Key Features
• DCV, ACV, DCA, ACA, OHM, Diode check, Audible continuity, Capacitor, Temperature and Frequency tests
• TRUE RMS measurement for non-linear load measurement
• Harmonics ratio for power quality of sine wave.
• The % scale readout for 4-20mA and 0-20mA measurement
• The themocouple types can be selected for K and J.
• Min/Max/Average, Data Hold with Manual or auto Trigger and Relative modes
• SCAN temperature measurement for T1,T2 and △T
• Backlit display for easy reading in the dark.
• Bi-directional optic computer interface with SCPI commands
• Safe, precision and speed closed case calibration
• 10,000 count precision True-RMS digital multi-meter and designed to meet EN/IEC 61010 CAT.III 600V/ CAT.II 1000V standard
Spec
■ ELECTRICAL SPECIFICATIONS:
Acceracy is given as ±(% of reading + counts of least significant digit) at 23°C ±5°C, with
relative humidity Less than 80% R.H. ACV and AC μA/ mA/ A specifications are ac coupled.
ture R.M.S. and are valid from 5 % of range to 100 % of range. The crest factor may be up to
3.0 at full-scale except the 1000 V ranges where it is 1.5 at full scale. For non-sinusoidal
waveforms, add (2% reading + 2% full scale) typical, for crest factors up to 3
□ DC Voltage
Range | Resolution | Accuracy | Input Impedance | Overload Protection |
999.9mV | 0.1mV | 0.09%+5 | 11.11MΩ | 1000V R.M.S |
9.999V | 0.001V | 0.09%+2 | 10.01MΩ | |
99.99V | 0.01V | 10.01MΩ | ||
999.9V | 0.1V | 0.2%+5 | 10.00MΩ |
□ AC Voltage
Range | Resolution | Accuracy | ||
40~500Hz | 500~1KHz | 1KHz ~ 2KHz | ||
999.9mV | 0.1mV | 2.5%+5(40~200Hz) | No. SPEC | No. SPEC |
9.999V | 0.001V | 1%+5 | 1.5%+5 | 2%+5 |
99.99V | 0.01V | 1.5%+5 | ||
999.9V | 0.1v | 1.5%+5°N3 | No. SPEC |
Notes:
1. Overload Protection: 1000V R.M.S.
2. Input Impedance: 10MΩ (norminal) in parallel with <100pF
3. For signal less than 10% range, additional 5 counts to specify accuracy.
□ HARMONICS RATIO
Ratio Range | 0.0%~99.9% |
Voltage | 100mV~1000VAC @40~500Hz |
Harmonics Ratio function generates a value from 0% to 100% to indicate the deviation
between non-sinusoidal and a sinusoidal waveform, which is a good indication of the pressence
of harmonics. Pure sinusoidal waveforms without hamonics have a Hamonics Ratio of 0%
The higher Harmonics Ratio, the more hamonics are present
□ CAPACITANCE
Range | Resolution | Accuracy | Overload Protection |
9.999μF | 0.001μF | 2%+5 | 600V R.M.S |
99.99μF | 0.01μF | ||
999.9μF | 0.1μF | 3.5%+5 | |
9999μF | 1μF |
□ DIODE CHECK/ AUDIBLE CONTINUITY TEST
Range | Resolution | Accuracy | Test Current | Open Voltage |
Diode | 0.1mV | 0.3% +2 | Approx. 0.46mA | <+3.5V DC |
Notes:
1. Overload protection: 600V R.M.S.
2. Builit-in buzzer sounds when reading is below 50 mV approx. and single
tone for normal forward-biased diode or semiconductor junction as 0.3V≤ Reading ≤0.8V.
□ RESISTANCE
Range | Resolution | Accuracy | Test current | Overload Protection |
999.9Ω | 0.1Ω | 0.03%+3 | 0.46mA | 600V R.M.S |
9.999kΩ | 0.001kΩ | 155μA | ||
99.99kΩ | 0.01kΩ | 15.5μA | ||
999.9kΩ | 0.1kΩ | 1.55μA | ||
9.999MΩ | 0.001MΩ | 0.8%+3 | 141nA | |
99.99MΩ | 0.01MΩ | 1.2%+3 | 141nA |
Notes:
1. Maximum open voltage:<+3.5V
2. Instant Continuity:Built-in buzzer sounds when resistance is less than 10.0Ω
3. The accuracy of 1000Ω and 10kΩ is specified after Relative function,
which is used to substrate the test lead resistance and the themal effect.
