ambulatory mediums in low, normal or high temperature condition
Packaging & Delivery
Carton or wooden case
asphalt flow meter
Diameter :15~2000mm or bigger.
High and low temperature, -196~+600 Degree.
High pressure : 0~42
SBL-Target flow meter for asphalt flow meter l Measurement flow of liquid, gas, steam, ropy mediums or ambulatory mediums in low, normal or high temperature condition.
l Total quantity measurement accuracy is not less than 0.2%.
l High sensitivity, able to measure very low velocity below 0.8m/s.
l No movable part, safe and reliable.
l Wide measure range, bigger than 1:30.
l Good repeatability, generally 0.05~0.08% , fast to measure.
l Small pressure loss, only about 1/2P of Standard Hole Board.
l Able to adopt hang weight method to test the flow meter.
l Measurement range can be changed by replacing target according to need.
l 4-20mA, 0-10V, impulse, and RS485 outputs.
l Easy installation and maintain.
l Anti-interfere, anti-acid, anti-alkaline,anti-impurity
2. Structure and operating principle
SBL flowmeter mainly consists of measurement tube (casing), stress element (target plate), sensing elements (force transducer, pressure transducer and temperature transducer), transition part (adjusted according to temperature and pressure), and accumulation calculation, display and output part. Refer to the following figure for the structure:
When flow medium flows through measure tube, a pressure will force on the target because of the flow kinetic energy. It is known that the pressure value forcing on the target can be expressed as
F — Pressure on the target
CD — Damp index
A — Area of target on axial projection to measure tube
P — Medium density
U — Mean velocity of medium
3 Index and Display
1) Main indexes
Liquid,Gas and Steam
-196°C~+600°C ( Confirming the temperature range before purchase)
Temperature compensation; Pressure compensation
3.6V lithium battery, 24V DC
LCD display, and 4~20mA, 1~5V, impulse or RS485 (Optional)
Carbon Steel;s.s.304;s.s.316L; Being able to provide other according to user requests
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