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PTB type intelligent flow totalometer
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Classification:
Flowmeter Series
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PTB type intelligent flow totalometer
PTB type flow totalometer is an intelligent programmable instrument. The instrument can accept the flow sensor signal with pulse signal output or analog current signal output, and is equipped with a pressure transmitter and a temperature transmitter to form a high-precision flow measurement system. With the support of the instrument software, the online temperature and pressure compensation operation can be carried out on the measured medium to improve the measurement accuracy. The instrument provides more than 20 working modes, which can display the accumulated mass flow, standard condition volume flow or working condition volume flow, as well as the temperature, pressure, instantaneous flow, density, frequency and other parameters of the measured medium. The instrument is programmed to set parameters and cumulative flow values without loss for a long time. The instrument has anti-theft function. Automatic recording and display of the number of parameter modifications in use, cumulative outage time or outage times.
Technical advantages
It can cooperate with the radio to form a wireless network, realize wireless telemetry, and obtain the instantaneous flow, cumulative flow, temperature, pressure, power-down time and other parameters of different measurement points with different geographical distribution in time; it can also cooperate with the modem, and the company is responsible for the construction of the whole system.
Using the original way of external input parameters, can be charged plug, friendly man-machine interface, easy to operate.
It has two display modes of digital and analog, which can meet the needs of users.
In order to improve the reliability of digital communication, a dual-CPU structure is adopted, and the original data buffer technology is used between the two CPUs, and the communication tasks are managed by a dedicated CPU.
Technical performance of PTB type flow totalometer
Power supply: 220VAC,50Hz;
Opening size of upper plate: width × height = 152 × 76;
Working environment: temperature -30~50 ℃;
Relative humidity: ≤ 90%;
Signal input:
Flow signal: power supply 24VDC or 12VDC, pulse signal 1-5000Hz input, or power supply 24VDC,4-20mA input;
Pressure signal: supply power 24VDC,4-20mA input; Temperature signal: supply power 24VDC,4-20mA input, or three-wire system, thermal resistance or thermocouple input;
Signal output: 4-20mA standard signal;
Display: instantaneous flow, cumulative flow, temperature, pressure or frequency and power-down time;
Communication interface: RS-232 or RS-485 interface;
It is suitable for flow totaling of various flow sensors.
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