# Klein Tools MM600 vs Fieldpiece HS33: specs and price compared

A sourced, side-by-side comparison of the Klein Tools MM600 (Klein Tools) and Fieldpiece HS33 (Fieldpiece) among multimeters. Klein Tools MM600 is the cheaper of the two at $86.49.

## Side by side

| Spec | Klein Tools MM600 | Fieldpiece HS33 |
| --- | --- | --- |
| US price | $86.49 | $208.25 |
| Brand | Klein Tools | Fieldpiece |
| Type | digital handheld | digital handheld |
| True rms | No | No |
| Max voltage dc (V) | 1000 | 600 |
| Count resolution | 4000 | 2000 |
| Auto ranging | Yes | No |
| Cat safety rating | CAT IV 600 V / CAT III 1000 V | CAT III 600 V |
| Temperature measurement | Yes | Yes |
| Low impedance loz | No | No |

## Key differences

- Max voltage dc (V): Klein Tools MM600 1000 vs Fieldpiece HS33 600
- Count resolution: Klein Tools MM600 4000 vs Fieldpiece HS33 2000
- Auto ranging: Klein Tools MM600 Yes vs Fieldpiece HS33 No
- Cat safety rating: Klein Tools MM600 CAT IV 600 V / CAT III 1000 V vs Fieldpiece HS33 CAT III 600 V

## Sources

- Klein Tools MM600: https://www.kleintools.com/catalog/multimeters/digital-multimeter-auto-ranging-1000v (kleintools.com, verified 2026-06-20)
- Fieldpiece HS33: https://trutechtools.com/HS33 (trutechtools.com, verified 2026-06-20)

Canonical: https://frontdeskreview.com/gear/multimeters/klein-tools-mm600-vs-fieldpiece-hs33/
Cite: Per The Front Desk Review, Klein Tools MM600 ($86.49) vs Fieldpiece HS33 ($208.25) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/multimeters/klein-tools-mm600-vs-fieldpiece-hs33/
License: CC BY 4.0.