Ahlborn ALMEMO 1036-2 Скачать руководство пользователя страница 17 | Manualshive

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Potential separation

8.4 Potential separation

When organizing a properly functioning measuring setup it is very important to

ensure that no equalizing current flow between sensors, power supply, and pe-

ripherals. All points must therefore lie at the same potential and / or any un-

equal potentials that do exist must be electrically isolated.

The analog inputs are electrically isolated by means of photovoltaic relays; the

maximum potential difference permitted between them is 50 VDC or 60 VAC.

The power supply is isolated by the transformer in the mains adapter or by a

DC/DC converter in connecting cable ZA2690-UK.

ALMEMO

®

1036

17

M1
M0

Data cable

AC

DC

DC

DC

ADC

uC

U-

U+

Sensor

Power supply

10..30V=

230V≈

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15
16
17
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Содержание ALMEMO 1036-2

Страница 1: ...____________________________ Operating instructions X6 ALMEMO 1036 2 High precision humidity measuring instrument for Pt100 psychrometer V2 0 08 04 2015 www ahlborn com ...

Страница 2: ...hernet ZA 1945 DK 5 Power supply DC 12V Mains adapter ZA1312 NA7 12V 1A Cable electr isol ZA 2690 UK 10 30V 6 LCD graphics display 7 rows for function 1 row for softkeys F1 F2 Shown in brackets MEM FCT 7 Operating keys ON To switch device ON To switch device OFF press and hold down F1 F2 Function keys softkeys M measuring channel F menu PROG F function To return to menu PROG To program To enter da...

Страница 3: ...ernal DC voltage supply 13 7 4 Switching ON OFF reinitialization 14 7 5 Data buffering 14 8 CONNECTING SENSORS TRANSDUCERS 14 8 1 Sensors transducers 14 8 2 Stationary high precision psychrometer FPA 836 3P3 15 8 3 Measuring sockets measuring channels 16 8 4 Potential separation 17 9 DISPLAY AND KEYPAD 18 9 1 Display and menu selection 18 9 2 Measured value display and status symbols 18 9 3 Functi...

Страница 4: ...t setting 28 15 DATA LOGGER 29 15 1 Memory connector with memory card 29 15 2 Date and time of day 30 15 3 Once only output saving of all meas channels 30 15 4 Cyclic output saving of all measuring channels 30 15 5 Memory capacity memory output clearing the memory 31 15 6 Memory time available 31 15 7 Sleep mode 31 15 8 Starting and stopping measuring operations 32 16 DEVICE CONFIGURATION 33 16 1 ...

Страница 5: ...device Use of the device in environments or conditions for which it is not suited Use of the device with an unsuitable power supply and or in conjunction with unsuitable peripheral equipment Use of the device for any purpose other than that for which it is intended Damage caused by electrostatic discharge or lightning Failure to properly observe these operating instructions The manufacturer reserv...

Страница 6: ...manner this applies in particular to all parts and substances that constitute a hazard for the environment This includes inter alia plastics batteries and recharge able battery packs When disposing of goods please wherever possible use the original packag ing materials 4 SAFETY INSTRUCTIONS DANGER Danger to life and limb risk of damage to equipment Read the instructions carefully before starting t...

Страница 7: ...use the device in the close vicinity of blasting work or fill ing stations 4 1 Handling batteries rechargeable batteries correctly When inserting batteries rechargeable batteries ensure that these are correctly polarized If the device will probably not be needed for a relatively long pe riod of time or if the batteries are empty remove the batteries this will prevent battery acid leaking onto the ...

Страница 8: ... these operating instructions humidity variables will be given first using the new symbols defined in VDI VDE 3514 and then in brackets using the old abbrevia tions seen in tables issued by the Deutscher Wetterdienst German Meteoro logical Service Absolute humidity dv AH is also referred to as water vapor content This is the weight of water vapor contained in one m3 of a mixture of water vapor and...

Страница 9: ...f 24bit basic value interpolation or of the modification of coefficients is offered Thanks to that the ALMEMO 1036 2 is perfectly suited as a precision reference instru ment for temperatures as well as in combination with the psychrometer for all humidity variables The Pt100 psychrometer can be used to measure very accurately both dry temperature and humid temperature and thus calculate all the us...

