GVD301 vehicle loop detector
Type: single channel
Supply Voltage: 220V AC±10%
Sensing range:20-1500µH
Sensitivity: 0.02%-0.2% (7 degrees adjustable)
Response time: 50ms
Frequency: 2 degree adjustable, 15-120khz
Output: 2 output relays (5A/AC230V) Relay 1: presence relay; relay 2: pulse/fault relay;
CH1: presence relay; CH2: presence relay
Working mode: Model: presence & pulse relay output; Model 2: presence & fault relay output
Presence mode: Limited presence/permanent presence
Pulse mode: pulse entry/ pulse exit;
Pulse output time: pulse entry 200ms, pulse exit 200ms
Presence output time: 30mins limited presence/permanent presence;
Indicator: red: power, green: status indicator;
Internal protection: loop isolation transformer, voltage-regulator tube, voltage dependent thermistance;
Temperature:-40—80 centigrade