LOOP DETECTOR HANDBOOK
667/HE/20663/000 Issue 13 Page 14
2.5.1 Siemens ST4R / SLD4 Detectors
FACILITY SHAPE NO.OF NO.OF MAX
LANES TURNS FEEDER
V/A Chevron/Diamond 1 to 3 3 300 m
V/A Chevron/Diamond 4 3 250 m
V/A Chevron/Diamond 5 3 200 m
V/A Chevron/Diamond 6 3 150 m
SDE/SA Rectangle 1 3 300 m
SDE/SA Chevron 1 3 300 m
COUNT/QUEUE Rectangle 1 3 600 m*
SCOOT Rectangle 1 or 2 3 600 m*
MOVA Diamond 1 to 3 3 300 m
MOVA Diamond 1 to 3 3 600 m*
Note: * = Not cycle sensitive
2.5.2 Peek/Sarasota and Microsense MXED Detectors
FACILITY SHAPE NO.OF NO.OF MAX
LANES TURNS FEEDER
V/A Chevron/Diamond 1 to 3 3 300 m
V/A Chevron/Diamond 4 3 250 m
V/A Chevron/Diamond 5 3 200 m
V/A Chevron/Diamond 6 3 150 m
SDE/SA Rectangle 1 3 300 m
SDE/SA Chevron 1 3 300 m
COUNT/QUEUE Rectangle 1 3 300 m
SCOOT Rectangle 1 or 2 3 300 m
Note: Sarasota MTS 36ZE and MTS 38ZE (667/7/21031/102 and /104)
detectors have a built-in extension timer and must not be used with
Traffic Signals.
2.5.3 Plessey ST and Microsense MSE Detectors
Note: These detectors are now obsolete. The following is included for
information only.
FACILITY SHAPE NO.OF NO.OF MAX.
LANES TURNS FEEDER
V/A Chevron/Diamond 1 to 4 3 150 m
V/A Chevron/Diamond 5 to 6 3 100 m
SDE/SA Rectangle 1 3 150 m
SDE/SA TBA 1 TBA TBA
COUNT QUEUE Rectangle 1 3 150 m
SCOOT Rectangle 1 or 2 3 150 m