TES-2900 True RMS Multimeter with Datalogger
Applications:
You can get an accurate ground resistance measurement in the presence of offset voltage.
Features
Smart ohm for ground resistance measurement.
Variable – frequency drive (VFD) V & Hz measurement.
Lo – Z voltage measurement to drain ghost voltages.
Check 3 phase sequence.
Data hold, Auto hold & Peak hold mode.
Max/Min/Avg record mode.
Relative value display.
Frequecy count. (Auto-Range)
Temperature type K, J measurement.
Capacitance measurement.
Data memory & read function.
AC Voltage
AC conversions are ac-coupled and valid from 3 % to 100 % of range.
Range |
Resolution |
Accuracy |
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45 – 65Hz |
15 – 200Hz |
200 – 440Hz |
440Hz -1kHz |
1 – 5kHz |
5 – 20kHz |
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999.9 mV |
0.1 mV |
±(0.7%+4) |
±(1.0 % + 4) |
±(2%+4) |
±(2%+20) (1) |
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9.999 V |
0.001 V |
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99.99 V |
0.01 V |
±(0.7%+2) |
±(2%+4) (2) |
Unspecified |
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999.9 V |
0.1 V |
Unspecified |
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VFD |
±(1.0%+4) |
+1.0%+4 -6.0%-4 (3) |
Unspecified |
Unspecified |
Unspecified |
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(1) Below 10 % of range, add 12 counts. (2) Frequency range: 1 to 2.5 kHz (3) Specification increases from -1 % to -6 % at 440 Hz when filter is used. |
DC Voltage, Conductance, and Resistance
Function |
Range |
Resolution |
Accuracy |
mV dc |
999.9 mV |
0.1mV |
±(0.1 % + 1) |
V dc |
9.999 V |
0.001 V |
±(0.05 % + 1) |
99.99 V |
0.01 V |
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999.9 V |
0.1 V |
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Ω |
999.9 Ω |
0.1 Ω |
±(0.2 % + 2) (2) |
9.999 kΩ |
0.001 kΩ |
±(0.2 % + 1) |
|
99.99 kΩ |
0.01 kΩ |
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999.9 kΩ |
0.1 kΩ |
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9.999 MΩ |
0.001 MΩ |
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50.00 MΩ |
0.01 MΩ |
±(1.0 % + 1) (1) |
|
nS |
99.99 nS |
0.01 nS |
±(1.0 % + 10) (1,2) |
(1) Add 0.5 % of reading when measuring above 30 MΩ in the 50 MΩ range, and 20 counts below 33 nS in the 100 nS range. (2) When using the rel function to compensate for offsets. |
Temperature
Thermocouple Type |
Range |
Accuracy |
K |
-40 to 500°C |
±0.3%±1°C |
J |
-40 to 500°C |
|
(1) Does not include error of the thermocouple probe. (2) Accuracy specification assumes ambient temperature stable to ± 1 °C |
AC Current
Function |
Range |
Resolution |
Burden Voltage |
Accuracy |
μA ac |
999.9μA |
0.1μA |
100μV/μA |
±(1.0 % + 2) |
9999μA |
1μA |
100μV/μA |
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mA ac |
99.99 mA |
0.01 mA |
1.8 mV/mA |
|
400.0 mA |
0.1 mA |
1.8 mV/mA |
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A ac |
9.999 A |
1 mA |
0.03 V/A |
|
AC conversions are ac coupled, true rms responding, and valid from 3 % to 100 % of range, except 400 mA range. (5 % to 100 % of range) and 10 A range (15 % to 100 % or range). |
DC Current
Function |
Range |
Resolution |
Burden Voltage |
Accuracy |
μA dc |
999.9μA |
0.1μA |
100μV/μA |
±(0.2 % + 4) |
9999μA |
1μA |
100μV/μA |
±(0.2 % + 2) |
|
mA dc |
99.99 mA |
0.01 mA |
1.8 mV/mA |
±(0.2 % + 4) |
400.0 mA |
0.1 mA |
1.8 mV/mA |
±(0.2 % + 2) |
|
A dc |
9.999 A |
1 mA |
0.03 V/A |
±(0.2 % + 2) |
Capacitance
Range |
Resolution |
Accuracy |
10.00 nF |
0.01 nF |
±(1.0 % + 2) (1) |
100.0 nF |
0.1 nF |
|
1.000 μF |
0.001 μF |
±(1.0 % + 2) |
10.00 μF |
0.01 μF |
|
100.0 μF |
0.1 μF |
|
9999 μF |
1 μF |
|
(1) With a film capacitor or better, using the rel mode to zero residual. |
Diode
Range |
Resolution |
Accuracy |
9.999 V |
0.001 V |
±(1.0 % + 1) |
3f Phase sequence indication :
Range |
Frequency Response |
Overload Protection |
80V to 480V |
50Hz / 60Hz |
1000V |
Frequency
Range |
Resolution |
Accuracy |
99.99 Hz |
0.01 Hz |
±(0.005 % + 1) (1) |
999.9 Hz |
0.1 Hz |
|
9.999 kHz |
0.001 kHz |
|
99.99 kHz |
0.01 kHz |
|
(1) From 0.5 Hz to 100 kHz and for pulse widths >2μs. |
Frequency Counter Sensitivity and Trigger Levels
Input Range |
Minimum Sensitivity (RMS Sine Wave) |
Approximate Trigger Level (DC Voltage Function) |
|
5 Hz – 10 kHz |
0.5 Hz – 100 kHz |
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999.9 mV dc |
70 mV (to 400 Hz) |
70 mV (to 400 Hz) |
40 mV |
999.9 mV ac |
150 mV |
150 mV |
- |
9.999 V |
0.3 V |
0.7 V |
1.7 V |
99.99 V |
3 V |
7 V (≤140 kHz) |
4 V |
999.9 V |
30 V |
70 V (≤14.0 kHz) |
40 V |
Duty Cycle (Vdc and mVdc)
Range |
Accuracy |
0.0 % to 99.9 % (1) |
Within ± (0.2 % per kHz + 0.1 %) for rise times < 1 μs. |
(1) 0.5 Hz to 100 kHz, pulse width >2 μs. Pulse width range is determined by the frequency of the signal. |
Input Characteristics
Function |
Overload Protection
|
Input Impedance (nominal)
|
Common Mode Rejection Ratio (1 kΩ unbalance) |
Normal Mode Rejection |
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V |
1000V rms |
10MΩ<100pF |
> 120 dB at dc, |
> 60 dB at 50 Hz or 60 Hz |
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mV |
1000V rms |
> 120 dB at dc, 50 Hz or 60 Hz |
> 60 dB at 50 Hz or 60 Hz |
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V |
1000V rms |
10MΩ<100pF (ac-coupled) |
> 60 dB, dc to 60 Hz |
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Open Circuit Test Voltage
|
Full Scale Voltage |
Typical Short Circuit Current |
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To 6 MΩ |
5MΩ or 60 nS |
1kΩ |
10kΩ |
100kΩ |
1MΩ |
10MΩ |
50MΩ |
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W |
1000V rms |
<2.8 V dc |
<850mV dc |
<1.3V dc |
500μA |
100μA |
10μA |
1μA |
0.2μA |
0.1μA |
- |
1000V rms |
<2.8 V dc |
2.200 V dc |
1.0 mA typical |
Power Source :006P DC9V
Weight/Size : Approx. 370g / 186mm(L)×84mm(W)×51mm(T), (7.32"L×3.31"W×2.0"T)
Accessories : Test leads (pair), Battery, Operating Instruction.