ShenzhenYijiajie Electronic Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 2200 |
| Delivery Time | 5-8 days |
| Packaging Details | Pouching |
| Response rate | 160 ± 40 V/W |
| Noise voltage | 38 nV/√Hz |
| Detection rate | 1.5 × 10⁸ cm·√Hz/W |
| Time constant | ≤ 13 ms |
| NTC resistance | 100 kΩ ± 1% (25℃) |
| NTC β value | 3950 ± 1% |
| Operating temperature range | -30℃ ~ +125℃ |
| Temperature measurement range | -20℃ ~ +500℃ (target) |
| Brand Name | YJJ |
| Model Number | MRT313 MRT511 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | 2200 |
| Delivery Time | 5-8 days | Packaging Details | Pouching |
| Response rate | 160 ± 40 V/W | Noise voltage | 38 nV/√Hz |
| Detection rate | 1.5 × 10⁸ cm·√Hz/W | Time constant | ≤ 13 ms |
| NTC resistance | 100 kΩ ± 1% (25℃) | NTC β value | 3950 ± 1% |
| Operating temperature range | -30℃ ~ +125℃ | Temperature measurement range | -20℃ ~ +500℃ (target) |
| Brand Name | YJJ | Model Number | MRT313 MRT511 |
| Place of Origin | CHINA | ||
| High Light | MRT313 infrared temperature sensor ，MRT511 thermopile sensor ，MEMS infrared measurement sensor | ||
Product Description:
YJJ MRT313 MRT511 MEMS Thermopile Infrared Temperature Measurement Sensor
Features:
I. Core Parameters (Typical Values at 25°C)
Chip size: 1.1 × 1.1 mm
Field of view angle: 95° (> 50% energy)
Thermopile resistance: 90 ± 30 kΩ
Response rate: 160 ± 40 V/W (500K blackbody)
Noise voltage: 38 nV/√Hz
Detection rate: 1.5 × 10⁸ cm·√Hz/W
Time constant: ≤ 13 ms (Fast response)
NTC resistor: 100 kΩ ± 1% (25°C)
NTC β value: 3950 ± 1% (25/50°C)
Operating temperature range: -30°C ~ +125°C
Temperature measurement range: -20°C ~ +500°C (Target)
II. Working Principle
Based on the Seebeck effect, hundreds of thermocouples are connected in series to receive the infrared radiation from the target (8–14 μm), and the temperature difference is converted into a voltage output; an internal NTC is used for environmental temperature compensation to achieve non-contact, static/dynamic temperature measurement (different from pyroelectric which only measures dynamic changes).
III. Main Applications
Medical temperature measurement: forehead thermometers, ear thermometers (high-precision for human body 32–42°C)
Home appliance control: range hoods (high-temperature start on stove top), air conditioners, microwave ovens, stove temperature monitoring
Industrial temperature measurement: non-contact temperature measurement in production lines, equipment overheat protection
Human presence detection: intelligent lighting, security, automatic doors (static human body can also be detected)
Specifications:
| Induction wavelength | 7 - 14 μm |
| Operating voltage | 2.4 - 12 VDC |
| Static current | < 60 μA |
| Detection distance | 7 - 10 m |
| size | 10.1 x 10.1 x 6.5 mm3 |
| T90 Response Time | ≤ 30s |
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2006
Total Annual:
900000-1000000
Employee Number:
50~80
Ecer Certification：
Verified Supplier
Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph... Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph...
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