Obsnap Instruments Sdn Bhd
29A, Jalan SS 15/4C, 47500 Subang Jaya, Selangor, Malaysia.
+603-5621 5786
+603-5621 5829
+60122185651 (Enquiry)
+60162233687 (Vacancy)
True RMS Multimeter TES-2900
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Product Features
DC Voltage, Conductance, and Resistance
Temperature
AC Current (45Hz to 10kHz)
DC Current
Capacitance
Diode
3f Phase Sequence Indication
Frequency Counter Specifications
Frequency Counter Sensitivity
Hz Logic Level Frequency
Input Characteristics
General Specifications:
- Variable – frequency drive (VFD) V & Hz measurement.
- Lo – Z voltage measurement to drain ghost voltages.
- Check 3 phase sequence.
- Voltage harmonic ratio measurement.
- Smart ohm for ground resistance measurement.
- Data hold & Auto 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.
Accuracies are ±(...% of reading + ...digits) at 23¡æ ± 5¡æ,below 80% RH.
AC Voltage
AC conversions are ac-coupled and valid from 3 % to 100 % of range.
| Range | Resolution | Accuracy | |||||
| 45 – 65Hz | 15 – 200Hz | 200 – 440Hz | 440Hz – 1kHz | 1 – 5kHz | 5 – 20kHz | ||
| 999.9mV | 0.1mV | ±(0.7%+4) | ±(1.0 % + 4) | ±(2%+4) |
±(2%+20) [1] |
||
| 9.999V | 0.001V | ||||||
| 99.99V | 0.01V | ±(0.7%+2) |
±(2%+4) [2] |
Unspecified | |||
| 999.9V | 0.1V | Unspecified | |||||
| VFD | ±(1.0%+4) |
+1.0%+4 -6.0%-4 [3] |
Unspecified | Unspecified | Unspecified | ||
|
[1] Below 10 % of range, add 12 counts. [2] Frequency range: 1 to 2.5kHz [3] Specification increases from -1% to -6% at 440Hz when filter is used. |
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| Function | Range | Resolution | Accuracy |
| mV dc | 999.9mV | 0.1mV | ±(0.1% + 1) |
| V dc | 9.999V | 0.001V | ±(0.05% + 1) |
| 99.99V | 0.01V | ||
| 999.9V | 0.1V | ||
| Ω | 999.9Ω | 0.1Ω | ±(0.2% + 2) [2] |
| 9.999kΩ | 0.001kΩ | ±(0.2% + 1) | |
| 99.99kΩ | 0.01kΩ | ||
| 999.9kΩ | 0.1kΩ | ||
| 9.999MΩ | 0.001MΩ | ±(1% + 1) | |
| 50.00MΩ | 0.01MΩ | ±(5% + 1) [1] | |
| nS | 99.99nS | 0.01nS | ±(5% + 10) [1,2] |
|
[1] Add 0.5% of reading when measuring above 30MΩ in the 100MΩ range, and 20 counts below 33nS in the 100nS range. [2] When using the rel function to compensate for offsets.Smart Ω: ±(1% + 2). |
|||
Temperature
| Thermocouple Type | Range | Accuracy |
| K | -40 to 1372¡æ (-40 to 2502¨H) | ±1.0%±1¡æ(2¨H) |
| J | -40 to 1200¡æ (-40 to 2192¨H) | |
|
[1] Does not include error of the thermocouple probe. [2] Accuracy specification assumes ambient temperature stable to ± 1°C. For ambient temperature changes of ± 5°C, rated accuracy applies after 2 hour. |
||
| Function | Range | Resolution | Burden Voltage | Accuracy |
| μA ac | 999.9μA | 0.1μA | 100μV/μA | ±(1.0 % + 2) |
| 9999μA | 1μA | 100μV/μA | ||
| mA ac | 99.99mA | 0.01mA | 3.6mV/mA | |
| 400.0mA | 0.1mA | 3.6mV/mA | ||