Страница 10: ...expanded measuring range It is however possible to set the measured value of every measuring channel to zero More over the sensors are adjustable in several points either via multi point lin earization i e the error curve can be stored in the measurement plug or via modification of the Pt100 coefficients For digital D6 sensors the standard correction functions zero point and gain are also provided...

Страница 11: ...rameters can be output to any peripheral equipment Using the appropriate in terface cable any of interfaces RS232 RS422 USB or Ethernet can be used Measured data can be output in list column or table format Files in table for mat can be processed directly using any standard spreadsheet software The print header can be programmed to refer specifically to your company or to a specific application Da...

Страница 12: ...To access the Sensor display s 9 1 press F call up the menu press or PROG select a measuring channel s 11 1 M The measured values from the sensor are displayed To call up the functions menu press FCT or select it in the menu selection screen Max Min Memory select a measuring channel s 11 1 M set a measured value to zero PROG ZERO save a measured value s 13 3 MEM To display saved values LISTM To ou...

Страница 13: ...µµµµµµµµ in the status bar of the display will start to flash If the batteries are completely discharged i e down to approx 3V the device will switch OFF au tomatically but measured data already acquired will be saved see 7 5 To replace used batteries first unscrew the battery compartment cover 7 on the rear of the device When inserting batteries ensure that their polarity is correct 7 2 Mains ope...

Страница 14: ...ed intact how ever if the device is reset or the batteries are replaced this will all be lost 8 CONNECTING SENSORS TRANSDUCERS The following special devices can be connected at input sockets M0 and M1 1 on the measuring instrument stationary high precision psychrometer FPA836 3P3 digital D6 NTC psy chrometer FNAD46 3 or D6 humidity sensor FHAD36 RS Or of course a high precision Pt100 sensor FPA923...

Страница 15: ...re be replaced at regular intervals depending on how clean the air and water are 1 Emptying the reservoir see above 2 Unscrew the water reservoir lid 3 Unscrew the motor sensor retaining plate and withdraw the old wick from the humid temperature HT sensor 4 From the side of the reservoir insert the new wick into the psychrometer tube and pull over the HT sensor 5 Screw the motor sensor retaining p...

Страница 16: ...Measuring sockets measuring channels Measuring instrument ALMEMO 1036 has 2 measuring sockets M0 and M1 1 and to each of these up to 4 measuring channels can be allocated Device internal channels This device also provides 4 device internal additional channels These can be used as and when necessary to program the battery voltage the device inter nal atmospheric pressure or a function channel Diffe...

Страница 17: ...ame potential and or any un equal potentials that do exist must be electrically isolated The analog inputs are electrically isolated by means of photovoltaic relays the maximum potential difference permitted between them is 50 VDC or 60 VAC The power supply is isolated by the transformer in the mains adapter or by a DC DC converter in connecting cable ZA2690 UK ALMEMO 1036 17 M1 M0 Data cable AC D...

Страница 18: ...t device information INFO 9 2 Measured value display and status symbols The Sensor display menu will show the se lected measuring channels the measured value and in some cases the functions of importance for this measured value plus any further mea suring channels assigned to the connector in question First comes the measuring channel then measured value then units The measured value is described ...

Страница 19: ...the instructions and documen tation these softkey abbreviations are shown in angle brackets e g MEM In the measuring menus the following function keys are available To select the measuring channel press cursor keys or Help is provided in the form of the softkey symbol which lights up in the middle M To call up the functions menu for the individual value memory FCT or F2 To call up the data logger ...

Страница 20: ... appears below the first input position flashing Smoothing 05 To increment the selected digit press To decrement the selected digit press To change the arithmetic sign of a numeric value press To move forward to the next position press The cursor now appears below the second position flashing Smoothing 05 To move back to the previous position press Each position is programmed just like the first T...

Страница 21: ...he first line a number of status reports appear see 9 2 Below this appear the first measuring chan nel the measured value the units in large font and then the range and designation Further measuring functions are provided in the functions menu these can be accessed by pressing key FCT see 13 11 1 Selecting a measuring channel To access all measuring channels press The current measured value is the...

Страница 22: ... special cases e g when measuring in conduits the appropriate atmospheric pressure can also be programmed at this juncture see 9 5 To switch back to the measured value the programming value must be deleted again 11 3 Differential measurement If two sensors with the same units and same decimal point position are con nected at measuring sockets M0 and M1 the difference below device internal measurin...

