China Temperature Humidity Sensor for IP RS485 PDU Meter Module Manufacturer and Factory

Temperature Humidity Sensor for IP RS485 PDU Meter

JSY-MK-665

Description:

JSY-MK-665 is a new generation of single-chip integrated temperature and humidity sensor developed by Jiansiyan. It is developed based on the GXHT3 weak signal detection design platform and MEMS process design platform. It integrates high-sensitivity MEMS humidity-sensitive elements to reduce the interference of multi-chip signal transmission. In addition, the wide power supply voltage range of 3.3-5V makes it adaptable to various power supply environments.

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Our company since its inception, constantly regards product or service high quality as business life, continually improve creation technology, make improvements to product high-quality and consistently strengthen business total high-quality management, in strict accordance together with the national standard ISO 9001:2000 for Intelligent Power Meter , Cashpower Prepaid Electricity , Branch Circuit Metering , Our corporation maintains risk-free enterprise combined by truth and honesty to maintain long-term interactions with our clients.

Temperature Humidity Sensor for IP RS485 PDU Meter Module Detail:

Temperature and humidity sensor features

- Full temperature and humidity range calibration and temperature compensated digital output
- Wide supply voltage range, from 3.3V to 5V
- JSY-MK-665 has an accuracy of ± 5 %RH and ± 0.5 ° C
- Single chip integrated temperature and humidity sensor
- High reliability and long-term stability
- Measure relative humidity in the range of 0-100%
- Measurement Temperature in the range of -35 ~ 110 ℃
- Integrated 16-bit high-precision ADC
- Measurement time as low as 5ms

Sensor performance

Recommended operating conditions
The sensor shows optimal performance when operated within the normal recommended temperature and humidity ranges (5°C–60°C and 20%RH–80%RH, respectively). Long-term exposure to conditions outside of the normal range, especially at high humidity, may temporarily shift the relative humidity signal (e.g. +3%RH after 60 hours at >80%RH). After returning to the normal temperature and humidity ranges, the sensor will slowly return to calibration on its own. Long-term exposure to extreme conditions may accelerate aging.

Application Information

4.1 Application scenario design

In terms of product design, the sensor has the following features:
To improve system stability, the following two power supply options are available:

Application circuit 1, the pull-up voltage of SDA and VCC are powered by MCU.
Note: 1. The host MCU supplies JSY-MK-665 with a power supply voltage range of 3.3 ~5V.
2. When JSY-MK-655 is just powered on, MCU will give priority to supplying power to VCC, and SCL and SDA can be set to high level after 5ms .

Application circuit 2, the working condition of JSY-MK-665 is controlled by whether GND is grounded.
Note: 1. Users can indirectly control the GND grounding by controlling the switch module composed of transistors to achieve the power-off effect of JSY-MK-665 .

4.2 Pin Definition

Pinout	name	describe	Remark
1	VCC	Power supply
2	SCL	Serial Clock
3	CDA	Serial data, bidirectional port
4	GND	land

4.3 Power Pins

The power supply range of JSY-MK-655 is 3.3 - 5 V, and the recommended voltage is 3.3V. VCC is powered on first or synchronously before SDA and SCL to avoid leakage current from the signal line (SCL/SDA), which may cause the chip to be in a non-working state after power-on.

4.4 Serial Clock SCL

SCL is used to synchronize the communication between the microprocessor and JSY-MK-665 . Since the interface contains completely static logic, there is no minimum SCL frequency.

4.5 Serial Data SDA

The SDA pin is used for data input and output of the sensor. When sending commands to the sensor, SDA is valid at the rising edge of the serial clock SCL, and when SCL is high, SDA must remain stable. After the falling edge of SCL, the SDA value can be changed. To ensure communication security, the effective time of SDA should be extended before the rising edge of SCL and after the falling edge . When reading data from the sensor, SDA is valid after SCL becomes low (TV) and remains until the next falling edge of SCL.

Product size

Product detail pictures:

Related Product Guide:

Now we have superior devices. Our solutions are exported to your USA, the UK and so on, enjoying a superb name between customers for Temperature Humidity Sensor for IP RS485 PDU Meter Module, The product will supply to all over the world, such as: Orlando, Florence, Argentina, We'll initiate the second phase of our development strategy. Our company regards "reasonable prices, efficient production time and good after-sales service" as our tenet. If you are interested in any of our products and solutions or would like to discuss a custom order, make sure you feel free to contact us. We've been looking forward to forming successful business relationships with new clients around the world in the near future.

We want to help you create the exact product
From the lab team that ensures your products are performing, to the sourcing team that helps you realize all your labeling and packaging visions, JSY will be there every step of the way.

Private Labeling
label product lines.Whether you need help creating the right formula or have a range of products you want to compete and packaging visions, JSY will be there every step of the way. with, we can help you deliver high-quality products every time.

At present, the company is vigorously expanding overseas markets and global layout. In the next three years, In the next three years, we are committed to becoming one of the top ten export enterprises in China’s electricity metering industry, serving the world with high-quality products and achieving a win-win situation with more customers.

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