GVD3 series loop detectors are our popular products for access control and are widely used at industry door for vehicle detection to realize door opening function, also at the barrier gate and toll gate . The loop detector have automatic reset & manual reset function and sensitivity bootstrapping function .With high quality,stable performance and long service-life, the G-TEK GVD series loop detector will be your wise chioce.
| Channel | Single channel |
| Model | GVD301 |
| Supply voltage | 220V AC ±10% |
| Detection rang | 20~2000μH |
| Sensitivity | 0.02%~0.2% (7 adjustable levels) |
| Sensitivity boost | Switch options |
| Response time | 50ms |
| Frequency | 2 levels for adjustment,15~120kHz |
| Control Output | 2 output relays(5A/AC230V) Relay1: presence relay Relay2: pulse/fault relay |
| Working Mode | Mode1: Presence & pulse relay output |
| Mode2: Presence & fault relay output | |
| Presence type | Limited / permanent presence |
| Pulse type | Limited / permanent presence |
| Pulse output time | Entry pulse/ exit pulse |
| Presence output time | Entry pulse: 200ms,Exit pulse: 200ms |
| Indicator | Power indicator: Red Statues indicator: Green |
| Interior protection | Isolation transformer, voltage regulator tube, piezoresistor, thermistor |
| Operation temperature | -45ºC~80ºC |
| Humidity | Up to 95%,No condensation |
| Product Series | Product Model | Product type | Supply voltage | Sensitivity |
| GVD3XX Series | GVD321 | Single channel | 24V DC/AC±10% | 7 adjustable levels |
| GVD301 | Single channel | 220V AC±10% | 7 adjustable levels | |
| GVD322 | Binary channel | 24V DC/AC±10% | 7 adjustable levels | |
| GVD302 | Binary channel | 220V AC±10% | 7 adjustable levels |
Tianjin G-TEK sensor technology co.,ltd was established in 2014 at Xiqing district , Tianjin City and it will fully inherit and expand the original G-TEK automation business with the construction and operation of the new R&D and manufacture base.
OUR PRODUCT RANGE
- Photoelectric Sensor (PMF21/PMF50/PMF55/PMF80 /PM18/PS18/PT12 series)
- Proximity Sensor (IM12/IM18/IM30/IF17 series)
- Infrared light curtain (LSM/LSMC/LSE/LSEC series)
- Safety light curtain (LSA series)
- Infrared vehicle separator (LHA/LHAC/LHN/LHNC series)
- Loop detector (GVD3/GVD1 series)
- Laser radar (LSD/LND series)
- 3D TOF product (GDC1100/GDC1101/GDC1102)
- Other sensor product (Microwave radar, Revolving door Anti-pinching sensor)
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.
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