4. For the range of 100MΩ the RH is specified for <60%.
□ DC CURRENT
Range | Resolution | Accuracy | Burden Boltage /Shunt | Overload Protection |
999.9μA | 0.1μA | 0.1% +3 | 0.11V(100Ω) | 1A/700V Fast acting Fuse |
9999μA | 1μA | 0.1% +3 | 1.1V(100Ω) | |
99.99mA | 0.01mA | 0.2% +3 | 0.17V(1Ω) | |
400.0mA | 0.1mA | 0.2% +3 | 0.7V(1Ω) | |
999.9mA | 0.1mA | 0.5% +3〉400mA | 2.0V(1Ω) | 10A/600V Fast acting Fuse |
10.00A | 0.01A | 0.5% +3 | 0.2V(0.01Ω) |
□ AC CURRENT
Range | Resolution | Accuracy | Burden Boltage /Shunt | Overload Protection | |
40~500Hz | 0.5~2kHz | ||||
999.9μA | 0.1μA | 1% +5 | 1.5% +5 | 0.11V(100Ω) | 1A/700V Fast acting Fuse |
9999μA | 1μA | 1% +5 | 1.5% +5 | 1.1V(100Ω) | |
99.99mA | 0.01mA | 1% +5 | 1.5% +5 | 0.17V(1Ω) | |
400.0mA | 0.1mA | 1% +5 | 1.5% +5 | 0.7V(1Ω) | |
999.9mA | 0.1mA | 1% +5 | 1.5% +5 | 2.0V(1Ω) | 10A/600V Fast acting Fuse |
10.00A | 0.01A | 1% +5 | 1.5% +5 | 0.2V(0.01Ω) |
□ TEMPERATURE TEST
Thermal Type | Range | Resolution | Accuracy |
K | -40°C ~ 1372°C | 1°C | 0.3% +3°C |
-40°F ~2502°F | 1°F | 0.3% +6°F | |
J | -40°C ~ 1200°C | 1°C | 0.3% +3°C |
-40°F ~ 2192°F | 1°F | 0.3% +6°F |
Notes:
1. The accuracy does not include the tolerance of themocouple probe, and the meter should
be putting on the place will be operating for 1 hour at least.
2. Do not allow the temperature sensor to contact a surface that is eneraized above 33V
RMS or 70V DC. Such voltages will pose a shock hazard.
3. The temperature calculation is acording to the standard of NIST175 and
EN/IEC-60548-1.
□ FREQUENCY
Range | Resolution | Accuracy | Min. Input Freq. |
9.999Hz | 0.001Hz | 0.03% +3 | 1Hz |
99.99Hz | 0.01Hz | ||
999.9Hz | 0.1Hz | ||
9.999KHz | 0.001KHz | ||
99.99KHz | 0.01KHz | ||
999.9KHz | 0.1KHz |
Sensitivity for Voltage Measurement
FREQUENCY SEMSITIVITY | |||
INPUT RANGE | MINIMUM SENSITIVITY (RMS SINEWAVE) | ||
Maximum input for specifled accuracy rafer to AC voltage | 40Hz~5KHz | 20Hz~15KHz(SINEWAVE); 10Hz~20Hz(SQUARE WAVE) | 15K~50KHz |
999.9mV | 0.5V | 0.7V | No.SPEC |
9.999V | 1V | 1.2V | 3V |
99.99V | 10V | 12V | 30V |
999.9V | 90V | 100V | No.SPEC |
Sensitivity for Measurement
Input Range | Sine-wave | SQUARE WAVE |
20Hz~20KHz | 10Hz~20KHz | |
999.9μA | 50μA | 50μA |
9999μA | 500μA | 500μA |
99.99mA | 5mA | 5mA |
400.0/999.9mA | 50mA | 50mA |
10.00A | 0.5A | 0.5A |
Power Supply:
Single standard 9V Battery can use Alkaline or Carbon-zine.
Battery types | ANSI/NEDA | IEC |
Alkaline | 1604A | 6LR61 |
Carbon~zinc | 1604D | 6F22 |
Battery life:
80 hours for DC voltage measurement(approx.) (Based on new alkaline 9V/545mA Battery)
Dimension: 58(H) * 83(W) * 178(L)mm
Ordering Information
Contents
• ESCORT-279 MULTIMETER
• Test leads (a pair)
• User manual
• Battery
• Protective holster
※ 자세한 사항은 'DataSheet'나 'Quick Start Guide'를 참조해 주세요.
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