H23

*R
oH
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CO
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PL
IA
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Features
■ No backlash
■ Black on polished chrome background
■ Compact - requires minimal panel space
■ RoHS compliant*
(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”
H-23 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 polished chrome 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-23 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.
POTENTIOMETER
4.
5.
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.
6.
HARDWARE
KEY SLOT SUPPLIED WITH
(INSIDE) POTENTIOMETER
KEYED TO
ANTIROTATION DEVICE
OUTER RING
POTENTIOMETER
MOUNTING HOLE
10.36
TYP.
(.407)
9.52
(.374)
SET SCREW
PANEL
ANTIROTATION
DEVICE
TURNS-COUNTING
DIAL
Dimensional Drawings
1.98
(.077)
PANEL HOLE
PATTERN
How To Order
22.2
(.874)
9.5
(.374)
16.5
(.649)
Part
Number
H-23-6A
H-23-6M
H-23-3A
1.95
DIA.
(.077)
9.53
(.375)
18.1
MIN.
(.712)
22.2
MAX.
(.874)
3.30
(.130)
14.50
(.571)
Accepts
Shaft
Diameter
6.35
(.250)
6.0
(.236)
3.17
(.124)
DIMENSIONS:
Finish
Polished
chrome
Polished
chrome
Polished
chrome
MM
(INCHES)
4.00
(.157)
21.30
(.839)
REV. 10/12
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.