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Dual Element Passive Infrared Motion Sensor / PIR Motion Sensor LHI778 With TO-5 Housing

China Ningbo Anyo Import & Export Co., Ltd. certification
China Ningbo Anyo Import & Export Co., Ltd. certification
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Dual Element Passive Infrared Motion Sensor / PIR Motion Sensor LHI778 With TO-5 Housing

Dual Element Passive Infrared Motion Sensor / PIR Motion Sensor LHI778 With TO-5 Housing
Dual Element Passive Infrared Motion Sensor / PIR Motion Sensor LHI778 With TO-5 Housing Dual Element Passive Infrared Motion Sensor / PIR Motion Sensor LHI778 With TO-5 Housing

Large Image :  Dual Element Passive Infrared Motion Sensor / PIR Motion Sensor LHI778 With TO-5 Housing

Product Details:

Place of Origin: CHINA
Brand Name: ANYO
Model Number: LHI778

Payment & Shipping Terms:

Minimum Order Quantity: 5000pcs
Price: Negotiation
Packaging Details: Customized carton
Delivery Time: 8-10 work days
Payment Terms: L/C, T/T
Supply Ability: 50000pcs per day
Detailed Product Description
Other Name: PIR Sensor Element Size: 2*1 Mm2
Responsivity: 3300~4000V/W Match: 1~10%
Operating Voltage: 2~15V Noise: 20~50μVpp
High Light:

electret condenser microphone

,

pir motion sensor

Dual element passive PIR motion sensor LHI778 with TO-5 housing

 

Description:

PIR sensors are more complicated than many of the other sensors explained (like photocells, FSRs and tilt switches) because there are multiple variables that affect the sensors input and output.

The PIR sensor itself has two slots in it, each slot is made of a special material that is sensitive to IR. The lens used here is not really doing much and so we see that the two slots can 'see' out past some distance (basically the sensitivity of the sensor). When the sensor is idle, both slots detect the same amount of IR, the ambient amount radiated from the room or walls or outdoors. When a warm body like a human or animal passes by, it first intercepts one half of the PIR sensor, which causes a positive differential change between the two halves. When the warm body leaves the sensing area, the reverse happens, whereby the sensor generates a negative differential change. These change pulses are what is detected.

 

The IR sensor itself is housed in a hermetically sealed metal can to improve noise/temperature/humidity immunity. There is a window made of IR-transmissive material (typically coated silicon since that is very easy to come by) that protects the sensing element. Behind the window are the two balanced sensors.

 

The LHi 778 pyroelectric infrared-detector series are the standard dual element design recommended for all variants of motion control. They include a dual element pyro-electric ceramic element with Fet in source follower connection.
LHi 778 detector is available in TO-5 housing with standard infrared filter. It provides high responsivity with excellent common mode performance (match) and low noise at steady state and temperature changes.

 

Parameters:

  Min. Typical Max. Units Condition
Element size   2*1   mm2 2 elements
Responsivity 3300 4000   V/W 100℃, 1Hz
Match   1 10 %  
Noise   20 50 μVpp 25℃, 0,3...10Hz
Offset voltage 0.2   1.55 V Rs=47kΩ, 25℃
NEP   7.5*10 28*10

W✓Hz

1Hz Bw, 100℃,1Hz
D* 5*10 19*10   cm✓Hz/W 1HzBw, 100℃,1Hz
Output impedance   5 10 47kΩ Load Res.
Operating voltage 2   15 V Rs=47kΩ, 25℃
Operating temperature -40   85 non permanent
Storage temperature -40   85 non permanent

 

Dimension:(mm)

Dual Element Passive Infrared Motion Sensor / PIR Motion Sensor LHI778 With TO-5 Housing 0

 

Frequency response:

Dual Element Passive Infrared Motion Sensor / PIR Motion Sensor LHI778 With TO-5 Housing 1

Contact Details
Ningbo Anyo Import & Export Co., Ltd.

Contact Person: Mr. Roy Zhang

Tel: 86 574 56807757

Fax: 86-574-55844980

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