Contrast scanner

Colour sensor

Luminescence scanner
KRT 20
KRT 8
KRT 3B
KRT 20B
KRT 20
CRT 20B
CRTM 20
CRT 442  LRT 440
LRT 8
Contrast scanne KRT 3B, KRT 55 Contrast scanne KRT 20B, KRT 20 Colour sensor CRT 20B, CRTM 20 Colour sensor CRT 442  Luminescence scanner LRT 440, LRT 8
Specifications
Function contrast
detection
contrast
detection
color
detection
color
detection
luminescence
detection
Dimens. excluding plug,
W x H x D, mm
11x32x17
14x36x25
30x82x53
30x 84,5x60
 30 x 84,5 x 60 12 x 40 x 22 23x70x44,7
15x48x38
Operating voltage 10 - 30 V DC 10-30V DC
12-30V DC
12 - 30 V DC  24 VDC +/- 20%  10 - 30 V DC
Outputs PNP, NPN, push-pull PNP, NPN, push-pull 1/4 x PNP,
1/4 x NPN
PNP, NPN PNP, NPN
IO-Link IO-Link, analogue analogue  - analogue
Connection M8, M12, cable M12 M12 M12 M12
Protection class IP 67 / IP 69K IP 67 IP 67 IP 67 IP 65 / IP 67
Approvals
1)
Type selection Product details Product details Product details Product details Product details
Typ. scanning range limit (mm) 13, 14,5, 60 10, 13,5, 20, 50 12, 20, 50, 60 12 0 ... 300
Light source LED, laser LED LED  - LED
Switching frequency max. 10000Hz max. 25.000 Hz 6000 Hz / 25000 Hz 1500 Hz 1500 Hz
Transmitter colour RGB / white /
laser red
RGB / white RGB RGB UV
Light escape frontal lateral or frontal lateral or frontal frontal frontal
Light spot shape 4 fold / single rectangular square square round
Light spot position lengthwise, crosswise, oval lengthwise, crosswise - lengthwise -
Operation Teach-In, EasyTune Teach-In, EasyTune Teach-In Teach-In potentiometer,
keys

1) valid for LRT 8