SENSORS & CONTROLS
BLACK
RED
6909 Series
INC.
SPECTRUM
7/8 In. Dia. POTENTIOMETER
ELEMENT ROTOR/WIPER KIT
WHITE
1/8 Inch TYP. STRIP
6.0 NOMINAL
LEADWIRES
.045 .005
45° MAX.
TYPICAL
+.002
.186
- .005
ELEMENT I.D.
.075 REF.
.702±.002
ELEMENT O.D.
R.330 MAX.
ROTOR ARC
.075
.005
STANDARD PRODUCT OFFERING
SS&C PART NUMBER
RESISTANCE
.200 REF.
6909-1000-030 1KΩ ±10%
6909-1002-030 5KΩ ±10%
6909-1003-030 10KΩ ±10%
1kΩ ±10%
5kΩ ±10%
10kΩ ±10%
320°
330° MIN.
±0.5%
0.5% MAX.
VIRTUALLY INFINITE
0.1% MAX.
400PPM/°C MAX.
1.0 WATT MAX.
10 MilliAmps MAX.
SCHEMATIC DIAGRAM
BLACK
ELEMENT ONLY P/N 6909-1003-070
MECHANICAL ROTATION:
CONTINUOUS
TOTAL WEIGHT (ELEMENT ONLY): 0.75 Gm. MAX.
WIRE LEAD LENGTH:
6.0 Inches NOMINAL
ELEMENT OUTER DIAMETER:
0.702±.005 Inch
ELEMENT INNER DIAMETER:
0.186+.002/-.005 Inch
ROTOR OPERATING RADIUS:
0.330 MAX.
STANDARD ROTOR PART No:
6909-0000-060
INSULATOR INSIDE DIAMETER:
0.127±.002 Inch
INSULATOR LENGTH:
0.200+.000/-.005
STANDARD INSULATOR PART No: 7040-0005-015
STANDARD
MATERIALS OF CONSTRUCTION
LEADWIRES:
CW
VIEWED FROM ELEMENT FRONT FACE
STANDARD
ENVIRONMENTAL CHARACTERISTICS
OPERATING TEMP. RANGE:
ROTATIONAL OPERATING LIFE:
ELEMENT ONLY P/N 6909-1002-070
RESISTANCE ELEMENT:
GRIP-RING ROTOR:
INSULATOR:
ELECTRICAL CONTACTS:
RED
WHITE
ELEMENT ONLY P/N 6909-1000-070
STANDARD MODEL
MECHANICAL CHARACTERISTICS
STANDARD MODEL
ELECTRICAL CHARACTERISTICS
RESISTANCE, 6909-1000-030:
6909-1002-030:
6909-1003-030:
ACTIVE ELECTRICAL ANGLE:
ELECTRICAL CONTINUITY ANGLE:
INDEPENDENT LINEARITY:
END VOLTAGE:
VOLTAGE RESOLUTION:
OUTPUT SMOOTHNESS:
RESISTANCE TEMP. COEFFICIENT:
POWER RATING @ 70°C:
WIPER CONTACT CURRENT:
+.004
.125
- .000
INSULATOR I.D.
-65°C To 6+125°C
100 x 10 REVOLUTIONS MIN.
CO-MOLDED CONDUCTIVE PLASTIC
HEAT-TREATED BERYLLIUM COPPER
HIGH-TEMP. MOLDED PLASTIC
MULTI-FINGER PRECIOUS METAL
DIRECTLY WELDED TO ROTOR
#30 AWG TYPE ET STRANDED WIRE
TEFLON INSULATED (250V)
CONTACT:
SPECTRUM SENSORS & CONTROLS, INC.
424 CROWN POINT CIRCLE, GRASS VALLEY, CA 95945
(800) 880-7730
(530) 273-4608 FAX: (530) 273-0769
E-MAIL: sales@specsensors.com
INC.
