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Extech EX540 12 Function Wireless True RMS Industrial MultiMeter/Datalogger with NIST
Item #:
EXT-EX540-NIST
Brand:
Extech
Share this product:
EX540 12 Function Wireless True RMS Industrial MultiMeter/Datalogger with NIST by Extech
Features
- Real time datalogging or wireless data transmission directly to your PC (30ft/10m)
- True RMS measurements for accurate AC Voltage and Current measurements
- Diode open circuit voltage of 2.8V DC
- Double molded construction for waterproof (IP67) protection
- CAT IV-600V safety rating for industrial applications
- 1000V input protection on all functions
- Dual sensitivity frequency functions
- Backlit triple LCD display includes two sub-displays for simultaneous indication of frequency with voltage and memory data/location information
- Auto power off with disable feature
- Complete with double molded test leads, magnetic hanging strap, Type K bead wire temperature probe, remote receiver with USB cable, Windows® compatible software, 9V battery and hard carrying case
| Enclosure | Double molded, Waterproof (IP64) |
| Shock (Drop Test) | 2 meters (6.5 feet) |
| Diode Test | Test current of 0.9mA maximum, open circuit voltage 2.8V DC typical |
| RF transmit distance | 10 meters (approx) |
| Transmitter Frequency | 915MHz |
| Continuity Check | Audible signal will sound if the resistance is less than 35Ω (approx.), test current <0.35mA |
| PEAK | Captures peaks >1ms |
| Temperature Sensor | Requires type K thermocouple |
| Input Impedance | >10MΩ VDC & >9MΩ VAC |
| AC Response | True rms |
| ACV Bandwidth | 50Hz to 1000Hz |
| Crest Factor | ≤3 at full scale up to 500V, decreasing linearly to ≤1.5 at 1000V |
| Display | 40,000 count backlit liquid crystal display with bargraph |
| Overrange indication | "OL" is displayed |
| Auto Power Off | 15 minutes (approximately) with disable feature |
| Polarity | Automatic (no indication for positive); Minus (-) sign for negative |
| Measurement Rate | 2 times per second, nominal |
| Low Battery Indication | Battery symbol is displayed if battery voltage drops below operating voltage |
| Battery | One 9 volt (NEDA 1604) battery |
| Fuses | mA, µA ranges; 0.5A/1000V ceramic fast blow A range; 10A/1000V ceramic fast blow |
| 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 | 2000 meters (7000 ft) maximum |
| Weight | 342 g (0.753 lb) (includes holster) |
| Size | 187 x 81 x 50 mm (7.36" x 3.2" x 2.0") (includes holster) |
| Safety | This meter is intended for origin of installation use and protected, against the users, by double insulation per EN61010-1 and IEC61010-1 2nd Edition (2001) to Category IV 600V and Category III 1000V; Pollution Degree 2. |
Function |
Range |
Resolution |
Accuracy |
DC Voltage |
400 mV |
0.01 mV |
±(0.06% reading + 2 digits) |
4V |
0.0001V |
||
40V |
0.001V |
||
400V |
0.01V |
||
1000V |
0.1V |
±(0.1% reading + 2 digits) |
|
AC Voltage (AC+DC) 50 to 1000Hz |
400 mV |
0.01 mV |
±(1.0% reading + 4digits) |
±(1.0% reading + 3digits) |
|||
4 V |
0.0001V |
||
40 V |
0.001V |
||
400 V |
0.01V |
||
1000 V |
0.1V |
||
All AC voltage ranges are specified from 5% of range to 100% of range |
|||
DC Current |
400μA |
0.01 μA |
±(1.0% reading + 3 digits) |
4000μA |
0.1 μA |
||
40mA |
0.001 mA |
||
400mA |
0.01 mA |
||
10A |
0.001A |
||
(20 A: 30 sec max with reduced accuracy) |
|||
AC Current (AC+DC) 50 to 1000Hz |
400μA |
0.01 μA |
±(1.5% reading + 3 digits) |
4000μA |
0.1 μA |
||
40mA |
0.001 mA |
||
400mA |
0.01 mA |
||
10A |
0.001A |
||
(20A: 30 sec max with reduced accuracy) |
|||
All AC voltage ranges are specified from 5% of range to 100% of range |
|||
Resistance |
400Ω |
0.01Ω |
±(0.3% reading + 9 digits) |
4 kΩ |
0.0001 kΩ |
±(0.3% reading + 4 digits) |
|
40 kΩ |
0.001 kΩ |
||
400 kΩ |
0.01 kΩ |
||
4 MΩ |
0.001 MΩ |
||
40 MΩ |
0.001 MΩ |
±(2.0% reading + 10 digits) |
|
Capacitance |
40 nF |
0.001 nF |
±(3.5% reading + 40 digits) |
400 nF |
0.01 nF |
||
4 µF |
0.0001 µF |
±(3.5% reading + 10 digits) |
|
40 µF |
0.001 µF |
||
400 µF |
0.01 µF |
||
4000 µF |
0.1 µF |
±(5% reading + 10 digits) |
|
40mF |
0.001mF |
||
Frequency (electronic) |
40 Hz |
0.001 Hz |
±(0.1% reading + 1 digits) |
400 Hz |
0.01 Hz |
||
4 kHz |
0.0001 kHz |
||
40 kHz |
0.001 kHz |
||
400 kHz |
0.01 kHz |
||
4 MHz |
0.0001 MHz |
||
40 MHz |
0.001 MHz |
||
100MHz |
0.01MHz |
Not specified |
|
Sensitivity: 0.8V rms min. @ 20% to 80% duty cycle and <100kHz; 5Vrms min @ 20% to 80% duty cycle and > 100kHz. |
|||
Frequency (electrical) |
40.00HZ-4KHz |
0.01HZ to 0.001KHz |
±(0.5% reading) |
Sensitivity:5Vrms |
|||
Duty Cycle |
0.1 to 99.90% |
0.01% |
±(1.2% reading + 2 digits) |
Pulse width: 100 µs – 100 ms, Frequency: 5 Hz to 150 kHz |
|||
Temperature (type-K) |
-50 to 1382°F |
1°F |
±(1.0% reading + 4.5°F) ±(1.0% reading + 2.5°C) (probe accuracy not included) |
-45 to 750°C |
1°C |
||
4-20mA% |
-25 to 125% |
0.01% |
±50 digits |
0mA=-25%, 4mA=0%, 20mA=100%, 24mA=125% |
|||
