NIVELCO NIPRESS DD-400 User Manual Download Page 5

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3. TECHNICAL SPECIFICATION 

 

 

Type

 

DD

–4

5–

 

Measuring range 

0–70 bar (0–1015 psi) (per order code) 

Overload tolerance 

Per order code 

Accuracy 

2 % 

Medium temperature 

40°C…+125°C (

40°F…+257°F) 

Ambient temperature 

25°C…+85°C (

13°F…+185°F) 

Materials of the wetted parts 

Sensor 

Stainless steel 1.4435 (316L) (2 pcs) 

Sensor seal 

FKM 

Process connection 

Stainless steel 1.4404 (316L) 

Housing 

PA 6.6, Polycarbonate 

Output 

4…20 mA (3-wire), 1 or 2 PNP switching output 

Switching output 

Short circuit protected PNP output (max.: 125 mA) 

Adjustable switching delay between 0...100 mp 

Power supply (U

Supply

24V DC ±10% 

Load resistance 

500 

 

Display 

4-digit (7 mm), red LED display;  

Range of indication: 

1999…+9999;  

Accuracy: 0.1% ±1 digit;  

Damping: 0.3–30 sec (adjustable) 

Process connection 

Per order code 

Electrical connection 

M12x1 (5-pin, metal) 

Ingress protection 

IP65 (M12x1) 

Electrical protection 

Class III (SELV) 

Weight 

~ 0.35 kg (0.77 lbs) 

 

Summary of Contents for NIPRESS DD-400

Page 1: ...ddc4f52a0600p_01 1 17...

Page 2: ...ddc4f52a0600p_01 2 17...

Page 3: ...AFE USE 6 4 INSTALLATION 7 4 1 INSTALLATION INSTRUCTION 7 5 WIRING 8 5 1 EXAMPLES OF ARRANGEMENTS 8 6 PROGRAMMING 9 6 1 CONFIGURATION 9 6 2 PASSWORD SYSTEM 9 6 3 CONFIGURATION EXAMPLE OF THE ANALOGUE...

Page 4: ...transmitters are suitable for the measurement of pressure difference between gases and fluids in the 0 70 bar 0 1015 psi pressure range 2 ORDER CODE NOT ALL COMBINATIONS POSSIBLE NIPRESS D D 4 5 Meas...

Page 5: ...ainless steel 1 4404 316L Housing PA 6 6 Polycarbonate Output 4 20 mA 3 wire 1 or 2 PNP switching output Switching output Short circuit protected PNP output max 125 mA Adjustable switching delay betwe...

Page 6: ...L CONDITIONS OF SAFE USE Make sure the installation is complete with no visible defects before turning on the device The device may only be used within the limitations specified in the technical speci...

Page 7: ...housing is grounded to suppress electronic noise If the grounding of the device is correct no further grounding is needed otherwise the instrument must be grounded Positioning the display The display...

Page 8: ...d and twisted multicore cable for the electrical connection Wiring diagram M12x1 5 pin metal pin configuration Electrical connection M12x1 5 pin Power supply 1 Power supply 3 3 wire signal 2 Switching...

Page 9: ...he two buttons simultaneously pressing both buttons at the same time changes between display mode and configuration mode and confirms the menu items and values When setting the values the counting spe...

Page 10: ...log signal 0 bar 0 psi 4 00 mA 3 bar 43 5 psi 12 00 mA 6 bar 87 psi 20 mA If the value is changed from 0 to 1 in ZP and the EP value from 6 to 5 the output signal changes as follows 1 bar 14 5 psi 4 0...

Page 11: ...ddc4f52a0600p_01 11 17 6 5 STRUCTURE OF THE MENU SYSTEM...

Page 12: ...signal s value Menu 7 Excess value message Set On or Off Menu 8 Switch output selector S1 P1 P2 the switching point reacts to the static pressure at the appropriate input or DIFF difference pressure...

Page 13: ...al to the analog output if P1 or P2 is selected the analog output follows the static pressure on the suitable input By the setting DIFA DIFB and DIFC the analog output follows the calculated differenc...

Page 14: ...ll scale differs from the real full scale value in the application compensation is only possible with an appropriate reference source if the deviation of the measured value is within the defined limit...

Page 15: ...the power supply and the applied supply voltage at the device Output signal slightly offset The diaphragm of the sensor is severely contaminated Cleaning with non aggressive cleaning solutions soft b...

Page 16: ...s or pressurized air for cleaning the diaphragm Before returning the device for repairs it must be cleaned carefully the parts in contact with the medium that might contain harmful substances must be...

Page 17: ...ddc4f52a0600p_01 17 17...

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