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Hot Keywords:Pressuresensor Pressure transmitter level sensor Temperature sensor
PT500-601TS
Model:PT500-601TS
Precision stable silicon piezoresistive core body;
The principle of hydrostatic level measurement;
Fully sealed and welded structure, IP68 sealed waterproof electrical outlet;
Stainless steel shell + explosion-proof cast aluminum 2088 connection shell, 2-7-core liquid level cable with air duct;
High precision, stable, digital amplifier circuit;
Four digit indicator with adjustable decimal; meter sampling rate: 10times/s
4-20mA/RS485 output optional;
Zero point, fullness, temperature compensation and linear compensation;

Common keywords:
Digital liquid level transmitter digital liquid level sensor
Digital water level sensor digital oil level sensor
Digital level transmitter digital water level meter
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  • Product parameters
  • Specification parameter
  • Ordering considerations
  • Precautions for use
  • Common problem
  • Proposal


Chip:
Imported silicon piezoresistive core body;
The selected mounting process has zero point, full range compensation and temperature compensation;
Principle of hydrostatic level / water level measurement;
Fully sealed and welded structure, IP68 sealed waterproof electrical outlet;

Signal processing and output:
24 bit ADC sampling and processing chip;
DSP digital signal conditioning algorithm;
Multipoint linear temperature calibration;
Voltage and current overload protection;
Four digit indicator with adjustable decimal; meter sampling rate: 10 times / s
Standard industrial signal output: 4-20mA (two-wire system);

Digital communication signal output: rs485-rtu, ultra-low power rs485-rtu
Advanced 32 bit microprocessor and 24 bit ADC are adopted
The transmission protocol is MODBUS-RTU
Support baud rate: 1200 ~ 57600bps, check bits: none, odd, even
Support the user's secondary calibration, reset, anti reset, restore factory operations
Support 11 kinds of units switching, support floating point, integer, percentage, formatted output
The acquisition interval of 0 ~ 43200 seconds (12 hours) can be set, which can not only meet the needs of high-speed acquisition, but also trigger acquisition once to minimize power consumption

Structure:
Compact structure, full sealing and welding structure;
IP68 sealed waterproof electrical outlet;
Stainless steel shell + explosion-proof cast aluminum 2088 connection shell, 2-7-core liquid level cable with air duct;

Application:
Water level measurement and monitoring of groundwater, well, pool, pool, water tank and water tower;
Water level measurement and monitoring of rivers, dams, hydropower stations, reservoirs, fire fighting, urban waterlogging, etc;
Oil level measurement and monitoring of oil tank, oil well, oil depot, etc;



Application fields:

  • Water level measurement and monitoring of tunnel and Bridge

  • Water level measurement and monitoring of fire wells and pools

  • Monitoring of urban waterlogging water level

  • Water tank

  • Reservoir dam

  • Groundwater level

Technical parameters
Measuring medium: water, oil and other liquids
Pressure form: gauge pressure (static pressure)
Range: 0 ～ 500mmH2O～ 100mH2O;
The minimum range is 0.5 m water level height, and the maximum range is 100 m water level high
Comprehensive accuracy: ± 0.25% FS; ± 0.5% FS; ± 1% FS
Nonlinearity: ≤ 0.25% FS
Repeatability: ≤ 0.1% FS
Output signal: 4-20mA two-wire system;
               RS485-RTU；
               4 ～ 20mA + rs485-rtu dual output
               Four digit display, display range: - 1999 - 9999
               Sampling rate of pressure gauge: 10 times / S
Power supply voltage: 24 VDC (9 ～ 30 VDC)
Insulation impedance: ≥ 1000 m Ω / 100VDC
Load impedance: current output: ≤ 800 Ω;
Digital output address: 1 ~ 128
RS485 baud rate: 9600 (factory default) 1200 ~ 115200 (BPS)
Medium / ambient temperature: - 20 ～ 80 ℃
Compensation temperature: 0 ～ 70 ℃
Overload pressure: 150% FS
Stability: ≤± 0.15% FS / year
Vibration effect: ≤± 0.15% FS / year (mechanical vibration frequency 20Hz ~ 1000Hz)
Failure pressure: 3 times of measuring range (less than 350Mpa); 2 times of measuring range (measuring range greater than 400MPa)
Electrical connection: water proof tight wire nut directly leads out, matching explosion-proof 2088 shell electrical connection
Protection grade: IP68
Connecting cable: 2-7 core liquid level cable with air duct
Connection material: 304 / 316L











Precautions for ordering PT500-601T input liquid level transmitter

1. Product range selection:
In order to achieve the best effect of product accuracy, service life, stability and other functions, the range selection of the product
Select the following formula for calculation:
Range = x (1.2-1.5) times of the maximum system pressure;
The actual measuring pressure range of the product should be 15% - 80% of the range;

2. Product power supply and output:
The selection of power supply range is determined according to the output specifications of the product:
Conventional 4-20mA / 0-20mA, 0-5V / 10V output, DC 12-30vdc power supply;
General rs485-rtu output, DC 12-30vdc power supply;
0.5-4.5vdc output, DC 5VDC;
Low power rs485-rtu output, DC 3.1-6.1vdc;
When output rs485-rtu, please understand the communication protocol first;

3. The user should understand the measurement medium characteristics of the product:
Medium specification, medium temperature, medium purity (whether containing impurities or particles, etc.);

4. Users should understand the installation environment and installation method of the product:
Indoor or outdoor installation;
Ambient temperature;
Required sealing level;
Vibration range of equipment;
Whether the installation space meets the overall dimension of the product;
Precautions for PT500-601T input liquid level transmitter
Please refer to the product certificate and instructions for power supply. Different output modes and different power supply voltages are required;
It is strictly forbidden to use hard objects (such as: screwdrivers, fingers, nails, etc.) to make the pressure measurement output of the pressure core body;
The power supply and signal lines shall be correctly connected according to the product specifications;
When the product is installed and used, protect the cable air duct, which is strictly prohibited from water entering or blocking;
It is strictly prohibited that the medium temperature, pressure range and excitation voltage of the measured system exceed the rated range of the transmitter;
Pay attention to protect the outgoing cable of transmitter. When the span is too large, it is recommended to use metal tube for protection or overhead;
When measuring the water level of wells, groundwater, rivers and reservoirs, pay attention to the input position of sensors to avoid the height of sludge;
For a large range of water level products, when the cable length is more than 30 meters, the liquid level transformer can not be directly pulled by the cable;
When measuring the water level with rapid water flow, the liquid level transmitter is installed along with the limit pipe to ensure that the product does not float;
In order to reduce the information interference and ensure the measurement accuracy, the installation position of the transmitter should avoid the equipment with large magnetic field change and radiation as far as possible, such as motor, submersible pump, high-voltage cable, etc;
Field installation transmitter, add lightning rod and other protective devices;

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