Complaint
Automatic Sensitivity Boost function boosts the sensitivity to the maximum
Dialer on-off switch select action mode and output mode of the relay
Power-on automatic reset and manual reset functions
Tunable working frequency
Vehicle Loop Detector includes GVD3 series and GVD1 series. They are mainly used for the rolling doors, underground garage barrier gate etc.
| Parameter | |
| Loop Vehicle Detector | GVD3 Binary Channel Relay DC output |
| Channel | Binary channel |
| Supply voltage | 24V AC/DC±10% |
| Detection rang | 20~2000μH |
| Sensitivity | 0.02%~0.2% (4 levels for adjustment) |
| Sensitivity boost | Switch options |
| Response time | 100ms |
| Frequency | 2 levels for adjustment,15~120kHz |
Output | 2 Relay output (5A/AC230V) |
| Relay1: Ch1presence relay | |
| Relay2: Ch2 presence relay | |
| Working Mode | -------- |
| Presence type | Limited / permanent presence |
| Pulse type | -------- |
| Pulse output time | -------- |
| Presence output time | -------- |
| Indicator | Power indicator: Red, Ch1 Green: Ch1 status indicator Ch2 Green : Ch2 status indicator |
| Interior protection | Isolation transformer, voltage regulator tube, piezoresistor, thermistor |
| Operation temperature | -45ºC~80ºC |
| Humidity | Up to 95%,No condensation |
Q: What kind of products do you manufacture?
A: Our products includes photocell sensor, proximity switch, infrared light curtain, Vehicle separator, Loop detector and laser radar.,etc.
Q: Can I get some samples?
A: Yes, Sample orders are welcomed.
Q: Have photocell sensors 100% assembled well in stock?
A: We have some standard photocell sensors in stock with limited quantity; While
almost all photocell sensors will be newly produced according to your order.
Q: What is the delivery time?
A: 15-30 days for mass production depends on different products
Q: What is your MOQ?
A: We provide small MOQ for each item; it depends on your specific order.
Q: Do you have customization service?
A: Yes, We can provide customized products while the customization needs to meet certain quantity.
Q: Do you test all goods before delivery?
A: Yes, We have 100% test before delivery.
Q: What is your payment term?
A: We usually use 100% T/T in advance; West union and Paypal are also available for small order.
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Q: Do you provide warranty for the goods?
A: Yes, We provide warranty for all the goods from us. For the sensor product the warranty is 15 months, For the light curtain , laser radar product the warranty is 18 months.
Q: May I visit your factory?
A: Sure, You are always welcome to visit us.