Страница 23: ...ess M Symbol M in the middle of the softkey bar indicates that the measuring chan nel can be selected by pressing 13 1 Setting a measured value to zero One very useful function is to zero the mea sured value at certain locations or points in time as a reference value from which to ob serve subsequent deviations Having selected the measured value the softkey ZERO will ap pear Pressing this key sets...

Страница 24: ...ividual value memory Each measured value can be saved at the touch of a button The measured value is displayed in the Memory function together with its units and position number The user can choose whether to clear the whole memory or just the last value All data thus saved can be shown in the display or output in list form via the interface To continuously save the measured value press MEM To dis...

Страница 25: ... 5 Designation Humid temp 14 2 Locking the sensor programming The functional parameters for each measuring channel are protected by means of the locking mode this can be set to the desired locking level see Manual 6 3 12 Before programming you must lower the locking mode to an appropri ate level Locking level Locked functions 0 none 1 range 3 Units 4 zero point and gain D6 only 5 base value factor...

Страница 26: ...ds for entering this via an interface using a termi nal are also listed Measuring function Sensor Meas Range Unit Display Com mand Pt100 3 ITS90 0 001 C FPA903L0250 200 000 400 000 C P314 B96 Pt100 3 ITS90 HT FPA8363P3 M0 200 000 400 000 C P314 B96 Pt100 3 ITS90 TT FPA8363P3 M1 200 000 400 000 C P314 B96 Atmospheric pressure AP int Device channel M2 300 0 1100 0 mbar AP B86 Rel Humidity 0 01 H FPA...

Страница 27: ...pheric pressure compensation can also be programmed in the sensor it self it can subsequently be used in the modified form in other devices too However multi point calibration and time constant can only be entered via a PC see D6 instructions 14 5 1 Measuring ranges of the NTC psychrometer FNAD46 3 Measuring function Sensor Meas Range Unit Display Command Ntc Dry Temperature TT FNAD46 3 50 00 125 ...

Страница 28: ...and off press OFF or ON Once the correction values have been programmed and the actual measured value thus modified the correction arrow º appears indicating the measured value status see 9 2 14 5 4 Scaling decimal point setting Normally for the physical variables concerned here scaling would not be nec essary or advisable However with these digital sensors the exponential will set the decimal poi...

Страница 29: ...ill free and memory time available Card memory total capacity External memory 128 00 MB Card memory still free Memory capacity free 21 75 MB File name maximum 8 characters File name 001 The device status can be checked by means of the symbols appearing in the top status bar of the menu see 9 2 Before starting any measuring operation you can in the File name function en ter an 8 character file name...

Страница 30: ...associated measuring time 15 4 Cyclic output saving of all measuring channels For cyclic recording and output of measured values the cycle must be pro grammed accordingly The measuring operation can be started by pressing START and stopped by pressing STOP Whenever a measuring operation is started the maximum and minimum values from all measuring channels are deleted In the course of a measuring o...

Страница 31: ...n days D and hours h Memory time 24 D 13 h 15 7 Sleep mode For long term monitoring involving long measuring cycles the device can also be operated in sleep mode In energy saving sleep mode the measuring instrument switches off completely after each measuring channel scan sensors with their own power supply and switches on again automatically after the cycle expires ready for the next measuring ch...

Страница 32: ...Measuring time function This is assuming of course that the current time of day has been programmed Please note that start date time end date time and measuring duration are not supported in sleep mode To access the menu press F Function Measuring duration format hh mm ss Meas duration 00 10 00 Function Start time of day format hh mm ss Start time 07 00 00 Function End time of day format hh mm ss ...

Страница 33: ... illumination press ON or in the Illumination function Illumination Ø To set the illumination duration 20 s to 10 min press SET Duration 20sec If display illumination is enabled the following symbol appears in the status bar Illumination ON If illumination has temporarily switched off the following will light up Pause To switch ON again without this function press To set the contrast 5 to 100 pres...

Страница 34: ... all the measuring instruments involved are assigned different device ad dresses For this purpose use the Device address function On leaving the fac tory address 00 is normally set To set the device address see 9 5 Device address 00 16 5 Data communications For data retrieval and programming we provide a comprehensive ALMEMO protocol described in the Manual chapters 6 and 7 Since this high precisi...

