Ahlborn ALMEMO D7 Operating Instructions Manual Download Page 21 | Manualshive

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9.5.Overview of intelligent weather sensors

The Figure outlines the

structure of the weather
sensor system.

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Summary of Contents for ALMEMO D7

Page 1: ...Potentiometer connector ZWD700 FS Bridge connector ZKD700 FS Tensile and compressive force sensors FK0xx ZKD712 FS Precision pressure transducer FD8214xx ZDD714 AK Pressure transducer FD0602Lxx ZDD70...

Page 2: ...cal data ZKD712 FS 13 7 D7 pressure sensors FD0602Lxx 13 7 1 Technical data ZDD702AKLxx 13 7 2 D7 pressure sensors FD8214xx 13 7 3 Technical data ZDD714AKxx 13 8 D7 conductivity probe FYD741LF 14 8 1...

Page 3: ...e 1 25 9 14 Technical data 25 10 D7 GPS positioning sensor FGD701 27 10 1 Configuration via the sensor menu 27 11 D7 thermocouple plug ZTD700 FS 29 11 1 Pin assignment 29 12 D7 Pt1000 plug ZPD710 FS 3...

Page 4: ...EMO V7 measuring instruments ALMEMO D7 sensors supply their definitive digital measured values from up to 10 measuring channels virtually simultaneously over the serial interface to the ALMEMO V7 devi...

Page 5: ...value smoothing or other specific sensor functions As operating device either a new ALMEMO V7 measuring instrument or a PC can be used 1 4 Configuration on PC via USB adapter cable The ALMEMO D7 sens...

Page 6: ...channel this value can be programmed in menu item Value It is also possible by simply clicking on the Reference option here to use the measured value Atmospheric pressure to compensate other sensors...

Page 7: ...op on Gnd Measuring quantities and ranges factory default settings Designation M s Quantity Measuring range Units Resolution ZED700 FS 1 U2 00000 5 B 01 D U25 2 2 2 2 V 0 01 mV 2 U2 0000 5OO B 02 D U2...

Page 8: ...precision across the entire range from 200 00 up to 850 00 C without li nearization errors it does so by means of an integrated 24 bit A D converter Since the sensor does not depend on an evaluating u...

Page 9: ...00 FS D7 potentiometer connector ZWD700 FS operating at 100 measuring operations per se cond is used to record the voltage drop at a potentiometer sensor fed with a 2V reference voltage from its integ...

Page 10: ...esolution 1 Kraft 1000mops B 02 DMS2 0 50000 50000 xx 1 xx Adjustment is performed by means of internal high precision resistors each time the de vice is switched on a sensor is connected or there is...

Page 11: ...l value Scaling will then be performed similarly using the final value and the decimal point Pressing the ADJ key will adjust the gain accordingly For taring purposes the standard function for zero se...

Page 12: ...n 1 Kraft 1000mops B 02 DMS2 Measuring range units and resolution depending on type see data sheet 6 1 Configuration via the sensor menu The following two measuring ranges can be configured factory de...

Page 13: ...tput 0 to 200 000 range DMS1 at 5 mops 0 to 50 000 range DMS2 at 500 mops A D converter Delta sigma Accuracy 5mops 0 02 2 digits Temperature drift maximum 30 ppm K Nominal temperature 22 C 2 K Refresh...

Page 14: ...ing the electrical con ductivity of water is defined in DIN EN 27 888 Temperature compensation Conductivity is a temperature dependent variable For most diluted aqueous salt solu tions within a certai...

Page 15: ...or is already adjusted on delivery and ready for use Temperature compensati on is preset to a linear characteristic with a temperature coefficient of 1 90 K In the measuring operation the sensor must...

Page 16: ...rally less satisfac tory than the method of adjusting the measuring ranges on the basis of a reference solution In this method the conductivity of the reference solution is entered as setpoint and the...

Page 17: ...25 0 1 C in measuring range 50 mS Enter setpoint reference value in function Setpoint Sensor adjustment by pressing key ADJ Throughout the adjustment procedure the solution must be kept at a constant...

Page 18: ...6 06 and 16 07 Solutions for calibrating conductivity probes are non buffered systems Their conduc tivity values are not stable they are affected even by small amounts of contamination or dilution e g...

Page 19: ...linear 0 00 to 9 99 Cell constant approx 0 5 cm 1 approx 0 5 cm 1 Electrode material Special carbon Special carbon Nominal temperature 25 2 C 25 2 C Operating temperature 0 to 80 C 0 to 70 C Minimum i...

Page 20: ...3 Improper or unintended use If the device is not properly installed the device may not function properly or may not function at all the device may be permanently damaged the device may fall with ris...

Page 21: ...9 5 Overview of intelligent weather sensors The Figure outlines the structure of the weather sensor system 21...

Page 22: ...defective FMD760 Signals the status of the sensor supply LED active Sensor supplied with 12 or 24 V LED inactive Sensor not supplied Possible reasons Defect in measuring instrument mains unit or senso...

Page 23: ...00 0 mm h 0 1 mm h 9 Temperature at present B 09 D Davg 0 0 359 1 10 Temperature maximum B 10 D Dvavg 0 0 5 60 0 m s 0 1 m s 11 Relative humidity B 11 D Dvmax 0 0 5 60 0 m s 0 1 m s 12 Atmospheric pre...

Page 24: ...accuracy of tem perature and humidity measurement 9 11 Operating modes of the device heating In the factory default settings the heating is configured to AUTO This is the recom mended operating mode f...

Page 25: ...vent the rainfall sensor and wind measuring instruments from functioning properly The signal for rainfall detection may be delayed by up to two minutes Short events may in certain circumstances not de...

Page 26: ...er consumption Setting AUTO Function Heating deactivated because no 24 V supply Setting AUTO Function Fan deactivated because supply 12 V Function Continuous operation 12 2 12 V via ALMEMO device 130...

Page 27: ...2 Latitude GPRMC B 03 D BG_G 0 to 90 3 Altitude above geoid in meters B 06 D HGeo 0 to 9999 9 m 0 1 m 4 Speed in km h B 09 D vkmh 0 to 9999 9 km hour 0 1 km h 5 Direction of movement in B 11 D D 0 to...

Page 28: ...kn 10 Direction of movement in degrees B 11 D 0 to 359 9 0 1 11 Direction of movement as text compass reading B 12 D txt 0 to 337 5 22 5 12 Universal time coordinated UTC B 05 D UTC 23 59 59 h m s 1 s...

Page 29: ...ivery state Designation Range Measuring range Dim Resolution 1 Typ K B 01 NiCrNi 200 0 1370 0 C 0 1 K 2 Typ N B 02 NiSil 200 0 1300 0 C 0 1 K 3 Typ J B 03 IrCo 210 0 1100 00 C 0 1 K 4 Typ E B 04 NiCrC...

Page 30: ...V U324 10 0000 to 32 0000 mV A D converter Delta Sigma Accuracy for 10 mops Thermocouples 0 2K 0 02 type K K2 N J T 1 0K 0 02 type E 0 8K 0 02 type R S B Voltage 8 Digit 0 02 U324 U643 Temperature dri...

Page 31: ...lti point adjusted Measuring range upon delivery Designation Range Measuring range Dim Resolution ZPD710 FS 1 Pt1000 10M s B 01 DP14 200 00 850 00 C 0 01 K 12 1 Pin assignment 4 conductor connection T...

Page 32: ...83607 Holzkirchen GERMANY Tel 49 0 8024 3007 0 Fax 49 0 8024 300710 Internet http www ahlborn com email amr ahlborn com We take every possible care but the risk of inaccuracy can never be altogether...

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