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Precision Decade

model 1427

OPERATION MANUAL

©2022 burster

präzisionsmesstechnik gmbh & co kg

All rights reserved

Manufacturer:

burster praezisionsmesstechnik gmbh & co kg

Talstrasse 1 – 5

76593 Gernsbach,

Germany

P.O. Box 1432

76587 Gernsbach,

Germany

Valid from:

02.08.2022

Tel.:

(+49) 07224 / 6450

Fax.:

(+49) 07224 / 64588

E-Mail:

[email protected]

4264-BA1427EN-5999-081530

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Summary of Contents for 1427

Page 1: ...bh co kg All rights reserved Manufacturer burster praezisionsmesstechnik gmbh co kg Talstrasse 1 5 76593 Gernsbach Germany P O Box 1432 76587 Gernsbach Germany Valid from 02 08 2022 Tel 49 07224 6450...

Page 2: ...aezisionsmesstechnik hereinafter referred to as product are the results of targeted development and meticulous research As of the date of delivery burster provides a warranty for the proper condition...

Page 3: ...2006 95 EC Niederspannungsrichtlinie 2006 Low voltage directive 2004 108 EC Elektromagnetische Vertr glichkeit 2004 Electromagnetic Compatibility EN 61000 3 2 Elektromagnetische Vertr glichkeit Grenzw...

Page 4: ...Page 4...

Page 5: ...inals 10 3 2 Keyboard 11 3 3 Display 12 4 Preparation for use 13 4 1 Switching on 13 4 2 Warm up period 13 5 Operation 14 5 1 Standard mode 14 5 1 1 Use of cursor keys 14 5 1 2 Numerical keyboard 15 5...

Page 6: ...te control RS232 30 7 2 Remote control IEEE488 optionally 31 7 3 Commands 32 7 3 1 Syntax description 32 7 4 Command list 33 7 4 1 Value setting reading 33 7 4 2 Decade function setting 34 7 4 3 I D d...

Page 7: ...nt temperature sensors Pt and Ni Relays with a low thermal voltage and stable foil resistors with low temperature coefficient are used as main parts of the decade Set values are displayed on the front...

Page 8: ...omepage www burster com Data Sheet digital on the homepage www burster com 2 1 2 IEEE488 version Resistance decade 1427 V2xx Power cord Fuse 1 0 A T Demo program User s manual Test report 2 2 Module 1...

Page 9: ...e the board with resistors and relays creates independent mechanical block The CPU with a one chip micro controller generates all necessary internal control signals Calibration data and set up paramet...

Page 10: ...R 1 to 1 2 M The value of the lower limit R depends on the setting of the parameter 4W 2W refer to chapter 5 2 3 The decade switches automatically between R2W and R4W output terminals according to the...

Page 11: ...ated at the keyboard except from the numerical keys Key Meaning MENU Enters the SETUP CALIBRATION menus BSP Deletes the last entered number ESC Cancels last entered value or leaves the last set mode E...

Page 12: ...information Main values e g simulated temperatures or output resistances are displayed in the upper row Auxiliary information is displayed in the lower row The following symbols may be displayed in l...

Page 13: ...emperatures Let it stabilize for at least one hour 4 1 Switching on Switch on the mains The mains switch is located at the rear panel After the switching on internal tests are performed for approx 3 s...

Page 14: ...e keys 2 4 6 and 8 is initialized The buttons and enable to step up or down the number on the active position The buttons and move the active position of the cursor to left or right Switching between...

Page 15: ...e keys 2 4 6 and 8 to cursor mode To delete the last entered number Push the BSP key To exit setting mode Press the ESC key 5 2 Setup menu This mode enables to set or display some auxiliary parameters...

Page 16: ...temperature scale IPTS68 coefficient 1 3850 The range of setting is 200 C to 850 C 328 F to 1562 F The parameter R0 resistance at 0 C is variable in the range 10 to 20 000 Pt 90 Simulation of Pt temp...

Page 17: ...ra ordered option 5 2 2 R0 the resistance at 0 C Pt Ni This function allows the setup of the parameter R0 for temperature sensors The seting is valid for both Pt and Ni sensors To set a R0 value Press...

