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CK Series Capacitive Proximity Sensors
M18 (18mm) plastic – DC
Pushbutton models
• NO/NC selectable
• Pushbutton teach
• LED status indicators
• IP65/IP67 rated
• M12 quick-disconnect; purchase
cable separately
• Mounting accessories available
CK Series Capacitive Prox Selection Chart
Part Number Price Sensing Distance Mounting Output State Logic Connection Wiring Dimensions
Pushbutton select and teach
CK1-00-2H
Potentiometer sensitivity adjustment
CK2-AP-1H
CK2-CP-1H
CK2-AP-2H
CK2-CP-2H
$86.00 12mm (0.47 in) Non-flush N.O./N.C. NPN/PNP M12 (12mm) quick-disconnect Diagram 1 Figure 1
$59.00 8mm (0.32 in) Flush N.O. PNP M12 (12mm) quick-disconnect Diagram 1 (PNP) Figure 2
$59.00 8mm (0.32 in) Flush N.C. PNP M12 (12mm) quick-disconnect Diagram 1 (PNP) Figure 2
$59.00 15mm (0.59 in) Non-flush N.O. PNP M12 (12mm) quick-disconnect Diagram 1 (PNP) Figure 2
$59.00 15mm (0.59 in) Non-flush N.C. PNP M12 (12mm) quick-disconnect Diagram 1 (PNP) Figure 2
Potentiometer models
• NO or NC units available
• Potentiometer sensitivity adjustment
• LED status indicators
• IP65/IP67/IP69K rated
• M12 quick-disconnect; purchase cable
separately
• Mounting accessories available
CK Series Specifications CK1-00-2H CK2-XX-XX
Mounting Type
Nominal Sensing Distance
Operating Distance
Material Correction Factors
Output Type
Operating Voltage
No-load Supply Current
Operating (Load) Current
Off-state (Leakage) Current
Voltage Drop
Switching Frequency
Differential Travel (% of Nominal Distance)
Repeat Accuracy
Ripple
Time Delay Before Availability (tv)
Reverse Polarity Protection
Short-circuit Protection
Operating Temperature
Protection Degree (DIN 40050)
Indication/Switch Status
Housing Material
Sensing Face Material
Shock/Vibration
Tightening Torque
Weight
Connectors
Agency Approvals
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Non-flush Non-flush Flush
12mm (0.47 in) 15mm (0.59 in) 8mm (0.32 in)
NA NA
NPN/PNP; N.O./N.C. PNP; N.O./N.C.
10 to 36VDC 10 to 30VDC
< 20mA < 22mA
200mA
NA
< 2.5V
10Hz 30Hz
NA
Yes
Yes, pulsed
-25° to 80°C (-13° to 176°F)
Sensing face: -25° to 110°C (-13° to 230°F)
IEC IP65/IP67 IEC IP65/IP67IP69K
Yellow (output energized)
Polybutylene Terephthalate (PBT)
DIN EN 60947-5-2
2.0 N•m (1.48 lb•ft)
59g (2.08 oz) 26.1 g (0.92 oz)
M12 connector. 2 lock nuts included
cULus file E328811, CE
Proximity Sensors
tSEN-158
27.7
27.7
2 = POTENTIOMETER SENSING RANGE
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CK Series Capacitive Proximity Sensors
Wiring diagrams
Diagram 1
NPN Output
PNP Output
Dimensions
mm [inches]
Connectors
M12 connector
Figure 1
87.0
3.43
77.0
3.03
24.0
0.94
M18X1.0
55.5
2.19
M12X1.0
1.09
2.7
0.11
4.0
0.16
PROGRAM
BUTTONS
Figure 2
92.5
3.64
M18X1.0
80.0
3.15
24.0
0.94
50.0
1.97
1.09
1.0
0.04
4.0
0.16
21
M12X1.0
QUICK
DISCONNECT
8.5
0.33
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1 = LED YELLOW SWITCHING STATUS
Proximity Sensors
tSEN-159
1-800-633-0405
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Capacitive Proximity Sensors - Accessories
Mounting Well
Mounting Adapter
Capacitive Proximity Sensors Accessory Chart
Part Number Price Description Material Dimensions
Mounting Adapter
CR1-ADPTR
Mounting Wells
MWT-01
MWK-01
Dimensions
mm [inches]
$4.00 Adapter for CR1 series capacitive sensors
$46.50 30mm (1.18 in) sensor mounting well
$38.00 18mm (0.71 in) sensor mounting well Figure 3
Housing: Polybutylene Terephthalate (PBT)
Included Screws: M3 x 6 Steel (0.5 N•m [0.37 lb•ft])
PTFE - Polytetrafluoroethylene (Teflon®)
Temp: -25° to 246°C (-13° to 474.8°F)
Max. pressure: 100 PSI (6.9 bar)
Figure 1
CR1 Adapter
Figure 2
30mm Sensor Mounting Well
Figure 3
18mm Sensor Mounting Well
Figure 1
Figure 2
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Proximity Sensors
tSEN-170
1-800-633-0405
Accessories for 18mm Sensors
Axial Mounting Bracket
Axial mounting bracket available in zinc plated steel or 316L stainless steel. Has two mounting
holes (use 4mm screws) and allows for rotation of an optical axis for right-beam-angle-adapter
sensors. Hexagonal nuts not included. For use with 18mm sensors.
