PCE Instruments PCE-DDMU 10 Differential Pressure Meter

Measuring ranges

Adjustable by the user

Exit

3-wire switchable:
0 ... 10 V / 0 ... 20 mA
0 ... 5 V / 4 ... 20 mA

2-wire: 
4 ... 20-mA

Response time

<100 ms
Damping adjustable via potentiometer
0 ... 5000 ms

Long-term stability

≤ ± 1% FSO / year PN <6 mbar 
≤ ± 0.5% FSO / year for PN ≥ 6 mbar

Measuring rate

12.5 Hz

Switching output

For 3-wire version:
2 x 230V / 2A change-over relays

For 2-
Wire variant: 2 x PNP Open collector output

Temperature error

≤ ± 0.5% FSO / 10 K (typ.) For PN <6 mbar 
≤ ± 0.3% FSO / 10 K (typ.) For PN ≥ 6 mbar

Operating conditions

Medium: 0 ... 50°C / 32 ... 122°F
Environment: 0 ... 50°C / 32 ... 122°F

Storage conditions

-10 ... 70°C / 14 ... 158°F

Short circuit resistance

Permanent

Reverse polarity protection

No damage but no function 

EMC

EMC Directive:
2014/30 / EU  Emitted interference and Immunity to EN 61326

Pressure connection
Standard
Optional

Brass
Ø 6.6 x 11 (for flexible hoses with Ø 6)
Ø 4.4 x 10 (for flexible hoses with Ø 4)

Casing

SECTION

Sensor

Ceramic, silicon

Media contacting parts

Pressure connection, PVC / silicone, sensor

Display (optional)

2-line LC display Display accuracy
: 0.1% + 1 digit

Additional functions with display

- Parameterization of the switching outputs 
- Selection of the unit - Selection of 
the transfer characteristic (linear, radiated) 
- Cut-off function (radiated output signal)  - Min./max .
Value display 
- Recalibration 
- Autozero function
- Factory setting 

With automatic zeroing: 24 ... 32V

Current consumption

3-wire: 30-mA

2-wire: 22-mA

Weight

About 200 g / < 1 lb

Protection

IP 54

Dimensions

152 x 68.5 x 50 mm / 6 x 2.7 x 2 in