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Flow gauge Mass flow gauge DF-231BA

DF-231BA

Air Leak Testers
Helium/Hydrogen
Leak Testers
Pressure
Flow
Peripherals
Others
Sound/Vibration
Analyzer
Cosmo Super Gel

Highly responsive (99% response 300ms)
Mass Flow sensor

Flow gauge equips the highly responsive (99% response 300ms) Mass Flow sensor. Due to Mass Flow sensor characteristics, no need to correct temperature and pressure.

Edge & Function

Features

*With Mass Flow sensor equips, no need to correct temperature and pressure.

*Highly responsive sensor instantly measures the flow rate

*Multi-function display is ideal for various measurements

Function
The number of Channels 10 Channels available
Upper/Lower Limit 4 levels (HH, HI, LO, LL)
Zero Adjustment One-push zero adjusting method
Auto Zero Auto Zero button
Display Hold Hold button
Display Response Digital filter (High, Medium, Low)
RS-232C 1200, 9600, 19200bps switchable
BCD output Open collector
Display Digits 3.5 digits (1999) / 4.5 digits (19999)
Sampling Time 250ms/50ms switchable
User Span 0.001～9,999　(Default 1.000)

Spec

Flow range 500 mL/min
2, 5, 20, 50, 200, 500 L/min
Pressure media Air(*1) and specified gases(*2)
Accuracy F.S up to 20% ±3% of rdg　±1 digit
200,500L/min : ±5% of rdg　±1 digit
F.S 20% or less ±1% of rdg　±1 digit
Ambient temperature 0 to 50℃ (Accuracy is guaranteed only for +10 to 35℃)
Pressure Range ‘-70kPa to 1MPa
200,500L/min : -35kPa to 1MPa
Withstand Pressure 1.5MPa
Response Approx. 300ms/step response 99%
Pressure Loss Up to 2kPa
Pressure connection port 50mL/min or less : Rc(PT)1/4
200mL/min or more : Rc(PT)1/2
Power source 24VDC ±10%, 0.3A max (AC Adaptor is included)
Dimensions Display W140×H66×D172
Panel Cutting Cutting Size : W133xH61 mm

(*1)Provide a filter on the pressure inlet side of the sensor to prevent any mist or contaminants entry
(*2)Specified gases include argon, carbon dioxide, natural gas 13A, methane, propane and butane. That gas coefficient is specified but the accuracy is not guaranteed.

Classification

Model

DF-231BA－①②－③

(1) Flow Range (2) Option (3) Power Source
Code Measurement Range Display Code Description Code Description
500ML 0～500mL/min 000～500 F1 5V Analog Output VG AC adaptor, 100V cable 3m
2L 0～2L/min .000～1.999 F2 10V Analog Output VH AC adaptor, 240V cable 2m
5L 0～5L/min 0.00～5.00 VJ Without AC adaptor
20L 0～20L/min 0.00～19.99
50L 0～50L/min 00.0～50.0
200L 0～200L/min 00.0～199.9
500L 0～500L/min 000～500


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