CPM Potentiometers
Precision Multi-Turn Potentiometers
F E AT U R E S
•ꢀAvailableꢀasꢀ3,ꢀ5,ꢀandꢀ10ꢀturnꢀmodels
•ꢀHybridꢀelement.ꢀHighꢀtempꢀthermoꢀplasticꢀhousing
•ꢀRecommendedꢀforꢀmedicalꢀequipmentꢀ(non-lifeꢀ
support),ꢀtestꢀandꢀlabꢀequipment,ꢀandꢀindustrialꢀ
applications
•ꢀRobustꢀelectricallyꢀinsulatedꢀdesign
•ꢀGreatꢀrotationalꢀreliabilityꢀupꢀtoꢀ10ꢀmillionꢀturns
SERꢀES SPECꢀFꢀCATꢀꢁꢂS
No. of Electrical
Series Turns angle
Mechanical
angle
Linearity
independent rating
Power
Rotational
life
Weight
CPM
3
5
10
1080°±5° 1080°+10°/-0°
1800°±5° 1800°+10°/-0°
3600°±5° 3600°+10°/-0°
±0.5%
±0.35%
±0.25%
1W
1W
2W
5,000,000
5,000,000
10,000,000
0.8 oz.
0.8 oz.
0.8 oz.
ChARACTERꢀSTꢀCS
Dielectric strength
1000VAC min.
48 in. oz.
Hybrid
Element
Housing
Mount
High Temp Thermo Plastic
Brass bushing std.; servo available
Gold plated brass
Stop strength
<0.015% (10 turn), <0.05% (3 and 5
turn)
Output smoothness
Terminals
Shaft
<3% (10 turn), <5% (3 and 5 turn)
0.3% max.
Contact variation
End voltage
Stainless steel
10 mil. turns (10 turn), 5 mil. turns (3
and 5 turn)
Life expectancy
-55°C to +105°C
±100PPM/°C
Operating temperature
Temperature coefficient
Vibration
±10% standard (±5% special order)
±0.3% standard (±0.1% special order)
Resistance tolerance
Linearity tolerance
Power rating
10HZ to 2000HZ l5G
50g 11ms
2 Watt (10 turn), 1 Watt (5 turn), 1 Watt
(3 turn)
Shock
40°C 95%RH 120 hours
essentially infinite
0.8 oz.
Moisture resistance
Resolution
0.7 oz. in. max.
Torque
1000MΩ min. @500VDC
Insulation resistance
Weight
(continued)
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
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