Technical Data:
Product type: Tubular Inside Micrometer, Extension-Rod Type
Measurement: Inside dimension
Reference setting: Reference gage required
Optional reference-setting methods: Gage Block Accessory Set, CERA Inside Micro Checker, or setting ring up to nominal 12 in
Family construction: Micrometer head combined with extension rods and anvils

Technical Data:
Accuracy formula, inch models: +/-{0.00015 + 0.00005n + 0.00005L/2} in
L=Maximum measuring length in inches
n=Number of rods
Fraction rounded up

Technical Data:
Accuracy formula, metric models: +/-(3+n+L/50) um
L=Maximum measuring length in mm
n=Number of rods
Fraction rounded up
Quantizing error excluded

Technical Data:
Series: 337
Display: Digimatic
Protection: IP65
Measuring faces: Carbide-tipped
Power source: 1 x SR44 battery, 938882 included as standard for operational checks
Battery life: Approx. 1.2 years under normal use

Functions:
Zero-setting
Origin restoration
Data hold
2-point preset
Function lock
Automatic power ON/OFF
Error alarm
Data output

Optional:
264-020 USB Input Tool IT-020U
05CZA662 Connecting Cable, 1 m
05CZA663 Connecting Cable, 2 m
06AFM380B USB Input Tool Direct, 2 m
264-620 Transmitter, IP67
264-624 Transmitter, IP67 Bluetooth
264-621 Transmitter, Buzzer
264-625 Transmitter, Buzzer Bluetooth
02AZD790B Connecting Cable
02AZE140B Connecting Cable, foot-switch compatible
Connector type: B
Measuring range: 8 - 40 in
Resolution: 0.0001 in / 0.001 mm
Micrometer head stroke: 1 in
Extension rod quantity: 6
Display unit range: 8 - 9 in

Content:
Extension rods:
1 in
2 in
4 in (2 pcs.)
8 in
12 in