نام محصول:
تنظیم کننده جریان جرم حرارتی
نام انگلیسی:
Thermal mass flow regulator MV-306
برند:
Mass Flow ONLINE BV
مشخصات:
Direct thermal mass flow measurement
High accuracy
10 pre-installed gases
Bright, graphical OLED display
Digital or analog output; alarm and counter functions
High precision needle valve
Features
Clear indication in:
– actual flow rate (bar graph and value)
– desired flow units
– type of gas
– totalised flow
Bright, wide-angle OLED display
Free of parallax error
Virtually independent of temperature and
pressure variations
Low pressure drop
Wide flow ranges
Fast response
High accuracy
Configurable password protection
Alarm and counter functions
Relays
Multi Gas / Multi Range
10 Pre-installed gases
High resolution needle valve
Digitally calibrated
Free software tools
Technical specifications
Accuracy
± 2% RD for flow > 50% of max. capacity
± (1% RD + 0.5% FS) on lower flows
Technical specifications are based on Air at maximum FS
Repeatability
< 0.2% FS typical
Pressure coefficient
0.2% / bar typical at Air
Pre-installed gases
Air, N2, O2, CO2, CO, N2O, Ar, CH4, C3H8 and C4H10
Standard calibration gas
Air, other gases are converted using our Fluidat® conversion model which will introduce extra inaccuracy
Rangeability
up to 1:100
Response time (sensor)
(t63%) 2 seconds
Operating temperature
0 … 50 °C (32 … 122°F)
Temperature coefficient
Zero: <0.1%FS/°C, Span: <0.2%RD/°C
Leak integrity, outboard
tested < 2 x 10-9 mbar l/s He
Attitude sensitivity
< 0,1 % FS
Mechanical parts
Material (wetted parts)
Meter: aluminium, Viton® (FPM)
Needle Valve: SS316, Viton, PTFE
Process connections
G 1/4" BSPP female
(compression fittings optional)
Seals
Viton®, PTFE
Weight
0.7 kg
Electrical properties
Power supply
+15 … 24 Vdc (+/- 10%)
Max. power consumption
approx. 135 mA
توضیحات:
Technology
thermal mass
Fluid
for gas
Other characteristics
precision, digital, analog
Output
analog
Flow rate
Max.: 200 l/min(52.83441 us gal/min)Min.: 0.4 l/min(0.10567 us gal/min)
Pressure
Max.: 10 bar(145 psi)Min.: 0 bar(0 psi)
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