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Dial Test Indicators 3808, 3809, 3908 & 3909 Series

Dial Test Indicators 3808, 3809, 3908 & 3909 Series

Product catalog summary

Overview: The document provides detailed specifications and features of the Dial Test Indicators from the 3808, 3809, 3908, and 3909 series. These indicators are available in both inch and metric readings and come with various accessories.

Specifications:

Dial Sizes: 3808 and 3809 models have a 1-1/4" (32mm) dial face, while 3908 and 3909 models have a larger 1-9/16" (40mm) dial face.
Graduation/Range/Reading Configurations: Available in two configurations for both inch and metric readings.
Inch Reading Indicators:
- Graduation of .0001" with a range of .008" and a dial reading of 0-4-0.
- Graduation of .0005" with a range of .030" and a dial reading of 0-15-0.
Metric Reading Indicators:
- Graduation of 0.002mm with a range of 0.2mm and a dial reading of 0-100-0.
- Graduation of 0.01mm with a range of 0.8mm and a dial reading of 0-40-0.

Accessories: Indicators come with two dovetail clamps and a case. Additional accessories include contact points, swivel post holder, tool post holder, and contact wrench.

Features:

Three dovetail positioning mounts compatible with most test indicator accessories.
Precision gear-driven design with smooth, jeweled movement.
Automatic contact point reversal maintaining clockwise hand rotation.
Frictionally adjustable contacts.
Compliance with ANSI/ASME accuracy specifications.
High contrast, easy-to-read dials with a white background for inch readings and yellow for metric readings.
Satin chrome finish.

Contact Information: For more details, contact 978-249-3551 or visit starrett.com. Specifications are subject to change as per Bulletin No. 449.

Catalog excerpts

Dial Test Indicators 3808, 3809, 3908 & 3909 Series-1

Dial Test Indicators These dial test indicators are offered with choices of dial size, range and include accessories. All 3808 and 3809 models have 1-1/4" (32mm) dial faces while 3908 and 3909 models offer a larger 1-9/16" (40mm) dial face. Each inch reading and metric reading 3808, 3809, 3908 and 3909 is offered with a choice of two Graduation/Range/Reading configurations. Features & Specifications • Three dovetail positioning mounts work with most existing test indicator accessories • Precision gear-driven design with smooth, jeweled movement • Contact point reverses automatically, always maintaining clockwise hand rotation • Frictionally adjustable contacts • Meets or exceeds ANSI/ASME accuracy specifications • High contrast, easy-to-read dials with white background for inch and yellow for metric • Satin chrome finish 3808, 3809, 3908 & 3909 Inch Reading Indicators Dial Dial Grad Range Description Reading Diameter Indicator, two dovetail clamps, case* 1-1/4" Indicator with accessories, case** .0001" .008" 0-4-0 Indicator, two dovetail clamps, case* 1-9/16" Indicator with accessories, case** Indicator, two dovetail clamps, case* 1-1/4" Indicator with accessories, case** .0005" .030" 0-15-0 Indicator, two dovetail clamps, case* 1-9/16" Indicator with accessories, case** AC & MAC indicators include two contact points, two dovetail clamps, swivel post holder, tool post holder, contact wrench and case * Indicator, .156" contact point, 3/8" & 5/32" dovetail clamps & case ** Indicator, .078" & .156" contact points, 3/8" & 5/32" dovetail clamps, .156" swivel post holder, tool post holder, contact wrench & case 3808, 3809, 3908 & 3909 Metric Reading Indicators Dial Dial Grad Range Description Reading Diameter Indicator, two dovetail clamps, case* 32mm Indicator with accessories, case** 0.002mm 0.2mm 0-100-0 Indicator, two dovetail clamps, case* 40mm Indicator with accessories, case** Indicator, two dovetail clamps, case* 32mm Indicator with accessories, case** 0.01mm 0.8mm 0-40-0 Indicator, two dovetail clamps, case* 40mm Indicator with accessories, case** A & MA indicators include two dovetail clamps and case * Indicator, 4mm contact point, 9.5mm & 4mm dovetail clamps & case ** Indicator, 2mm & 4mm contact points, 9.5mm & 4mm dovetail clamps, 4mm swivel post holder, tool post holder, contact wrench & case Specifications subject to change.

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