Instruction Manual
DM04
9
Technical data
The technical data of customised versions may differ from the data in these instructions. Please observe the
information specified on the type plate.
9.1 Characteristics DM04
Type
DM04 DN 07
DM04 DN 10
DM04 DN 20
Measurement device characteristics
Measuring range
0.5…30 l/min
1…60 l/min
5…250 l/min
Accuracy *
1
(Frequency output)
±1.5% of reading ±0.3% of full scale value
Repeatability *
1
1%
Output signal starting from
~0.4 l/min
~0.9 l/min
~4 l/min
Response time
(frequency / fre ana-
logue)
< 500 ms / < 800 ms
Flow indication
LED green, flow proportional flashing
Output signal characteristics
Frequency output:
Pulse rate
optional*
2
1000 pulses/l
1…2000 pulses/l
500 pulses/l
1…1000 pulses/l
100 pulses/l
1…200 pulses/l
Resolution
optional*
2
1.0 ml/pulse
1000…0.5 ml/pulse
2.0 ml/pulse
1000…1 ml/pulse
10 ml/pulse
1000…5 ml/pulse
Signal shape
Square wave signal • duty cycle 50:50
Push-Pull • NPN open collector (o.c.) • PNP o.c.
Signal current
≤ 100 mA, current limited
Analogue output 4…20 mA (optional):
Signal current corresponding
flow of *
3
0…20 l/min
• 0…30 l/min
0…40 l/min
• 0…60 l/min
0…200 l/min
• 0…250 l/min
maximum load
250 Ω to GND
Analogue output 0…10 V (optional):
Signal voltage corresponding
flow of *
3
0…20 l/min
• 0…30 l/min
0…40 l/min
• 0…60 l/min
0…200 l/min
• 0…250 l/min
Electrical characteristics
Supply voltage
24 V
DC
±10%
Current consumption
≤ 150 mA
Electrical connection
5-pin plug M12x1
Degree of protection
(EN 60529)
IP 65 (with attached coupling socket)
*1 Test conditions: Water 23 °C at 150 ±100 µS/cm; Standard pulse rate.
*2 factory setting.
*3 other ranges on request.
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PKP Prozessmesstechnik • 08/2019