Instruction manual
www.cs-instruments.com
37
Consumption
Option: Integrated data logger
 Automatic recording of the 
  compressed air consumption
 Quantifying of leakages,
  compressed air consumption in 
  production-free times, e. g. weekends
 Memory for 1 million measured values
Option: 2 additional sensor inputs
 For connection of pressure sensors, 
  temperature sensors, clamp-on 
 ammeters
  Sensors please see page 41
Technical data VA 400
Parameters:  m
3
/h Standard,
  acc. to DIN 1945, ISO 1217
  20°C, 1000 mbar
Adjustable via m
3
/h, m
3
/min, l/min, l/s,
DS 300:   ft/min, cfm, m/s,
 kg/h, kg/min
Meas. principle:  calorimetric measurement
Sensor:  2 x silicium chip
Meas. medium: air, gas
Gas types select.  air, nitrogen, argon,
via software: helium, CO2, oxygen
Meas. range:  see table page 34
Accuracy:  ± 4 % m.v.
  ± 3 % m.v. via 5 point
  ISO precision calibration
Operating temp.:  -30...+110°C probe tube
 -30...+80°C housing
Operating press.:  up to 50 bar
Analogue output: 4...20 mA
Burden:  < 500 Ohm
Pulse output:  1 pulse per m
3
Probe tube:  stainless steel 1.4301
Mounting thread: G 1/2”
Housing diameter: 65 mm
Technical data DS 300
Dimensions:   118 x 115 x 93 mm, IP 65 
 (wall housing)
  92 x 92 x 70 mm, IP 65
 (panel mounting)
Inputs:   2 digital inputs for
  VA 400 resp. FA 410
Interface: USB
Keypad:  4 keys
Power supply:  100-240 VAC, 50-60 Hz
Accuracy:   see VA 400
Alarm outputs:  2 relays, 230 VAC, 3 A
Operating temp.:  0...50 °C
Transport -20...70 °C
temperature:
OPTIONS
Data logger:   1 million meas. values
  start/stop time, meas.
  rate freely adjustable
RS 485 interface:  up to 32 x DS 300 
 connectable
  evaluation at the PC with
  CS Soft Network
2 additional  for connection of pressure
sensor inputs: sensors, temperature 
  sensors, clamp-on amme-
  ters, third-party sensors 
 with 4...20 mA, 0 bis 10 V, 
 Pt100
Description    Order no. 
Flow station DS 300 for installation into existing pipelines  
(diamater freely adjustable at DS 300): 
Flow station DS 300 consisting of:  0600 4005 
Multifunction measuring instrument DS 300 and consumption probe
VA 400 in basic version: Standard (92.7 m/s), probe length: 220 mm
Flow station DS 300 including measuring section (stainless steel)
Flow station DS 300 consisting of: 
Multifunction measuring instrument DS 300 and consumption probe VA 400 
in basic version: Standard (92.7 m/s), probe length: 220 mm incl. measuring 
section with ball valve made from stainless steel 1,4301; up to DN 65 (2 1/2”) 
with external thread, from DN 80 (3”) with flange according to DIN 2633
External thread  Pipe (outerø x wall thinkness)  Total length  Order no.
G 1/2”  21.3 x 2.6 mm  500 mm  0601 0261
G 3/4”  26.9 x 2.6 mm  600 mm  0601 0262
G 1”  33.7 x 3.2 mm  750 mm  0601 0263
G 1 1/4”  42.4 x 3.2 mm  900 mm  0601 0264
G 1 1/2”  48.3 x 3.2 mm  1000 mm  0601 0265
G 2”  60.3 x 3.6 mm  1250 mm  0601 0266
G 2 1/2”  76.1 x 3.6 mm  1500 mm  0601 0267
From DN 80 with flange DIN 2633     
DN 80/88.9  88.9 x 2.0 mm  1850 mm  0601 0268
DN 100/114.3  114.3 x 2.0 mm  2104 mm  0601 0269
DN 125/139.7  139.7 x 3.0 mm  2860 mm  0601 0270
DN 150/168.3  168.3 x 3.0 mm  3110 mm  0601 0271
Options for multifunction measuring instrument DS 300
Integrated data logger for 1 million measured values    Z500 3001
RS 485 interface for connection of up to 32 instruments DS 300  Z500 3002
2 additional sensor inputs for connection of pressure sensors, temperature
  Z500 3003
sensors, clamp-on ammeters, third-party sensors with 4...20 mA, 0...10 V, Pt 100
Ethernet interface      Z500 3005
Options for consumption probe VA 400
Max. version (185 m/s)    Z695 4003
High Speed version (224 m/s)    Z695 4002
Probe length 120 mm  ZSL 0120
Probe length 160 mm  ZSL 0160
Probe length 300 mm  ZSL 0300
Probe length 400 mm  ZSL 0400
Accessory
CSM-S for data evaluation in graphic and in table form including  0554 7011 
USB interface










