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参数资料
| 型号： | H-22-3A |
| 厂商： | Bourns Inc. |
| 文件页数： | 1/1页 |
| 文件大小： | 0K |
| 描述： | DIAL SCALE 15 TURN CONCENTRIC |
| 标准包装： | 10 |
| 系列： | H-22 |
| 轴尺寸： | 0.125"（3.18mm） |
| 匝数： | 15 |
| 材质： | 金属 |
Features
■ No backlash
■ Compact - requires minimal panel
space (22.2 mm diameter
requirement)
■ For use with precision
potentiometers or other rotating
devices, up to 15 turns
■ Designed for metal shaft
■ High Force “Click Brake”
■ Available in three versions -
black on satin chrome background,
white on black background or
satin body/black dial
■ RoHS compliant*
H-22 Turns-Counting Dial
Mechanical and Physical Characteristics
Number of Turns .............................................................................................................................................................................0 to 15
Dial Divisions ............................................................................................................................................................................ 50 per turn
Readability - Over 10 Turns ............................................................................................................................................... 2 parts in 1000
Torque With Brake Engaged ...................................................................................................................6.95 oz-in. (500 g-cm) minimum
Markings ........................................................................................... Black on satin chrome background or white on black background
Locking Brake ...................................................................................................................................................................................... Yes
Weight ......................................................................................................................................................................... 15 grams (0.53 oz.)
Set Screw ......................................................................................................................................................... UNC N2-56, one included
Set Screw Tightening Torque .............................................................................................................. 16.94 N-cm (1.5 lbs.-in.) minimum
Hex Key Size ........................................................................................................................................................................... 0.05 in. hex
Shaft and Bushing Requirements
Shaft Diameter Requirements ................................................................................................................................... Refer to chart below
Shaft Extension Beyond Panel ................................................................................................................... 18.1 mm (0.712 in.) minimum
22.2 mm (0.875 in.) maximum
Bushing Extension Beyond Panel .............................................................................................................. 9.53 mm (0.375 in.) maximum
H-22 MOUNTING INSTRUCTIONS
1. Insert potentiometer in panel.
2. Install anti-rotation device using hardware supplied with
potentiometer.
3. Turn potentiometer shaft counterclockwise to minimum
resistance or voltage ratio.
4.
5.
6.
Set the dial to “0.0” and brake on.
Insert the dial on the potentiometer shaft lightly against the
panel.
Tighten set screw to potentiometer shaft.
POTENTIOMETER
HARDWARE
KEY SLOT SUPPLIED WITH
KEYED TO
ANTIROTATION DEVICE
POTENTIOMETER
MOUNTING HOLE
(INSIDE) POTENTIOMETER
OUTER RING
9.52
(.374)
10.36
(.407)
TYP.
SET SCREW
PANEL
1.98
Dimensional Drawings
ANTIROTATION
DEVICE
TURNS-COUNTING
DIAL
(.077)
PANEL HOLE
PATTERN
How To Order
Accepts
Part
Shaft
9.5
(.374)
22.2
(.874)
16.5
(.649)
Number
H-22-6A
H-22-6M
H-22-3A
Diameter
6.35
(.250)
6.0
(.236)
3.17
Finish
Satin
chrome
Satin
chrome
Satin
(.124)
chrome
9.53
(.375)
18.1
MIN.
(.712)
22.2
MAX.
(.874)
1.95
DIA.
(.077)
3.30
(.130)
4.00
(.157)
14.50
(.571)
21.30
(.839)
H-22-6A-B 6.35 All black
(.250)
H-22-6A-SB 6.35 Satin body/
(.250) black dial
MM
DIMENSIONS:
(INCHES)
REV. 10/12
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Speci?cations are subject to change without notice.
Customers should verify actual device performance in their speci?c applications.
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