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Extech EX623 400A Dual Input AC/DC Clamp Meter + NCV + IR Thermometer
Item #:
EXT-EX623
Brand:
Extech
Share this product:
EX623 400A Dual Input AC/DC Clamp Meter + NCV + IR Thermometer by Extech
Features
- True RMS measurements for accurate AC Voltage and Current measurements
- Dual type K thermocouple input with Differential Temperature function (T1, T2, T1-T2)
- Built-in non-contact Voltage detector with LED alert
- DC µA multimeter function for HVAC flame rod Current measurements
- Data Hold plus fast Peak Hold of current surges during motor startup
- 40,000 count multimeter functions for DC Voltage, Resistance, Capacitance, and Frequency for high resolution over wider ranges
- Measures motor capacitors to 40,000µF
- 1.25" (32mm) jaw opening for conductors up to 500MCM
- Rugged double molded housing
- Auto power off with audible alert and disable function
- Autoranging with manual override
- Complete with CAT III-600V, double molded test leads, 9V battery, two general purpose Type K bead wire probes and case
- Built-in non-contact IR Thermometer with laser pointer for locating hot spots
- 8 to 1 distance to target ratio
| Clamp jaw opening | 32mm (1.25") approx. |
| Display | Dual 40,000/4,000 count backlit LCD |
| Non-Contact Voltage | 100 to 600VAC |
| Continuity check | Threshold 50Ω; Test current < 0.5mA |
| Diode test | Test current of 0.3mA typical; Open circuit voltage [ 2.8VDC typical |
| Low Battery indication | Battery symbol is displayed |
| Over-range indication | 'OL' display |
| Measurement rate | 2 readings per second, nominal |
| Peak detector | >1ms |
| Thermocouple sensor | Type K thermocouple required |
| Fuse | 200mA/660V, ceramic, 5x20mm |
| IR Spectral response | 6 to 16µm |
| IR Emissivity | 0.95 fixed |
| IR distance ratio | 8:1 |
| Laser pointer | Class 2 laser < 1mW power; Wavelength is 630 to 670nm |
| Input Impedance | 10MΩ (VDC and VAC) |
| AC bandwidth | 50 to 400Hz (AAC and VAC) |
| AC response | True rms (AAC and VAC) |
| Crest Factor | 3.0 in 40A and 400A ranges, 1.4 in 1000A range (50/60Hz and 5% to 100% of range) |
| Operating Temperature | 5°C to 40°C (41°F to 104°F) |
| Storage Temperature | -20°C to 60°C (-4°F to 140°F) |
| Operating Humidity | Max 80% up to 31°C (87°F) decreasing linearly to 50% at 40°C (104°F) |
| Storage Humidity | <80% |
| Operating Altitude | 2000meters (7000ft) maximum. |
| Battery | One (1) 9V Battery (NEDA 1604) |
| Auto power OFF | After approx. 30 minutes, with disable |
| Dimensions & Weight | 241x96x44.5mm (9.5x3.8x1.75"); 386g (13.6 oz) |
| Safety | For indoor use and in accordance with the requirements for double insulation to IEC1010-1 (2001): EN61010-1 (2001) Overvoltage Category III 600V and Category II 1000V, Pollution Degree 2. |
| Approvals | CE |
| Patent notice | U.S. Patent 7163336 |
Function |
Range |
Resolution |
Accuracy
(% of reading + digits) |
AC Current 50/60 Hz True RMS |
400.0 AAC |
0.1A |
±(1.5% + 5 digits) |
40.00 AAC |
0.01A |
||
DC Current |
400.0 ADC |
0.1A |
±(1.5% + 5 digits) |
40.00 ADC |
0.01A |
||
AC/DCµA Current |
400.00µA |
0.01µA |
DC: ±(1.0% + 2 digits) AC: ±(1.5% + 2 digits) |
4000.0µA |
0.1µA |
||
AC Voltage 50/60 Hz True RMS |
400.0 mVAC |
0.1mV |
±(1.0% + 20 digits) |
4.000 VAC |
0.001V |
±(2.0% + 5 digits) |
|
40.00 VAC |
0.01V |
||
400.0 VAC |
0.1V |
||
600 VAC |
1V |
||
DC Voltage |
400.00 mVDC |
0.01mV |
±(0.1% + 6 digits) |
4.0000 VDC |
0.0001V |
||
40.000 VDC |
0.001V |
||
400.00 VDC |
0.01V |
||
600.0 VDC |
0.1V |
±(1.0% + 2 digits) |
|
Resistance |
400.00Ω |
0.01Ω |
±(0.8% + 20 digits) |
4.0000kΩ |
0.0001kΩ |
±(0.8% + 4 digits) |
|
40.000kΩ |
0.001kΩ |
||
400.00kΩ |
0.01kΩ |
||
4.0000MΩ |
0.0001MΩ |
||
40.000MΩ |
0.001MΩ |
±(2.5% + 10 digits) |
|
Capacitance |
400.00nF |
0.01nF |
±(5.0% + 40 digits) |
4000.0nF |
0.1nF |
±(3.0% + 10 digits) |
|
00.00µF |
0.01µF |
±(3.5% + 10 digits) |
|
4000.0µF |
0.1µF |
±(5.0% + 10 digits) |
|
40.000mF |
0.001mF |
||
Frequency (clamp) |
400.00Hz |
0.01Hz |
±(1.0% + 3 digits) |
Sensitivity: 5Arms minimum |
|||
Frequency (test leads) |
40.000Hz |
0.001Hz |
±(0.3% + 3 digits) |
400.00Hz |
0.01Hz |
±(0.3% + 2 digits) |
|
4000.0Hz |
0.1Hz |
||
40.000kHz |
0.001kHz |
||
400.00kHz |
0.01kHz |
||
4000.0kHz |
0.1kHz |
||
40.000MHz |
0.001MHz |
||
100.00MHz |
0.01MHz |
Not specified |
|
Sensitivity: 5 to 5kHz; 0.8Vrms min., 5kHz to 150kHz; 5Vrms min |
|||
Duty Cycle |
0.5% to 99.0% |
0.1% |
±(1.2% + 2 digits) |
Pulse width: 100µs to 100ms, Frequency: 5Hz to 150kHz |
|||
Temperature Type K |
-58 to -4°F -50 to -19°C |
0.1° <1000° 1° >1000° |
± 7°C/13°F |
-4 to 31°F -20 to -1°C |
±(1.0% + 1°C/2°F) |
||
32°F 0°C |
±1°C/2°F |
||
33 to 211°F 1 to 100°C |
±(1.0% + 1°C/2°F) |
||
212 to 718°F 101 to 399°C |
±(1.5% + 2°C/3°F) |
||
719 to 1832°F 400 to 1000°C |
±(2.5% + 4°C/7°F) |
||
Specification does not include probe accuracy |
|||
Temperature IR |
-58 to -4°F -50 to -20°C |
0.1° |
± 5°C/9°F |
-4 to 31°F -20 to -1°C |
±2% of reading or ±2°C/4°F
whichever is greater |
||
32°F 0°C |
±1°C/2°F |
||
33 to 518°F 1 to 270°C |
±2% of reading or ±2°C/3°F
whichever is greater |
||
