Foshan puliang Electronic Co., Ltd

Product description of strain type pressure transmitter:

Model: PT500-805

The minimum pressure difference is 100Pa;
3-5 times withstand voltage, suitable for dry gas differential pressure / gauge pressure measurement;
High precision, stable, digital calibration adjustment, amplifier integrated circuit;
Four LED display meter, adjustable decimal places; Sampling rate of meter head: 10 times / S;
Zero, full, temperature compensation, linear compensation;
Aluminum alloy oxidation shell; 8mm + m10quick plug process connection;

Common keywords:
Digital differential pressure transmitter digital differential pressure sensor
Digital differential pressure transducer
Micro differential pressure transducer

Chip:
The minimum pressure difference is 100Pa;
3-5 times withstand voltage, suitable for dry gas differential pressure measurement;
Zero, full, temperature compensation, linear compensation;
High impedance, high precision and high stability;
More than 1 million times of service life;

Signal processing and output:
24 bit ADC sampling and processing chip;
DSP digital signal conditioning algorithm;
Multipoint line temperature calibration;
Voltage and current overload protection;
Standard industrial signal output: 4-20mA (two wire system), 0-20mA (three wire system), 0-5vdc, 0-10vdc, 0.5-4.5vdc (three wire system);
Four LED display meter, adjustable decimal places; Sampling rate of meter head: 10 times / S;

Digital communication signal output: rs485-rtu
Advanced 32bit microprocessor and 24bit ADC are adopted
The general MODBUS-RTU protocol is used as the transmission protocol
Baud rate: 1200 ~ 57600bps, check bits: none, odd, even
Support the user's secondary calibration, reset, anti reset, restore factory and other operations
Support 11 kinds of unit switching, support floating-point, integer, percentage, formatted output

Structure:
Aluminum alloy oxidation shell; 8mm + m10quick plug process connection;
The structure is small, the tightening nut is waterproof, and the outlet is electrically connected;
Supporting four / five core shielded cable;

Application:
Pressure measurement and monitoring of furnace negative pressure, dust-free workshop, Department, etc;
Pressure measurement and monitoring of front and back end of filter net, building, ventilation, etc;
Pressure measurement and monitoring of dust collection pipeline, waste gas treatment, etc;

Application fields:

Intelligent fire control
Smart city
Natural gas pipeline
Air supply system

Product family:

Specification parameter

Measuring medium: dry gas
Pressure type: differential pressure / gauge pressure
Range:
0～100、200、300、500、1000（Pa）；
0～1、2、3、5、10、20、30、40、50、70、100（KPa）；
-100KPa～-10KPa～0～100（KPa）；
±500Pa～±100KPa；

Static pressure: 3-5 times of the range
Comprehensive accuracy: ± 0.25% FS; ±0.5%FS； ±1%FS
Nonlinear: ≤ 0.5% FS
Repeatability: ≤ 0.25% FS
Output signal:
Current mode: 4 ～ 20mA two wire system;
Voltage type: 0 ～ 5VDC, 0 ～ 10VDC three wire system
Digital type: rs485-rtu
Hybrid: rs485-rtu + 4 ～ 20mA
Four LED display, display range: - 1999 ~ 9999, sampling rate: 10 times / s

Power supply voltage: 24 VDC (9 ~ 30 VDC)
Service life: ≥ 1 million times
Insulation impedance: ≥ 1000 m Ω / 100VDC

Load impedance: current output: ≤ 800 Ω; Voltage output: ≥ 50K Ω
Medium temperature: - 20 ~ 70 ℃/
Ambient temperature: - 20 ~ 70 ℃
Compensation temperature: 0 ~ 60 ℃
Response time: ≤ 3MS
Overload pressure: 150% FS
Failure pressure: 3 times of the measuring range (the measuring range is less than 40MPa); 2 times of measuring range (measuring range greater than 41mpa)
Electrical connection: Waterproof tight wire nut direct outlet, supporting explosion-proof electrical connection
Protection grade: IP65 / IP68
Connecting cable: tightening nut, standard length: 3M
Connection material: aluminum alloy

Process connection: φ 8 quick plug + m10thread (general)... User can make specification

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