Страница 35: ...easuring in con duits the atmospheric pressure can also be programmed see 9 5 To monitor check or enter atmospheric pressure Atm pressure P 947 mbar To return from programmed to measured value press CLR 17 OPTION FE FUNCTION EXTENSION Measuring range P314 B96 has been extended to Measuring range 200 000 to 560 000 C Accuracy 0 010 K 1 digit in range 50 to 560 C There is also an additional measurin...

Страница 36: ...ter coefficient C f3 ax xxxxx 4 0 4 4 Enter resistance R0 f2 exxx xxxxx 95 0 105 0 The input format is one integer digit before the decimal point three integer dig its for R0 and up to five decimal places If fewer decimal places are entered the input must be completed with CR There is no need to enter the arithmetic sign or exponent just the mantissa To denote measured value correction appears at ...

Страница 37: ...100 ohms and test again then reconnect the sensors one after the other and test again If a fault persists for any one connection check all wiring if necessary insulate the sensor and eliminate interference by using shielded or twisted wiring Error Data transmission via the interface does not function Remedy Check the interface module connections and settings Ensure that both devices are set to the...

Страница 38: ...psychrometer FPA836 3P3 D6 precision humidity temperature Sensor FHAD36 Rx D6 Ntc psychrometer FNAD36 3 Measuring channels 12 maximum Galv separation Solid state relays 50V Measuring range Pt100 200 to 400 C Resolution 0 001K Measuring current 1 mA A D converter Delta sigma 24 bit 1 25 mops amplification 5 Accuracy 0 01 K 1 digit at 50 C to 400 C Nominal conditions 23 C 2K 1013mbar Battery operati...

Страница 39: ...ket 9 to 13 VDC Batteries 3 AA alkaline batteries Mains adapter ZA 1312 NA7 100 230 VAC to 12 VDC 1 A Adapter cable electr isol ZA 2690 UK 10 30 VDC to 12 VDC 0 25 A Current consumption without Input and output modules active mode approx 20 mA at 4 5 V With illumination approx 40 mA at 4 5 V Housing 127 x 83 x 42 mm LxWxH ABS acrylonitrile butadiene styrene Weight approx 290 g Suitable conditions ...

Страница 40: ...MEMO Pt100 temperature sensor FPA923L0250 ALMEMO D6 digital humidity sensor with atmospheric pressure compensation FHAD46RS ALMEMO D6 digital psychrometer with atmospheric pressure compensation FNAD363 Accessories Mains adapter with ALMEMO plug 12 V 1 A included ZA1312NA7 DC adapter cable 10 to 30 VDC 12 V 0 25 A electrically isolated ZA2690UK ALMEMO memory connector with micro SD ZA1904SD Data ca...

Страница 41: ... cables 16 3 33 Data communications 16 5 34 Data logger 15 29 Date and time of day 15 2 30 decimal point setting 14 5 4 28 Declaration of conformity 19 38 Device configuration 16 33 device switches OFF 7 4 14 Device internal channels 8 3 16 Differential 8 3 16 Differential measurement 11 3 22 Display 9 18 display lighting 9 1 18 display memory 13 3 24 end date 15 8 32 end time 15 8 32 Entering dat...

Страница 42: ...umidity basic principles 5 1 8 Measuring inputs 20 1 38 Measuring instrument 5 3 9 Measuring operation 5 5 10 Measuring sockets 8 3 16 memory activation 15 4 30 Memory capacity 15 5 31 memory card 15 1 29 Memory connector 15 1 29 memory output 15 5 31 Memory time 15 6 31 menu selection 9 1 18 Menu selection 10 21 Multi point adjustment 14 4 2 26 ON 9 1 18 Once only output 15 3 30 Operating control...

Страница 43: ... Smoothing 14 4 3 27 softkeys 9 3 19 Standard delivery 3 2 5 Standard equipment 20 1 39 Start date 15 8 32 Start time 15 8 32 Starting and stopping measuring operations 15 8 32 Stationary high precision psychrometer FPA 836 3P3 8 2 15 status bar 9 2 18 status symbols 9 2 18 Suitable conditions 20 1 39 supply voltage monitoring 7 1 13 switch the device OFF 9 1 18 Switching ON OFF 7 4 14 Technical d...

Страница 44: ... D 83607 Holzkirchen Germany Tel 49 0 8024 3007 0 Fax 49 0 8024 300710 Internet http www ahlborn com e mail amr ahlborn com We take every possible care but the risk of inaccuracy can never be altogether excluded We reserve the right to make technical changes without advance notice 44 ALMEMO 1036 ...

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