# Digital Multimeter, 1000 Max. AC Volts, 1000 Max. DC Volts, 20 Max. AC Amps, 20A Max. DC Amps

**Manufacturer:** Extech  
**MPN:** `EX540-NIST`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Extech |
| Manufacturer name | Extech |
| Manufacturer | Extech |
| DimensionUnit | inch |
| GraingerSku | 4CWR2 |
| Extra Product Name | Digital Multimeter, 1000 Max. AC Volts, 1000 Max. DC Volts, 20 Max. AC Amps, 20A Max. DC Amps |
| WeightUnit | lbs |
| countryOfOrigin | China |
| extendedLead | 15 |
| extendedQty | -2 |
| moq | 1 |
| MPN | EX540-NIST |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | G7969787 |
| tierMinQty1 | 1 |
| tierPrice1 | 374.99 |
| url | https://www.zoro.com/extech-digital-multimeter-1000v-20a-40-mohms-ex540-nist/i/G7969787/ |
| Promotion Restriction | Not eligible for promotion |
| Multimeter Style | Full Size |
| Item | Digital Multimeter |
| Instrument Counts | 40,000 |
| Basic DC Accuracy | +/-0.06% of Reading + 2 Digits |
| Instrument Safety Rating | CAT IV 600V, CAT III 1000V |
| Max AC Volts | 1000 |
| Max DC Volts | 1000 |
| Max AC Amps | 20 |
| Max DC Amps | 20A |
| Audible Continuity | Yes |
| Max Ohms | 40 megohm |
| Special Features | Waterproof to IP67, Data Logging with Wireless PC Interface, 1000V input protection on all inputs, dual sensitivity frequency functions, 2.8V diode open circuit voltage |
| Capacitance Range | 1 pF to 40 mF |
| Data Hold | Yes |
| Data Logging | Yes |
| Instrument Frequency Counter Range | 0.001 Hz to 100 MHz |
| Display | Backlit LCD |
| Bar Graph | Yes |
| Temp Range | -50 Degrees to 1382 Degrees F |
| Series | EXTECH (R) EX540 |
| Standards | CE, CUL, US |
| Auto Power Off | Yes |
| NIST Certification By | FLIR |
| Duty Cycle | 0.10 to 99.90% |
| Auto Ranging | Yes |
| Battery Type | 9V Alkaline |
| Peak Hold | Yes |
| AC Response | TRMS |
| Diode Test | Yes |
| Calibration Certificate Included | Yes |
| Manufacturers Warranty Length | 3 yr. |
| Min /Max Memory | yes |
| Includes | Test Leads, Magnetic Hanging Strap, Type K Bead Temp Probe, Remote Receiver with USB Cable, Software, Carrying Case, Battery, Instructions |
| Interface | Wireless USB |
| Country of Origin (subject to change) | China |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Zoro | G7969787 | 374.99 | 1 | None | 1 |
| Grainger | 4CWR2 |  |  | None | 1 |
| Radwell | EX540-NIST |  |  | None | 1 |
| Global Industrial | WBB1641906 |  |  | None | 1 |
| All-Spec | EX540-NIST-18204 | 374.99 | 1 | None | 1 |
| Galco | EX540-NIST |  |  | None | 1 |
| Megadepot | EX540-NIST | 392.2 | 1 | None | 1 |
| Newark | 51R1926 |  |  | None | 1 |
| Allied Electronics | 70555986 |  |  | None | 1 |
| Arrow | EX540-NIST | 374.99 | 1 | None | 1 |
| motionindustries.com | 04816699 |  |  | None | 1 |
| Platt.com | 1298031 |  |  | None | 1 |
| industrialstores.com | EX540-NIST | 381.77 | 1 | None | 1 |
| us.rs-online.com | 70555986 | 423.49 | 1 | None | 1 |
| valuetesters.com | QVT-2009090612212543772 |  |  | None | 1 |
| globaltestsupply.com | EX540-NIST |  |  | None | 1 |

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