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P29 Instruction Manual
Differential Pressure Transducer
for Flammable Gases

halstrup - walcher GmbH

Stegener Straße 10
D-79199 Kirchzarten

Phone:+49 (0) 76 61/39 63–0
Fax: +49 (0) 76 61/39 63–99

E-Mail: [email protected]
Internet: www.halstrup-walcher.com

Document 7100.004324 Version 1.0 04/2010

Summary of Contents for P29

Page 1: ...ansducer for Flammable Gases halstrup walcher GmbH Stegener Stra e 10 D 79199 Kirchzarten Phone 49 0 76 61 39 63 0 Fax 49 0 76 61 39 63 99 E Mail info halstrup walcher com Internet www halstrup walche...

Page 2: ...tenance repair 8 3 3 Shipping 8 4 Instrument description 9 4 1 Features 9 4 2 User interfaces 10 4 3 Internal ports and keys 10 4 4 Front view 12 5 Zero point calibration cycle 12 6 Overpressure prote...

Page 3: ...4 Settings 17 8 4 1 Language 17 8 4 2 Output 17 8 4 3 Filter 17 8 4 4 Warning signal 17 8 4 5 Resolution 17 8 4 6 Zero point calibration 18 8 4 7 CS creep suppression 18 8 4 8 Read factory settings 18...

Page 4: ...manual with care It must be readily available throughout the lifecycle of the instrument It must be provided to any individuals who assume responsibility for operating the instrument at a later date I...

Page 5: ...ument may only be handled as indicated in this manual Modifications to the instrument are prohibited The manufacturer is not liable for damages caused by improper use or failure to follow these instru...

Page 6: ...als that can be reused The instrument must therefore be sent to a recycling plant when you no longer wish to use it The environment codes of your particular country must be complied with 2 5 Symbols T...

Page 7: ...al power supply Before connecting the instrument to the gas lines both the pressure lines should be flooded with gas otherwise the instrument itself must be flooded with gas for a longer period of tim...

Page 8: ...itched off pressure system for at least 2 minutes with air P 100 1000mbar to remove the gas Install and start up the new instrument as described in Section 3 1 3 3 Shipping Instruments operated with f...

Page 9: ...rement of pressure and vacuum Measurement of differential pressure Measurement of volumetric flow mass flow and flow rate Display of a measured value Monitoring of a variety of threshold parameters Th...

Page 10: ...Up Max display Increase value or scroll up Right Min display Move the arrow or scroll down In measurement mode the keys perform the following functions The Enter key starts a zero point calibration k...

Page 11: ...meterisation Reset Output signal Port description Description OUT_I Current output OUT_GND Earth OUT_U Voltage output Power supply o 24V DC Left contact Ground Central contact 24V DC RS232 interface f...

Page 12: ...alibration the instrument automatically calculates this shift and takes it into account during the zero point calibration The zero point calibration takes place in two steps which are shown in the top...

Page 13: ...al If the P29 includes a display you can use the menu to adjust various settings Press the Menu key to bring up the menu In Menu mode the parent menu item always appears in the top display line The mi...

Page 14: ...ault settings for the pressure scale Top Pressure at which the output has its maximum value e g 5V 10V or 20 mA Bottom Pressure at which the output has its minimum value e g 5V 0V 0mA or 4mA Because t...

Page 15: ...aled pressure 0 is always used as the lower scale value on the mass flow display root extracted measured value The maximum pressure is the larger of the two scale values which is used as a basic calcu...

Page 16: ...he action described in 7 3 1 applies to the entry unit The hysteresis is always positive 8 3 3 TV delay time The entry value of the warning is derived from the unfiltered pressure value With this para...

Page 17: ...you can select the output and output range You can choose from the following options 4 20 mA 0 20 mA 5V 5V 0V 10V 8 4 3 Filter The measured pressure values can be smoothened by a filter before they re...

Page 18: ...e value the display is set to zero Creep suppression only works with volumetric flow mass flow and flow rate root extracted measurement values 8 4 8 Read factory settings The factory settings are esta...

Page 19: ...rmity Declaration of conformity available upon request Electrical data Rated input approx 6 VA Supply voltage 24VDC 10 Output signal 0 10 V RL 2 k or 5 5 V RL 2 k or 0 20 mA RL 500 or4 20 mA RL 500 In...

Page 20: ...Corrective Action Instrument does not work nothing on display No power Check the terminal connections and supply voltage No serial communication No cable connection Secure the connection Instrument i...

Page 21: ...P29 Instruction Manual 21 11 Dimension drawing with LCD without LCD...

Page 22: ...Pa mbar mmH2O mmHg psi inH2O inHg m s m h kg s kg min kg h m s mph f s f min km h Scaling Pressure Top xxxx x Bottom xxxx x Unit Pa hPa kPa mbar mmH2O mmHg psi inH2O inHg Vol Flow Value xxxxxxx x Unit...

Page 23: ...x x TV xxxxx ms Warning signal xxxxx ms Mode increasing decreasing Settings Language English German Italian French Output 4 20 mA 0 20 mA 5 5V 0 10 V Filter xxxxx ms Warning signal on off on off Resol...

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