Measuring accuracy
Deviation from the characteristic curve according to IEC 60770 – limit point calibration (non-linearity, hysteresis, repeatability)
≤ ± 1 % FSO (BFSL)
Display
4-digit, red 7-segment, LED display,
Character height 7 mm,
Range -1,999/+9,999,
Accuracy 0.1 % ± 1 digit,
Digital damping 0.3/30 s (programmable),
Display housing can be rotated by 330°
Adjustment possibilities
Turn down 1:10
Reference point for switching and analogue output selectable on + connection, - connection or differential pressure
Measuring range
See ordering table
Application area
The maximum pressure in the system (maximum static pressure, one end) must not exceed the full scale value (FS).
Operating temperature range
Medium:
-40/+125 °C
Ambient:
-25/+85 °C
Storage:
-40/+85 °C
Process connection
G½B (DIN 3852, both pressure connections rotatable by 300°)
Material
Housing:
Plastic (PA 6.6, polycarbonate)
Diaphragm:
Stainless steel 316 L
Pressure connection:
Stainless steel 316 L
Seal:
FKM
Wetted parts
Diaphragm, pressure connection, Seal
Supply voltage
DC 24 V ± 10 %
Output signal
3-wire, 4–20 mA
Switching output
1 open collector (PNP), max. 125 mA
Status indication via LED
On/off delay 0 to 100 s
Repeatability: ≤ ± 0.5% FSO
Load
500 Ω
Electrical protection
Short circuit proof and protected against reverse polarity
Electrical connection
Connector M12 x 1, 5-pin
Degree of protection
IP 65 (EN 60529)
CE conformity
EMC Directive 2014/30/EU
RoHS Directive 2011/65/EU
Pressure Equipment Directive 2014/68/EU
Scope of delivery
-
Pressure transducer DMU 21 D
-
Mounting bracket
-
2 screws