SPECTRUM
SENSORS & CONTROLS
6909 Series
7/8 In. Dia. POTENTIOMETER
ELEMENT ROTOR/WIPER KIT
ADJUSTABLE BeCu
GRIP-RING ROTOR
WELDED MULTI-FINGER
PRECIOUS METAL CONTACTS
INSULATOR FOR
1/8 In. Dia. SHAFT
#30 AWG
COLOR CODED
LEADWIRES
CO-MOLDED
CONDUCTIVE PLASTIC
RESISTANCE ELEMENT
STANDARD
ELECTRICAL CHARACTERISTICS
RESISTANCES (±10%):
ACTIVE ELECTRICAL ANGLE:
ELECTRICAL CONTINUITY ANGLE:
INDEPENDENT LINEARITY:
END VOLTAGE:
VOLTAGE RESOLUTION:
OUTPUT SMOOTHNESS:
RESISTANCE TEMP. COEFFICIENT:
POWER RATING @ 70°C:
WIPER CONTACT CURRENT:
1KΩ, 5KΩ, and 10kΩ
320°
330° MIN.
±0.5%
0.5% MAX.
VIRTUALLY INFINITE
0.1% MAX.
400PPM/°C MAX.
1.0 WATT MAX.
10 MilliAmps MAX.
STANDARD
MECHANICAL CHARACTERISTICS
MECHANICAL ROTATION:
TOTAL WEIGHT (ELEMENT):
WIRE LEAD LENGTH:
ELEMENT OUTER DIAMETER:
ELEMENT INNER DIAMETER:
ROTOR OPERATING RADIUS:
INSULATOR INSIDE DIAMETER:
CONTINUOUS
0.75 Gm. MAX.
6.0 Inches NOMINAL
0.702±.005 Inch
0.186+.002/-.005 Inch
0.330 MAX.
0.127±.002 Inch
STANDARD
ENVIRONMENTAL CHARACTERISTICS
OPERATING TEMP. RANGE:
ROTATIONAL OPERATING LIFE:
-65°C To +125°C
100 x 10 6 REVOLUTIONS MIN.
STANDARD
MATERIALS OF CONSTRUCTION
RESISTANCE ELEMENT:
GRIP-RING ROTOR:
INSULATOR:
ELECTRICAL CONTACTS:
LEADWIRES:
CO-MOLDED CONDUCTIVE PLASTIC
HEAT-TREATED BERYLLIUM COPPER
HIGH-TEMP. MOLDED PLASTIC
MULTI-FINGER PRECIOUS METAL
DIRECTLY WELDED TO ROTOR
#30 AWG TYPE ET STRANDED WIRE
TEFLON INSULATED (250V)
AVAILABLE OPTIONS
CUSTOM RESISTANCE VALUES (500Ω TO 50kΩ)
AND TOLERANCES AS LOW AS ±5%
SPECIAL LINEARITIES AS LOW AS 0.25%, ABSOLUTE
(INDEXED) OR INDEPENDENT OVER SPECIFIED
REGIONS.
ADDITIONAL TAPS, CURRENT OR VOLTAGE
SPECIAL ELECTRICAL ANGLES UP TO 350° MAX.
SPECIAL WIRE LEADS OR CABLES
SPECIAL TERMINATIONS OR CONNECTORS
SPECIAL TRANSFER FUNCTIONS:
NON-LINEAR OUTPUTS
LOAD COMPENSATION
TRIG, LOG, AND EXPONENTIAL OUTPUTS
SPECIAL ELEMENT DIMENSIONS OR FEATURES
SUCH AS LOCATING NOTCHES, SCRIBE MARKS,
CUSTOM SUBSTRATE SHAPES.
CUSTOM ROTOR OR INSULATOR DIMENSIONS
AND FEATURES.
CUSTOM MARKING, IDENTIFICATION OR LOGO.
SPECIAL ENVIRONMENTAL CAPABILITES SUCH AS
HIGH SHOCK AND VIBRATION.
CONTACT:
SPECTRUM SENSORS & CONTROLS, INC.
424 CROWN POINT CIRCLE, GRASS VALLEY, CA 95945
(800) 880-7730 (530) 273-4608 FAX: (530) 273-0769
E-MAIL: sales@specsensors.com
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