# Fieldpiece HS33 vs Extech EX330: specs and price compared

A sourced, side-by-side comparison of the Fieldpiece HS33 (Fieldpiece) and Extech EX330 (Extech) among multimeters. Extech EX330 is the cheaper of the two at $74.99.

## Side by side

| Spec | Fieldpiece HS33 | Extech EX330 |
| --- | --- | --- |
| US price | $208.25 | $74.99 |
| Brand | Fieldpiece | Extech |
| Type | digital handheld | digital handheld |
| True rms | No | No |
| Max voltage dc (V) | 600 | 600 |
| Count resolution | 2000 | 4000 |
| Auto ranging | No | Yes |
| Cat safety rating | CAT III 600 V | CAT II 1000 V / CAT III 600 V |
| Temperature measurement | Yes | Yes |
| Low impedance loz | No | No |

## Key differences

- Count resolution: Fieldpiece HS33 2000 vs Extech EX330 4000
- Auto ranging: Fieldpiece HS33 No vs Extech EX330 Yes
- Cat safety rating: Fieldpiece HS33 CAT III 600 V vs Extech EX330 CAT II 1000 V / CAT III 600 V

## Sources

- Fieldpiece HS33: https://trutechtools.com/HS33 (trutechtools.com, verified 2026-06-20)
- Extech EX330: https://www.extech.com/products/EX330 (extech.com, verified 2026-06-20)

Canonical: https://frontdeskreview.com/gear/multimeters/fieldpiece-hs33-vs-extech-ex330/
Cite: Per The Front Desk Review, Fieldpiece HS33 ($208.25) vs Extech EX330 ($74.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/multimeters/fieldpiece-hs33-vs-extech-ex330/
License: CC BY 4.0.