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What is an infrared sensor
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Active infrared and passive infrared alarm features, differences and application Works for the infrared emission of infrared emission tube infrared...What is RFID (radio frequency identification technology)
What is RFID (radio frequency identification technology) Radio Frequency Identification (RFID), is the 1980s developed a new automatic identi...How to install the access control system?
How to install the access control system? There are a number of responsibilities which come with the owning and operating of a business. Wit...How to buy a home burglar alarm products
[Abstract] home burglar alarm product is the use of various types of peripheralfunctions detectors, space, environment and people's overall housing te...Emergency resettable alarm button
Emergency resettable alarm button       Emergency resettable alarm button,it can be installed in the fire hydrant box as...SMQT's Access Control Products Passed ISO Certification
SMQT's Access Control Products Passed ISO Certification On March 27th, 2018, SMQT passed the strict inspection, test and evaluation of the company...
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Converter RS232 to RS485 EA-01
Model:EA-01
Dimension:90×33×12(mm)
Serial feature: Interface compatible with EIA / TIA RS-232C, RS-485 standard
Electrical Interface:RS-232 terminal DB9 female connector port,
RS-485 terminal DBP pin connector port with terminals (four or six wiring wiring)
Way of working:Asynchronous half-duplex
Transmission medium: Ordinary line, twisted pair or shielded cable
Transmission rate: 300-115200BPS
Transmission distance:5 m (RS-232 terminal)
1200 m (RS-485 terminal)
Signal: RS-232: TXD, RXD, RTS, CTS, DTR, DSR, DCD, GND
RS-485: Date +, Date-, GND
Power supply:Efficient serial stealing technology More
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Wooden door magnetic contact
Specification Product name Wired Magnetic Door Contact Sensor Model number EB-134 Dimensions ... More
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Grey wired magnetic contact sensor EB-139
Model:EB-139
Dimension:106×16×16(mm)
Code mode:NO/NC(optional)
Gap:50±10(mm)
Max voltage:≤100V DC
Max current:≤500mA
Max rating:≤10W
Color:Silver grey
Suit for:Metal door or window
Material:A.alloy-zn, B.ABS
Net weight:A:158g/ B:62g More
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Magnetic contact for door and window
Dimensions 41L * 27W * 8 (mm) Connection Normally open / normally closed Operating distance 20 ± 5 (mm... More
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Wired Door Sensor
Dimensions 41L * 34W * 6.5H (mm) Connection NC / NO Operating distance 20 ± 5 (mm) Maxi... More
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Wireless door sensor with backup battery
Specification Product name Wireless Magnetic Door sensor Model number EB-130 Operating Voltage... More
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Magnetic contact for access control system
Dimensions 64L * 19W * 13H (mm) Connection Normally open / normally closed Operating distance 20 ± 5 ... More
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Alloy magnetic contact sensor EB-138
Model:EB-138
Dimension:(A)46×21×12(mm)
(B)47×17×7(mm)
(C)30×13×6(mm)
Code mode:NO/NC(optional)
Gap:50±10(mm)
Max voltage:≤100V DC
Max current:≤500mA
Max rating:≤10W
Color:Grey
Suit for:Metal door or window
Material:alloy-zn
Net weight:150g/100g/50g More
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Access control door exit button
Specification Model EA-27A/B/C/D Name LED light door release button Di... More
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Door release button with ABS material
Spcification Product name Plastic Door Release button Model EA-26A/B/C Dimensions A 86 * 86 ... More
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Shutter door magnetic contact sensor EB-137
Model:EB-137
Dimension:106×38×10(mm)
Code mode:NO/NC(optional)
Gap:60±10(mm)
Max voltage:≤100V DC Mode C: 12VDC
Max current:≤500mA
Max rating:≤10W
Color:Grey
Suit for:shutter door
Material: A.alloy-zn, B.alloy-Al & alloy-zn C:wireless
Net weight:A:0.21Kg B:0.28Kg C:0.29Kg
Wireless frequency:433Mhz(1527chip code)
Wirless transmission distance:<100m More
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Concealed magnetic contact sensor EB-135
Model:EB-135
Dimension:Φ10 ×18.5(mm)
Code mode:NO/NC(optional)
Gap:20±5(mm)
Max voltage:≤100V DC
Max current:≤500mA
Max rating:≤10W
Color:Brown/White(optional)
Suit for:wooden door or window
Material:Fireproof ABS housing
Working temperature:-10 ℃~50 ℃
Net weight:8g More