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Extech EX845 1000A AC/DC True RMS Clamp/DMM with IR Thermometer and Bluetooth MeterLink™
Item #:
EXT-EX845
Brand:
Extech
Share this product:
EX845 1000A AC/DC True RMS Clamp/DMM with IR Thermometer and Bluetooth MeterLink™ by Extech
Compact size allows measurements in tight locations and Built-in non-contact Voltage detector with LED alert. Three models to choose from with True RMS option and advanced multimeter functions.
Features
- Built-in non-contact IR Thermometer design with laser pointer
- METERLiNK Wireless communication with FLIR Thermal Imaging Cameras (b60, i60, B-Series, and T-Series)
- CAT IV safety rating for industrial applications
- True RMS Current and Voltage measurements
- Peak hold captures inrush currents and Transients
- 1.7" (43mm) jaw opening for conductors up to 750MCM or two 500MCM
- 4000 count backlit display
- Autoranging with manual range button
- Data Hold, Min/Max and Auto Power off
- Complete with CAT IV test leads, 9V battery, general purpose Type K probe, pouch case, and Professional Test Lead Set
| Clamp jaw opening | 43mm (1.7") approx. |
| Display | 3-3/4 digits (4000 counts) backlit LCD |
| Continuity check | Threshold 40Ω; Test current < 0.5mA |
| Diode test | Test current of 0.3mA typical; Open circuit voltage < 3VDC typical |
| Low Battery indication | Battery symbol is displayed |
| Over-range indication | 'OL' displayed |
| Measurement rate | 2 readings per second, nominal |
| Bluetooth range | 10 meters (32 feet) approximately |
| PEAK | Captures peaks >1ms |
| Thermocouple sensor | Type K thermocouple required |
| IR Spectral response | 6 to 16µm |
| IR Emissivity | 0.95 fixed |
| IR distance ratio | 8:1 |
| 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. 10 minutes |
| Dimensions & Weight | 270x110x50mm (10.6x4.3x2"); 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 IV 600V and Category III 1000V, Pollution Degree 2. |
| Patent notice | U.S. Patent 7163336 |
Function |
Range & Resolution |
Accuracy (% of reading + digits) |
AC Current
50/60 Hz |
400.0 AAC |
± (2.5% + 8d) |
1000 AAC |
± (2.8% + 5d) |
|
DC Current |
400.0 ADC |
± (2.5% + 5d) |
1000 ADC |
± (2.8% + 5d) |
|
AC Voltage
50/60Hz |
400.0 mVAC |
± (1.0% + 10d) |
4.000 VAC |
± (1.5% + 5d) |
|
40.00 VAC |
||
400.0 VAC |
||
1000 VAC |
± (2.0% + 5d) |
|
DC Voltage |
400.0 mVDC |
± (0.8% + 2d) |
4.000 VDC |
± (1.5% + 2d) |
|
40.00 VDC |
||
400.0 VDC |
||
1000 VDC |
± (2.0% + 2d) |
|
Resistance |
400.0Ω |
± (1.0% + 4d) |
4.000kΩ |
± (1.5% + 2d) |
|
40.000kΩ |
||
400.0kΩ |
||
4.000MΩ |
± (2.5% + 3d) |
|
40.00MΩ |
± (3.5% + 5d) |
|
Capacitance |
4.000nF |
± (5.0% + 30d) |
40.00nF |
± (5.0% + 20d) |
|
400.0nF |
± (3.0% + 5d) |
|
4.000µF |
||
40.00µF |
||
400.0µF |
± (4.0% + 10d) |
|
4.000mF |
± (10% + 10d) |
|
40.00mF |
unspecified |
|
Frequency |
4.000kHz |
± (1.5% + 2d) |
Sensitivity: 100V (<50Hz); 50V (50 to 400Hz); 5V (401Hz to 4000Hz) |
||
Temperature
(type-K) |
-4 to 1400°F |
± (3%rdg + 9°F) |
-20 to 760°C |
± (3%rdg + 5°C) |
|
Temp
(IR) |
58 to -4°F |
± 9°F |
-4 to 518°F |
±2.0% reading or
± 4°F
whichever is > |
|
-50 to -20°C |
±5°C |
|
-20 to 270°C |
±2.0% reading or ±2°C
whichever is > |
|
