FLV-4620A-I

FLV-4620A-I is a FLR-4600A series water flow controller (min P = 5 Psig) with 4 to 20mA output. It uses two of best studied physical properties of liquids to measure flow: pressure and viscosity. Differential pressure measurement, across a laminar flow element, results in a flowmeter that is inherently linear. FLV-4600A series water flow controller utilizes a proportional valve coupled to a flowmeter body creating a unique in-situ closed-loop flow controller system. Measurements are taken within laminar region of the flow meter and the integral PID controller positions the valve according to the flow set points. Independent of the set point voltages, controllers can be configured for single or dual output of the same or different voltages and/or different parameters such as temperature and flow. This is possible because of our laminar flowmeter design that incorporates solid-state differential and temperature sensors on standard model to determine flow in an inherently linear system.

• 1 ⁄8 FNPT connection
• 0.02 to 1LPM maximum flow
• ±2% FS accuracy, ±2% FS repeatability
• 100ms response time
• 250mA typical supply current
• 12 to 30Vdc, 0.250A supply voltage
• 8-pin circular mini DIN electrical connection
• Turndown ratio of 50:1
• Operating temperature range from 10 to 50°C

Contents

Water flow controller, 24VDC universal power supply, 1.8m (6') cable, 8-pin male mini-DIN connector, Operator’s manual, and NIST certificate.