Flow Temperature Pressure Integrated Sensor NK500

Principle Features

• Liquid crystal display on-site instantaneous flow, cumulative flow andtemperature, pressure information
• 3 groups of 4-20mA analog signal output; 3 groups of alarm points forflow, temperature and pressure
• Support digital output, RS485
• Can monitor gas, liquid
• Not affected by pipeline static pressure
• Simple structure, no moving parts
• Easy installation, no on-site calibration and debugging,maintenance-free

Applications

• Cooling water, circulating water, labyrinth seal, critical water flowmonitoring
• Cooling, lubrication, hydraulic oil circuit system flow monitoring
• Flow monitoring of organic and inorganic solutions-Steam flow monitoring, high and low temperature measurement, can becustomized
• Gas (oxygen, nitrogen, ammonia, natural gas, etc.) flowmonitoring
• Antifreeze protection, sprinkler system, sewage protection, etc.
• Built-in fuel consumption compensation function, accurate monitoring

Technical parameter

• Flow range: Liquid: 0.4-25,000 L/min, depending on the pipe size. Please refer to the flow range table for specific standard flow rates. Gas: Calculated according to specific application
• Pressure range: 0-1.0Mpa
• Temperature range: -20…80℃
• Accuracy: <±2%F.S (flow), <±0.5%F.S (pressure), <±1℃ (temperature)
• Repeatability: < 2%, actual flow
• Wetted material: Alumina/SUS304 (stainless steel)
• Pressure level: 1.0Mpa (high pressure customized 1.6Mpa or 2.5Mpa)
• Ambient temperature: -10…65℃
• Medium temperature: -20…80℃ (high temperature customization -40…350℃)
• Process connection: Thread type: G1/2-G2 Flange connection: DN15-DN250 (GB9119-2000)
• Power supply: 18-30VDC
• Digital display: OLED LCD screen (1-1/2′)
• Linearization: 5-point flow linear curve
• Alarm contacts: 3 independent alarm switches, which can be set by the user within the full range. Switching capacity, 24VDC/400mA
• Signal output:Three-wire system 4-20mA, linear relationship with flow/pressure/temperature, can be set arbitrarily within the user range,Maximum 500Ω, pulse frequency can be customized, maximum 1 kHz, user can set,For example 1 pulse/liter or 1 liter/pulse can be customized RS485