
V/OHM COM
250V DC/AC
Diode
V/OHM COM
DCA 200mA
ACA 200mA
DCA2A
ACA2A
A COM
200mA DC/AC
2A DC/AC
DCA 20A 20A COM
20A DC/AC
3. Inspect the test leads for damaged insulation or exposed metal. Check Test lead continuity. Damaged leads should be replaced.
4. Select the proper function and range for your measurement
5. Check the input terminal position for red test lead depends on measurement ranges.
6. Either one of the test leads should be taken of from the circuit under test when changing the test ranges.
7. To avoid electrical shock or damage to the meter. Do not apply more then 500V between any terminal and earth ground.
8. To avoid electronic shock, use caution when working above 60VDC or 25VAC rms, such voltage pose a shock hazard.
9. When finished the measurement switch off the power. Be sure to remove the battery when it is not used for a long time to avoid leakage problem.
10. Do not tamper with the circuitry to avoid damage.
11. Do not use or store the instrument in a place of direct sunlight, high temperature and high humidity.
5. METHOD OF MEASUREMENT
5.1 DCV & ACV MEASUREMENT
1. Set the Function range switch at the required position.
2. Connect black test lead to "COM" terminal and red test lead to the "V/OHM" input terminal.
3. Connect test leads to measuring point and read the display value the polarity of the red lead connection will be indicated at the same time as the voltage.
Note:
a. If the voltage to be tested is unknown beforehand, set the Function range switch to the highest range and work down.
b. When only the figure "1" is displayed over range is being indicated and the function range switch has be set to a higher range.
c. Never try to measure the voltage above 1000V! Although the indication is possible to show, there is danger of damaging the internal
circuitry.
5.2 DCA & ACA MEASUREMENT
1. Connect the black test lead to the "COM" terminal and the red test lead to "A" terminal for a maximum of 0.5A (model DT9201A maximum 2A)
2. Set the function range switch at the required position.
3. Connect test leads to measuring points and read the display value. The polarity at the red test lead connection will be indicated at the same time as the
current.
Note:
a) If the current range is unknown beforehand, set the function range switch to the highest range and work down.
b) When only the figure "1" is displayed, over range is being indicated and the function range switch has be set to a higher range.
c) Excessive current will below the fuse that must be replaced when the input is from "A" terminal. Fuse type is 0.5A (model DT9201A use 2A).
d) The 2QA range is not protected by a fuse, maximum 10A continuous, maximum 20A measuring time must be less than 15 seconds.
5.3 RESISTANCE MEASUREMENT
1. Connect black test lead to "COM" terminal and red test lead to the "V/OHM" input terminal.
2. Set the function range switch to the OHM range.
3. Connect the test leads across the resistance under measurement and read the display value.
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