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Chapter 6
Sensor Head
Sensor Head
Specifications
Measuring center distance
Measuring range
Static resolution
Linearity
*2
Spot diameter
Measuring cycle
Operating ambient illumination
Ambient temperature range
Ambient humidity range
Degree of protection
Vibration resistance (destructive)
Shock resistance (destructive)
Temperature characteristic
Materials
Fiber cable length
Fiber cable minimum bending radius
Insulation resistance (Calibration ROM)
Dielectric strength (Calibration ROM)
Weight
Accessories
*1 Capacity value when Omron standard mirror surface target is measured at the measurement center
distance as the average of 4,096 times
*2 Material setting for the Omron standard mirror surface target: Error from an
ideal straight line when measuring on mirror surface
The reference values for linearity when targets to measure other than the above
are as in the table below.
*3 Capacity value defined by 1/e2 (13.5 %) of the center optical intensity in the measured area
*4 Temperature characteristic at the measurement center distance when fastened with an aluminum jig
between the Sensor Head and the target and the Sensor Head and the controller are set in the same
temperature environment
ZW
6-2
User's Manual
Item
*1
*3
Near
Center
Far
*4
Specifications
ZW-S20
20 mm
±1 mm
0.25 Pm
±1.2 Pm
I45 Pm
I40 Pm
I45 Pm
500 Ps to 10 ms
Illumination on object surface 10,000 lx or less: incandescent
light
Operating: 0 to +50 °C, Storage: -15 to +60 °C
(with no icing or condensation)
Operating and storage: 35 % to 85 %
(with no condensation)
IP40 (IEC60529)
10 to 150 Hz, 0.35 mm single amplitude, 80 min each in X, Y,
and Z directions
150 m/s
2
3 times each in six directions (up/down, left/right,
forward/backward)
1.5 Pm/°C
Case: aluminum die-cast
Fiber cable sheat: PVC
Calibration ROM: PC
0.3 m, 2 m (Flex-resistant cable)
20 mm
Between case and all terminals: 20 M: (by 250 V megger)
Between case and all terminals: 1,000 V AC, 50/60 Hz, 1 min
Approx. 105 g (Chassis, fiber cable total)
Instruction sheet, Fixing screw (M2) for Calibration ROM,
Precautions for correct use
ZW-S40
40 mm
±6 mm
0.25 Pm
±7.0 Pm
I90 Pm
I80 Pm
I90 Pm
4.8 Pm/°C
Item
ZW-S20 ZW-S40
1.2 μm
+
7.0 μm
+
Grass
1.4 μm
8.5 μm
+
+
SUS BA
1.7 μm
9.5 μm
+
+
White ceramic
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