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Flow gauge Mass flow gauge DF-231BA

DF-231BA

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 F.S. ±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
Documents Traceability documents, Operation manual

(*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(A.BC.D)

A, B and D in the model notation are mandatory.

A Flow Range 500ML 0 ~ 500 mL/min (Display: 000 ~ 500)
2L 0 ~ 2 L/min (Display: .000 ~ 1.999)
5L 0 ~ 5 L/min (Display: 0.00 ~ 5.00)
20L 0 ~ 20 L/min (Display: 0.00 ~ 19.99)
50L 0 ~ 50 L/min (Display: 00.0 ~ 50.0)
200L 0 ~ 200 L/min (Display: 00.0 ~ 199.0)
500L 0 ~ 500 L/min (Display: 000 ~ 500)
B DPS Cable Length D3 3 m (Standard)
D5 5 m
D10 10 m
C Option Analog Output F1 F.S. 5 V
F2 F.S. 10 V
Interface *1 Q1 Input 5 V
D Power With A/C Adaptor

(Standard)
VG 100 VAC cable 3 m
VH 240 VAC cable 2 m
VK 240 VAC cable 2 m (Only for Chinese customers)
Without A/C Adaptor VJ External 24 VDC is required.

*1 Standard input is 24 V.



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