DF-231BA Flow Gauges

High responsiveness
Mass flow

Flowmeter using a mass flow sensor for gas with high responsiveness (99% response: 300 ms).
Mass flow detection displays the flow under standard conditions without the need for temperature or pressure compensation.
Multi-function indicator is ideal for various measurements.

Basic Specs.

Pressure range	-70 kPa to 1 MPa 200, 500 L/min: -35 kPa to 1 MPa
Flow range	500 mL/min to 500 L/min
Power source voltage	24 VDC ±10%, 0.3 A max
Ambient temperature	0 to +50℃ (accuracy guaranteed from +10 to +35℃)
External dimensions	W140 x D172 x H66 (Display)
Panel cut	Cutting dimensions: W133 x H61

Features / Functions

Features

Mass flow sensor eliminates the need for temperature and pressure compensation.
The highly responsive sensor captures instantaneous flow.
Multi-functional indicator for various types of measurements.

Functions

Number of channels	10 channels
Upper and lower limit settings	4 settings: HH, HI, LO, LL
Sensor Zero	One-push zero adjustment
Auto-zero	Auto-zero button
Display hold	Hold button
Indicator response	Digital Filter (High, Medium, Low)
RS-232C	1200, 9600 and 19200 bps switchable
BCD output	Open collector
Display digits	3.5 digits (1999) / 4.5 digits (19999) switchable
Sampling time	250 ms / 50 ms switchable
User span	0.001 to 9.999 (Default: 1.000)