| A ac | 9.999 A | 1mA | 50V/A | |
|
AC conversions is true rms responding, and valid from 3% to 100% of range, except 400 mA range. (5% to 100% of range) and 10A range (15% to 100% or range). |
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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 | 3.6 mV/mA | ±(0.2% + 4) |
| 400.0 mA | 0.1 mA | 3.6 mV/mA | ±(0.2% + 2) | |
| A dc | 9.999 A | 1 mA | 50 mV/A | ±(0.2% + 2) |
Capacitance
| Range | Resolution | Accuracy |
| 10.00nF | 0.01nF | ±(2.0% + 2) [1] |
| 100.0nF | 0.1nF | |
| 1.000μF | 0.001μF | ±(2.0% + 2) |
| 10.00μF | 0.01μF | |
| 100.0μF | 0.1μF | |
| 9999μF | 1μF | |
| [1] With a film capacitor or better, using the rel mode to zero residual. | ||
| Range | Resolution | Accuracy |
| 2V | 0.001V | ±(1.0% + 1) |
| Range | Frequency Response | Overload Protection |
| 80V to 480V | 50Hz / 60Hz | 1000V |
| Range | Resolution | Accuracy |
| 99.99Hz | 0.01Hz | ±(0.1% + 1) |
| 999.9Hz | 0.1Hz | |
| 9.999 kHz | 0.001kHz | |
| 99.99 kHz | 0.01kHz | |
| 999.9 kHz | 0.1kHz | |
| 9999 kHz | 1kHz | |
| From 5Hz to 99.99kHz, pulse width > 5μs. | ||
| Input Range | Approximate Voltage Sensitivity (rms sine wave) [ 1 ] | |
| 5Hz to 100Hz | 100Hz to 100kHz | |
| 999.9mV | 50mV VFD | 50mV |
| 9.999V | 500mV VFD | 500mV |
| 99.99V | 5V VFD | 5V |
| 999.9V | 50V VFD | 50V |
| Input Range | Approximate Current Sensitivity (rms sine wave) | |
| 5Hz to 100Hz | 100Hz to 10kHz | |
| 999.9μA | 50μA VFD | 50μA |
| 9999μA | 500μA | 500μA |
| 99.99mA | 5mA VFD | 5mA |
| 400.0mA | 50mA | 50mA |
| 9.999A | 1A VFD | 1A |
|
[1] Maximum input = 10 x range (1000V maximum, 2 x 107 V-Hz product maximum) VFD : Enabled Low Pass filter |
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Hz Logic Level Frequency
| Range | Sensitivity |
| 5Hz to 9999Hz | 3.0Vp square wave |
Input Characteristics
| Function |
Overload Protection |
Input Impedance (nominal) |
Common Mode Rejection Ratio (1 kΩ unbalance) |
Normal Mode Rejection | ||||||
.jpg) |
1000V rms | 10MΩ<100pF | > 120dB at dc, 50Hz or 60Hz | > 60dB at 50Hz or 60Hz | ||||||
.jpg) |
1000V rms |
> 120dB at dc, 50Hz or 60Hz |
> 60dB at 50Hz or 60Hz | |||||||
 |
1000V rms |
10MΩ<100pF (ac-coupled) |
> 60dB, dc to 60Hz | |||||||
|
Open Circuit Test Voltage |
Full Scale Voltage | Typical Short Circuit Current | ||||||||
| To 1MΩ |
>1MΩ or 100nS |
1kΩ | 10kΩ | 100kΩ | 1MΩ | 10MΩ | 50MΩ | |||
.jpg) |
1000V rms | <2.5V dc | <0.21V dc | <2.2V dc | 200μA | 20μA | 2μA | 0.2μA | 0.1μA | 0.1μA |
 |
1000V rms | <2.5V dc | 2.0V dc | 200μA typical | ||||||
General Specifications:
Power Source: Single standard 9-volt battery, NEDA 1604, JIS 006P, IEC 6F22.
Weight: Approx. 470g
Size: 193mm(L)×91mm(W)×53mm(H), (7.6”L×3.6”W×2.1”H)
Accessories : Test leads, Battery, Operating Instructio n
