Airsecure TPK20 Functional Description And Operating Instructions Download | Manualshive

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Pressure Dew point monitoring device

TPK 20

Functional description and

operating instructions

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Summary of Contents for TPK20

Page 1: ...Pressure Dew point monitoring device TPK 20 Functional description and operating instructions...

Page 2: ...9 7 First time operation 13 9 8 For the rarest of the cases 14 10 Operation 15 10 1 View of device front and the control elements 15 10 2 Description of the Displays 16 10 3 Operation of keys 16 10 4...

Page 3: ...dence of Dew point 31 15 3 Thermodynamic concepts 33 16 Working of an adsorption compressed air dryer 34 17 Checking the measuring accuracy 35 18 Working principle 35 18 1 Format of data transfer at t...

Page 4: ...mm ATTENTION Use only PTFE hose Further nipples reduction or interconnection joints if direct mounting is to be done on a pipeline Electrical accessories for connection to a super level regulation sy...

Page 5: ...fitment and maintenance of the regulator shall be carried out by only trained personnel Mounting and servicing operations should be carried out only after switching off the voltage Touching the plug o...

Page 6: ...in case of uncontrolled opening of lines under pressure can damage the hearing or create panic to other persons in the vicinity At higher flow velocities the swept along foreign bodies can act like pr...

Page 7: ...at higher temperatures Exceeding the temperature limit damages the measuring probe The specified data specially the achievable measuring accuracy is applicable at 20 C General principle lower is the t...

Page 8: ...monitoring of cold adsorption and membrane dryers The device is primarily meant for stationery applications however because of its simple connection it is also suitable as a portable instrument 5 Feat...

Page 9: ...t display of measured dew point values The display can be switched between C and F units The selected units are shown on the display Through two potential free relay contacts Normally open the alarm s...

Page 10: ...he used materials must be steam diffusion sealed Hence please do not use normal PUR plastic hoses For flexible connections only PTFE TEFLON is recommended as hose material Up to 30 C tpd all metals ar...

Page 11: ...of switching point Test and functional check 8 4 Mounting If the device is to be operated in a portable manner or to be plugged to a standard coupling as described below no further mounting is require...

Page 12: ...some centimetres long because the response mode otherwise gets worse particularly at deep dew point values With longer branch lines the diverting throttle at the measuring chamber must be opened and a...

Page 13: ...n of measuring chamber the device can be easily adapted for the intended application Connection to a quick coupling 7 2 mm NW This connection is fast and simple can be done in minutes without expensiv...

Page 14: ...over the screw with a gasket The desired flow rate is adjusted by reciprocal setting and checking till value is achieved The exact adjustment of defined quantity is specially important for stationery...

Page 15: ...ins socket Is the mains plug correctly inserted Is the socket of voltage supply sufficiently inserted inside Is the power pack supplying 24 V DC If you have checked all possible causes and still the m...

Page 16: ...play numerals and configuration shown are examples which have been used for the explanation and clarification of the transmitted contents The actual display in your device can vary according to the se...

Page 17: ...he display of selected physical units 10 3 Operation of keys The keys of control unit have the following basic functions Key Description Function Settings Key Setting the alarm and Hysteresis value En...

Page 18: ...perature the message COOL appears Status of the device View of display The sensor element is getting heated up The device waits until the sensor element is cooled down again The heating up is re start...

Page 19: ...key you can switch between the individual setting parameters P1 H1 P2 H2 With the help of the Downward Upward keys you can change the desired regulation value By short pressing of the key the value ca...

Page 20: ...display line 10 5 2 Behaviour during alarm In case an early warning alarm or main alarm value is reached the user is informed through different warning signals Feedback of the Device View of display...

Page 21: ...nt temperature is shown in the lower display line during delivery it is adjusted at C If required the display can be switched over to F Operations of keys View of display Keep the keys Downward and Up...

Page 22: ...stor 39 V Analog output 4 20 mA 20 40 C tpd Serial interface RS232 RS485 4800 Bd 8N1 Ext Signal generator 15 V 50 mA Electrical connection 15 pin SUB D socket Sensor protection filter Stainless steel...

Page 23: ...11 1 Drawing...

Page 24: ...are also to be fed by the device An analog output 4 20 mA for connection to an SPS or a super level measuring system A digital RS 232 or 485 interface for connection to a PC over COM port or USB inter...

Page 25: ...Abschirmung des Steckers ber Entst rkondensator mit der Ger te masse verbunden 12 1 1 External Signal generator If the device is installed at an inaccessible location an external alarm light can be c...

Page 26: ...witching of safe low voltage 12 1 3 Analog output The device has an analog output for an industrial standard signal 4 20 mA The measured dew point is given out at this output which can be further eval...

Page 27: ...e d a i r systems Besides storing data o f m e a s u r e d humidity values on h a r d d i s k t h e software offers a very important feature of graphical representation of all measured and recorded c...

Page 28: ...h which measurements can also be done with high precision at deep dew point values Further information can be obtained on request 13 2 Portable measurements The device is equally suitable for potable...

Page 29: ...n times are observed at the next measuring point 13 3 Maintenance work With proper usage the instrument is operational for many years The used sensor elements are very long term stable hence normally...

Page 30: ...nes have not yet dried up after a fault After a dryer malfunction the drying process can take several days First carry out test measurements as near as possible after the dryer 14 2 The measured value...

Page 31: ...ons standstill air Dry up the plant release exhaust air at the most distant point of usage Water in the plant back diffusion with standstill air Dry up the plant release exhaust air at the most distan...

Page 32: ...g system the compressed air can be cooled down to approx 1 C The water precipitates at the cooler and it is removed from the plant with a water separator and condensate trap The dew point temperature...

Page 33: ...olymer sensors used here exact measured values can be achieved same as measurement in expanded air Physical conditions in compressed air are certainly more complex due to the large number of effects a...

Page 34: ...s the mass of water vapour per unit volume of humid gas Specific humidity The specific humidity is the ratio of the mass of water vapour to the total mass of the humid gas Wet bulb temperature The wet...

Page 35: ...nued with the column re generated earlier The three solenoid valves Y1 Y2 Y3 and two OR gates D1 D2 are used to control the compressed air path through the drying columns The flushing air for regenera...

Page 36: ...er information can be obtained on request The cross checking of the lower measuring range of up to 30 C is only possible at manufacturer s works in a calibration facility We recommend re calibration i...

Page 37: ...Dew Frost point value 0 C Equilibrium over ice Dew point value 0 C Equilibrium over water Temperature scale ITS 90 Carrier gas dry air without impurities Due to rise in temperature at the measuring p...

Page 38: ...sured values Only numerical measurement values and two characters check sum CRC are transferred at the end of the line The identifier and measured values follow the same scheme for all other channels...

Page 39: ...ork of our Quality Management systems as per ISO 9001 standards The devices are carefully tested and adjusted before despatch Nevertheless if still there are any reasons for complaint we are ready to...

Page 40: ...ection cable with 15 pin Sub D plug TPK20 SIG Connection cable 15 pin plugable 2 m shielded connection cable one end with 15 pin special plug other end with terminal adapter for simple connection to e...

Page 41: ...ined characteristics of the product and should be checked by the user for the intended application Any possible industrial third party patent rights are to be considered Issued October 2008 This docum...

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