Specification - GF PF220 V2 Betriebsanleitung

Specification

Advanced diagnostics
LFF (ns/m/s)
Average Velocity (m/sec)
Average delta t (ns)
Reynolds Number
Roughness factor (mm)
Zero Flow Offset (m/sec)
Calibration factor
Separation distance (mm)
Solid time (μs)
Flow Side Temperature (°C)
Return Side Temperature (°C)
Sensor Set
Sensor Mode
Correction Factor
14 Specification
General
Measurement Method
Flow Range
Accuracy
Repeatability
Response Time
Selectable Flow Units
Selectable Total Volume Units
Total Volume
Menu Languages
62
Linear Flow Factor in nano seconds per metre per second.
A rolling average raw velocity over the last 25 seconds
A rolling average ∆T over the last 25 seconds
The calculated Reynolds number
The current roughness factor (always in mm)
The currently set zero flow offset velocity being used
The currently set user calibration
The computed separation distance (always in mm) as seen on the Sum-
mary screen before flow reading began.
The amount of time that the ultrasonic wave spends in solid materials.
The flow side temperature (if a Heat meter board is fitted)
The return side temperature (if a Heat meter board is
fitted)
The type of sensor
The current operating mode
The current correction factor
Transit time
0.1 m/s to 20 m/s
Pipe ID >75 mm
Pipe ID 13 mm to 75 mm
All pipe ID's
±0.5% of measured value or ±0.02 m/s whichever is the greater
< 500 ms depending on pipe diameter
Velocity m/sec, ft/sec.
Volume "l/s, l/min, l/h, gal/min, gal/h, USgals/min,
USgals/h, Barrel/h,
Barrel/day, m³/s, m³/min, m³/h"
liter, gallons, US gallons, Barrel, m³
12 digits
EN, DE, FR, RU, SWE, IT, SP, P, NO, DEN (user selectable)
Operating Instructions
±0.5% to ±2% of flow reading for flow
rate >0.2 m/s
±3% of flow reading for flow rate >0.2
m/s
±6% of flow reading for flow rate <0.2
m/s