SECTION I IDENTIFICATION AND DESCRIPTION

TB 9-5210-208-35

SECTION I

IDENTIFICATION AND DESCRIPTION

1. Test Instrument Identification. This bulletin provides instructions for the

calibration of Vernier Calipers, Type 1, Classes 1, 2, and 3 Digital and Dial Calipers(fig.

1). The GSA Supply Catalog, and manufacturers' catalogs and specifications were used

as the prime data sources in compiling these instructions. The equipment being

calibrated will be referred to as the TI (test instrument) throughout this bulletin.

Figure 1. Caliper, vernier - typical view.

a. Model Variations. Type 1: Caliper, vernier; Class 1: English measure; Class 2:

Metric measure; Class 3: English and metric measure.

b. Time and Technique. The time required for this calibration is approximately 1

hour, using the physical technique.

2. Forms, Records, and Reports

a. Forms, records, and reports required for calibration personnel at all levels are

prescribed by TB 750-25.

b. Adjustments to be reported are designated (R) at the end of the sentence in which

they appear. Report only those adjustments made and designated with (R).