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Model: PT500-561
Inlet pressure core body;
High precision, stable, digital amplifier circuit;
Low power RS485 modbus-tru digital communication output
32 bit microprocessor and 24 bit ADC, low power os technology;
The standby current is less than 50ua and the acquisition current is less than 2mA;

Common keywords:
Low power digital pressure transmitter low power pressure sensor
RS485 communication pressure transmitter RS485 digital pressure sensor
Digital pressure transmitter Modbus protocol pressure transmitter

Chip:
Imported brand pressure sensitive chip wafer;
Selected chip technology and full sealed package;

Signal processing and output:
High precision, stable, digital circuit, low power rs485-tru communication;
The standby current is less than 50ua and the acquisition current is less than 2mA;
Zero point, fullness, temperature compensation and linear compensation;
32 bit microprocessor and 24 bit ADC, low power OS and curve fitting technology;
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;
Industrial and design, suitable for DCS system, configuration software, PLC system;

Structure:
Compact structure, full seal welding structure, impact resistance, fatigue resistance, high reliability, a variety of process connection mode
Process connection material, 304 / 316;
Electrical connection: din43650 hesman standard electrical connector;
Supporting standard four core shielded cable;

Application:
Pipeline water pressure and pressure measurement of hydraulic equipment
Pressure measurement of hydraulic system pipeline and hydraulic equipment
Pressure monitoring of water supply network in smart city
Intelligent fire water pressure monitoring
Pressure measurement in other fields of civil / industrial automation

Technical parameters
Measuring medium: liquid and gas (compatible with connecting materials of product process)
Pressure form: gauge pressure, absolute pressure
Range: 0 ～ 0.6 ～ 60MPa
       -0.1～0～0.6～5MPa
       -100KPa～10KPa～40MPa
       ±10KPa～±100KPa
Comprehensive accuracy: ± 0.25% FS; ± 0.5% FS; ± 1% FS
Nonlinearity: ≤ 0.25% FS
Repeatability: ≤ 0.1% FS
Output signal: low power RS485 MODBUS-RTU digital communication
 The standby current is less than 50ua and the acquisition current is less than 2mA
Power supply voltage: 24VDC (9-30vdc)
Insulation impedance: ≥ 1000m Ω / 100VDC
Medium temperature: - 20-80 ℃
Ambient temperature: - 20 ～ 70 ℃
Compensation temperature: 0 ～ 70 ℃
Response time: ≤ 5ms
Overload pressure: 150% FS
Failure pressure: 5 times of range (range less than 5MPa); 3 times of range (range greater than 5MPa)
Electrical connection: Hersman (din43650)
Protection grade: IP65
Connecting cable: four core shielded cable, standard length: 3M
Connection material: 304 / 316L
Process connection: m20x1.5, G1 / 2, G1 / 4, ZG1 / 4, 1 / 4NPT, ZG1 / 2, G3 / 8, m12x1.5