# Category IV True RMS clamp meter features built-in IR thermometer with laser pointer for non-contact surface measurements from -58 to 518?F (-50 to 270?C). Clamp-on measures AC current up to 1000-Amp with a maximum resolution of 0.1-Amp. The 1.7 in. jaw fits around conductors up to 750MCM. Peak hold captures motor inrush currents and other surges. Data hold and auto power off. Other functions include AC/DC-Voltage, resistance, Type K thermometer, capacitance and frequency. Complete with test leads, Type K temperature probe, 9-Volt battery and case.

**Manufacturer:** Extech Instruments  
**MPN:** `EX840`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Extech Instruments |
| Manufacturer name | Extech Instruments |
| Manufacturer | Extech Instruments |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Home Depot | 203525768 | 259.99 | 1 | None | 1 |
| Onlinecomponents.com | EX840 | 259.99 | 1 | None | 1 |
| jensentools.com | 43447.1 | 287.99 | 1 | None | 1 |
| Grainger | 4GGD9 |  |  | None | 1 |
| Zoro | G3202622 | 286.89 | 1 | 12 | 1 |
| Radwell | EX840 |  |  | None | 1 |
| TME | EX840 |  |  | None | 1 |
| Platt.com | 0842288 | 283.99 | 1 | None | 1 |
| Megadepot | EX840 | 287.99 | 1 | None | 1 |
| Cole-Parmer | 2683426 |  |  | None | 1 |
| Transcat | EX840 | 283.99 | 1 | None | 1 |
| Raptor Supplies | AD7TQD | 508.4054235 | 1 | None | 1 |
| TME | EX840-PROMO |  |  | None | 1 |
| Newark | 69R7454 | 287.99 | 1 | None | 1 |
| bscsource.com | EX840 | 391.19 | 1 | None | 1 |
| Allied Electronics | 70117542 |  |  | None | 1 |
| National Supply Network | B1410597 |  |  | None | 1 |
| Guardian | 78603834 |  |  | None | 1 |
| simsupply.com | CU-3447474439 | 355.94 | 1 | 6 | 1 |
| Crescent Electric Supply Co | EX840 |  |  | None | 1 |
| steinerelectric.com | PDW~12104425 | 269.99 | 1 | None | 1 |
| usmegastore.com | EX840 | 287.99 | 1 | None | 1 |
| Global Industrial | WBB1410597 | 289.95 | 1 | None | 1 |
| grainger.ca | EXTEX840 |  |  | None | 1 |
| simsupply.com | ZO-G3202622 | 329.52 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/180000000/180249500/part_--EX840---ExtechInstruments--ac1497f6b0.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp