# Starrett 798A-6/150 vs Fowler 54-100-777: specs and price compared

A sourced, side-by-side comparison of the Starrett 798A-6/150 (Starrett) and Fowler 54-100-777 (Fowler) among digital calipers. Fowler 54-100-777 is the cheaper of the two at $130.25.

## Side by side

| Spec | Starrett 798A-6/150 | Fowler 54-100-777 |
| --- | --- | --- |
| US price | $341 | $130.25 |
| Brand | Starrett | Fowler |
| Measuring range (in) | 0-6 in / 0-150 mm | 0-6 in / 0-150 mm |
| Resolution (in) | 0.0005 in / 0.01 mm | 0.0005 in / 0.01 mm |
| Accuracy (in) | ±0.001 in (0-6 in); ±0.02 mm (0-100 mm); ±0.03 mm (>100-150 mm) | ±0.001 in / ±0.02 mm |
| Display type | LCD, induction-type linear encoder | LCD, absolute ceramic capacitive scale (ABS/incremental) |
| Material | Hardened stainless steel frame, plastic case | Stainless steel frame |
| IP rating | IP67 | IP54 |
| Data output | None (798A = without output; the 798B-6/150 variant adds RS232/SPC output) | — |
| Battery type | 3V lithium button cell, >1 year typical use; auto-off after 30 min | CR2032, 3V |

## Key differences

- Accuracy (in): Starrett 798A-6/150 ±0.001 in (0-6 in); ±0.02 mm (0-100 mm); ±0.03 mm (>100-150 mm) vs Fowler 54-100-777 ±0.001 in / ±0.02 mm
- Display type: Starrett 798A-6/150 LCD, induction-type linear encoder vs Fowler 54-100-777 LCD, absolute ceramic capacitive scale (ABS/incremental)
- Material: Starrett 798A-6/150 Hardened stainless steel frame, plastic case vs Fowler 54-100-777 Stainless steel frame
- IP rating: Starrett 798A-6/150 IP67 vs Fowler 54-100-777 IP54
- Battery type: Starrett 798A-6/150 3V lithium button cell, >1 year typical use; auto-off after 30 min vs Fowler 54-100-777 CR2032, 3V

## Sources

- Starrett 798A-6/150: https://www.globaltestsupply.com/product/starrett-798a-6-150-electronic-caliper-0-150mm (globaltestsupply.com, verified 2026-08-01)
- Fowler 54-100-777: https://www.kbctools.com/itemdetail/54-100-777 (kbctools.com, verified 2026-08-01)

Canonical: https://frontdeskreview.com/gear/digital-calipers/starrett-798a-6-150-vs-fowler-54-100-777/
Cite: Per The Front Desk Review, Starrett 798A-6/150 ($341) vs Fowler 54-100-777 ($130.25) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/digital-calipers/starrett-798a-6-150-vs-fowler-54-100-777/
License: CC BY 4.0.