Application
Electronic pressure measurement in industrial or HVAC applications such as hydraulic, pneumatic,
automation, heating or air conditioning.
Description
Pressure transducers convert physical pressure into an electrical signal proportional to the pressure.
DMU 01K is equipped with a piezo-resistive thick-film ceramic measuring cell.
Technical
specifications
Measuring accuracy
Deviation from the characteristic curve according
to IEC 60770 – limit point calibration (non-linearity,
hysteresis, repeatability): < ±1 % FSO
Measuring ranges
Relative pressure: 0/1.6 to 0/250 bar
Overpressure safety
At least 2 x FS
except for 250 bar: Overload max. 400 bar
(burst pressure at least 3 x FS)
Operating temperature range
Medium: -25/+125 °C
Ambient: -25/+85 °C
Storage: -40/+85 °C
Temperature error band
In compensated range
-25/+85 °C ≤ 0.5 % FSO/10 K (typ.)
Dynamic characteristics
Response time:
2-wire: ≤ 10 ms
3-wire: ≤ 3 ms
Process connection
G¼B, DIN 3852 type E
Material
Housing: Stainless steel 304
Pressure connection: Stainless steel 304
Diaphragm: Ceramic (Al 2 O 3 96 %)
Seal: FKM (Viton)
Supply voltage
2-wire DC 8–32 V
Output signal
4–20 mA, 2-wire
Load
2-wire: R max = [(U B – U Bmin ) / 0.02 A] Ω
Current input
4–20 mA < 25 mA
Electrical protection
Short circuit proof and protected against reverse
polarity
Electrical connection/degree of protection
Connector and junction box as per ISO 4400
(DIN 43650-A), IP 65
CE conformity
EMC Directive 2014/30/EU
RoHS Directive 2011/65/EU
Pressure Equipment Directive 2014/68/EU
Options
■ Fixed cable connection
■ Other output signals
■ Other connection threads
■ Output signal 0–10 V, 3-wire
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