Product Introduction
AT3000 intelligent pressure transmitter adopts metal capacitive sensor technology and microsilicon fixed mouth state composite sensor technology, differential pressure/pressure/absolute pressure sensor module. Optimized sensor with integrated temperature sensor, thus improving its temperature characteristics! Pressure transfer structure, improved soldering quality and grid design of the circuit. The output of the political pressure center of the communication is in line with the HART protocol, and it is a new generation of isolated intelligent pressure transmitter with microprocessor as the core, and the control hall, transmitter site or anywhere as long as the network control loop is connected.
Features:
Using metal capacitive sensor technology and microsilicon solid-state composite sensor technology, modular design, it is composed of a sensor unit with EEPROM and an electronic amplification unit with magnetic induction local button and EEPROM, where the sensor unit includes differential pressure/pressure/absolute pressure sensor and temperature sensor. The AT3000 intelligent pressure transmitter has excellent temperature characteristics by computerizing the temperature characteristics of the differential pressure/pressure/absolute pressure sensor over the full scale range of the temperature sensor.
Features a unique in-place button. With the local button, it is possible to adjust the transmitter to zero, set the upper and lower limits of measurement, and so on. The local pushbutton is magnetically inductive, so that parameters can be adjusted even in hazardous locations without opening the transmitter cover or using any special tools. The LCD display head, which can be set as a backlight, overcomes the shortcomings of the LCD display that is not easy to read in low light, and at the same time, the large window can display information such as pressure value, current value, and percentage value with physical units.
Product parameters
Measuring media: liquids, vapors and gases
Accuracy class: 0.1
Measuring range (without migration)
Differential pressure range: 0-300Pa - 2068kPa
Pressure range: 0-1.5kPa - 41370kPa
Absolute pressure range: 0-10kPa abs.——2068kPa abs.
Measured medium temperature -40°C——+315°C (remote transmission)
Anti-electromagnetic interference, anti-overvoltage, communication performance is greatly improved
High static pressure: 14MPa, 25MPa, 32MPa
Long-term drift: ±0.10% URL/3 years
Ex d IIC T4 - T6, Ex ia IIC T4 - T6
Output communication protocols: HART, PROFIBUS-PA, FF
Output function: linear, square root
Electromagnetic compatibility: according to EN 61326-1:2006
Degree of protection: IP67
Filling solution: silicone oil, fluorine oil, high temperature silicone oil
Basic diaphragm: 316L, Hastelloy C, tantalum, PFA coating, F46 coating, gold plating
Temperature: 15"C-25C (the allowable rate of large change of ambient temperature is 1"C/10min, but shall not exceed 3C/h);
Relative humidity: 45%——-75%:
Atmospheric pressure: 86kPa - 106kPa;
The power supply is 24VDC ±1%, and the ripple content is less than 0. 1%;
The load resistance is 2509 ± 0.02%;
Weight: DP, GP type approx. 3. 5kg (excluding accessories), TG, TA type about 1. 2kg (excluding accessories), the weight of LT, YDP, YGP, YTG, YTA type is related to the liquid level form, remote transmission form, size, pressure resistance level and other factors, capillary 0. 15kg/m.
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