【Guangzhou Zhongxin Automation Technology Co., Ltd】Professional supplyNobel, USAbrandAST-3P series weight transmitter, (AST-3P weight transmitter_United StatesNobelWeight transmitter）Ensure fast delivery time, 100% original import, and strive to become the top brand for sensor sales in China.
1、 AST-3P transmitter product introductionAST 3P is a high-performance transmitter installed on DIN rails, designed specifically for strain gauge sensor applications. It converts the output of the connected weighing sensor into a very stable signal, suitable for PC or PLC based control systems. AST 3P is typically used to display data or local displays required for front panel settings. By using the deltaCOM program on the front panel or through a standard PC running under Windows 95/98/2000/NT4/ME/XP, setup and calibration programs can be easily executed.
All setting data can be stored in the host and loaded when replacing the transmitter (a complete deltaCOM version is required).
The transmitter is equipped with two relay outputs with a response time of less than 20 milliseconds. For high-precision liquid level control applications.
The unique patented A/D converter has high resolution and stability, making it the core of the transmitter. This advanced technology provides analog and serial outputs that can be adjusted to provide users with accurate, stable, and responsive measurement information.
The AST 3P is compatible with other instruments in the Nobel program and can communicate with the general process control host PC/PLC through the standard RS-485/MODBUS RTU protocol.
Fieldbus communication can be achieved through the GATE 3S module of Nobel.
The transmitter is CE marked and fully complies with EMC and low-voltage directives.
2、 Actual photo of AST-3P transmitter
3、 Performance characteristics of AST-3P transmitter◆ Aluminum rail installation, high-performance transmitter
◆ Peeling, gross/net weight, and zero function
◆ Fieldbus: Profibus DP
Analog output ± 10VDC, 0-20mA or 4-20mA
◆ Serial communication: RS-485 Modbus RTU communication protocol
Internal Analysis> eight million
◆ Relay output, liquid level or set point control
Patented A/D converter4、 Technical parameters of AST-3P transmitterResolution: 8300000 counts
Conversion speed: 0.5 to 300Hz with an accuracy of 0.015%
Full range: ± 3.3mv/v
Non linearity:<0.005% usage range
Excitation voltage: 8.8vdc to 5.5VDC 1 to 8
350 ohm sensor, isolated at 500V, with 8 cells loaded at 350 ohms (total load greater than 45 ohms, 0.05 FIR filter at 75Hz,
Selectable bandwidth
Offset, drift: less than 0.04 µ V/° C
Gain drift: ＜ 0.0015%
Calibrate the MethodsData table, table weight
Working temperature: -10 ° C to 50 ° C
Storage temperature: -25 ° C to 85 ° C
Display type and size: 2 × 16 character LCD display with backlight
Keyboard: Menu control and data input with 4 buttons
Power supply: voltage 24VDC ± 20%, power consumption 7W
Accuracy 0.04%
Non linearity<0.01%
Gain drift of 0.003% of full scale/°
Voltage: 0-10 or ± 10VDC
Load data minimum 500 ohms
Zero drift:< 0.35mv/° C
Analog output: ± 20mA, 0-20mA, 4-20mA or -15mA
Load data: maximum 500 ohms
Zero drift: less than 0.7 µ/° C
Digital input, input to 2 computers (option)
Type and load 24VDC, 6mA
Relay output
Digital 2 personal computers (each switch pack)
Load up to 1A, 30V DC or AC
Communication interface: RS-485 interface (two or four wire), isolated 500V protocol Modbus RTU or ASCII
Transmission rate: up to 115.2Hz
Control communication function: (Modbus RTU) or external display (ASCII code)
Dimensions: 75 x 100 x 110mm (H x W x D)
Extended Reading
1. Brand Introduction
On October 27, 2009, Weishi Semiconductor announced that its measurement business would be spun off into an independent, publicly traded company named Weishi Precision Group. Weishi Precision Group ("VPG") is a designer, manufacturer, and marketer of sensors, weighing modules, and weighing system accuracy. Weishi Group designs and manufactures industry-leading and innovative solutions for process weighing and measurement systems for various applications through its brands BLH and Nobel weighing systems.
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