Accessories for 18mm Sensors
Part Number Price Description
ST18A
$2.00 Mounting bracket, axial, zinc plated steel. For use with 18mm sensors. 0.06 (27.2)
Weight
lb (g)
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ST18A7W
$6.75 Mounting bracket, axial, 316L stainless steel. For use with 18mm sensors. 0.06 (27.2)
Dimensions
mm [inches]
Right-angle Mounting Bracket
Right-angle mounting bracket for use with 18mm sensors. Has two mounting holes (use 4mm
screws) and allows the rotation of an optical axis for axial sensors. Hexagonal nuts not included.
ST18A
Accessories for 18mm Sensors
Part Number Price Description
ST18C
ST18C7W
$2.00 Mounting bracket, right-angle, zinc plated steel. For use with 18mm sensors. 0.06 (27.2)
$6.75 Mounting bracket, right-angle, 316L stainless steel. For use with 18mm sensors. 0.06 (27.2)
Dimensions
mm [inches]
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Weight
lb (g)
ST18C
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Sensor Accessories
tSEN-428
1-800-633-0405
Accessories for 18mm Sensors
Right-angle Mounting Brackets
Mounting bracket, right-angle, fixed insertion stop adjustment, plastic. For use with 18mm
sensors. Available with or without fixed insertion stop.
Accessories for 18mm Sensors
Part Number Price Description
Wenglor mounting bracket, right-angle, fixed insertion stop adjustment, plastic. For use
OPT2104
OPT2105
$8.75
$8.75 Wenglor mounting bracket, right-angle, plastic. For use with 18mm sensors. 0.06 (27.2)
with 18mm sensors.
Dimensions
mm [inches]
Weight
lb (g)
0.06 (27.2)
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OPT2104, OPT2105
Right-angle Swivel Mounting Systems
Mounting bracket, right-angle swivel, 360 degree vertical and horizontal adjustment, 12mm
rod mount. For use with 18mm sensors. Available in all 304 stainless steel or with an
aluminum head and a stainless steel mounting plate.
Accessories for 18mm Sensors
Part Number Price Description
Wenglor mounting bracket, right-angle swivel, 360 degree
$9.75
OPT2116
OPT2117
Note: 304 Stainless steel mounting rods sold separately: OPT2109 (200mm [7.87 in] length), OPT2110 (300mm [11.81 in] length), and
OPT2111 (500mm [19.69 in] length).
vertical and horizontal adjustment, aluminum, 12mm rod
mount. For use with 18mm sensors.
Wenglor mounting bracket, right-angle swivel, 360 degree
$17.50
vertical and horizontal adjustment, 304 stainless steel, 12mm
rod mount. For use with 18mm sensors.
Mounting
Head
Aluminum
304
Stainless steel
Mounting
Plate
304
Stainless steel
304
Stainless steel
Weight
lb (g)
0.15
(68.0)
0.28
(127.0)
Dimensions
mm [inches]
OPT2116, OPT2117
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Sensor Accessories
tSEN-430
1-800-633-0405
Mounting Rods
Mounting Rods
304 Stainless steel rods for mounting swivel brackets OPT2112 - OPT2127. Available in
three lengths: 200mm, 300mm, and 500mm. 12mm diameter.
Mounting Rods for OPT2112-2127 Swivel Mounting Brackets
Part Number Price Description
OPT2109
OPT2110
OPT2111
$11.00 Wenglor mounting rod, 12mm diameter, 200mm length, 304 stainless steel. 0.41 (185.97)
$13.50 Wenglor mounting rod, 12mm diameter, 300mm length, 304 stainless steel. 0.60 (272.16)
$17.50 Wenglor mounting rod, 12mm diameter, 500mm length, 304 stainless steel. 0.98 (444.52)
Dimensions
mm [inches]
Weight
lb (g)
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OPT2109, OPT2110, OPT2111
Right-angle Mounting Bracket
Mounting bracket, right-angle, nickel-plated brass. For use with 12mm mounting
rods OPT2109, OPT2110 & OPT2111.
Accessories for 12mm Sensors
Part Number Price Description
Wenglor mounting bracket, right-angle, nickel plated brass. For use with
OPT2108
$13.50
12mm mounting rods OPT2109, OPT2110 & OPT2111.
Weight
lb (g)
0.07 (31.8)
Dimensions
mm [inches]
OPT2108
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Sensor Accessories
tSEN-440
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