Page 18: ...d Switch the keypad to numerical mode To do this press the ENT key Use the numerical keys to insert the new value Confirm the new value To do that press the ENT key At this moment the setup of the new...

Page 19: ...ment is switched off and on again 5 2 6 Baud rate RS232 optionally IEEE488 address This parameter allows the setup of the RS232 interface s baud Bd transfer rate To set the transfer rate of a RS232 de...

Page 20: ...key at standard mode Select the parameter Lightning with the cursor keys and Use the keys and to select the time to disable the display lightning These settings are available o OFF The lightning is di...

Page 21: ...de with the cursor keys and Switch the keypad to numerical mode To do this press the ENT key If the old password is 00000 Use the numerical keys to insert the new password Confirm the new password wit...

Page 22: ...isplays the serial number of the decade To display the serial number Press the MENU key at standard mode Select the Parameter Serial n with the cursor keys and The display now shows the serial number...

Page 23: ...ion procedure consists of the measuring of 36 basic resistance values and of entering their current measured data During calibration you are able to adjust the values with the and keys Note The nomina...

Page 24: ...k 10 R17 R4W 202 k 20 R18 R4W 398 k 40 R19 R4W 780 k 80 R20 R4W 1540 k 200 R21 R4W 3020 k 400 R22 R4W 5920 k 1 k R23 R4W 12 M 5 k R24 R4W 23 M 50 k R25 R4W 48 M 200 k R26 R4W 100 M 500 k R27 R2W4W 178...

Page 25: ...Page 25 5 3 1 Recommended connection of standard ohm meter Terminals R4W for calibration points R00 to R26 Terminals R2W for calibration points R27 to R35...

Page 26: ...r with appropriate accuracy in 4 and 2 wire wire connection Switch the keypad to numerical mode To do this press the ENT key Insert the measured resistance value in Ohms You ll find the original value...

Page 27: ...rminals of the decade Use four wire connection 6 3 Testprocedure Checking output resistance on terminals R4W Checking output resistance on terminals R2W 6 4 Verifying parameters To perform a parameter...

Page 28: ...0 00 25 1000 0 50 2000 0 100 5000 0 750 10000 0 1500 Connect the standard ohm meter to the R2W terminals of the resistance decade Use four wire connection for a range up to 10 k Above this point you c...

Page 29: ...aximum deviations R2W Nominal value Max deviation 1 00000 0 01 10 00000 0 011 100 000 0 015 1000 0 0 060 2000 0 0 1 5000 0 0 25 10000 0 0 5 20000 0 1 0 50000 2 5 100000 5 0 200000 20 500000 50 1000000...

Page 30: ...You ll find further information about the transmission rate at chapter 5 2 6 For data flow control neither hardware handshake RTS CTS nor program handshake XON XOFF is used The RS232 line is metallica...

Page 31: ...ommands DCL Device Clear resets the 1427 to its delivery status SDC Selected Device Clear resets the 1427 to its delivery status GTL Go To Local disables the remote control LLO Local Lock Out disables...

Page 32: ...ave to contain the sign cr or lf at the end Both small and large letters can be used 7 3 1 Syntax description DNPD Decimal Numeric Program Data this format is used to express decimal number with or wi...

Page 33: ...ter 9 Specifications In case of a command the decade confirms the correct setting with the string Ok cr lf In case of a query the 1427 returns the set resistance temperature value in the same format a...

Page 34: ...temperature sensor simulation S Short simulation extra ordered option O Open simulation extra ordered option The 1427 confirms the execution with the string Ok cr lf Example F1 cr sets the simulation...

Page 35: ...ms the execution with the string Ok cr lf In case of a query the 1427 returns the set value in Example R100 cr sets the value R0 to 100 Pt100 Ni100 After the query R cr the decade returns the string 1...

Page 36: ...rns the string F2U0 cr lf which means the actual setting is Pt 90 and C 7 4 7 Value for switching over terminals 2W 4W 4W 2W W DNPD This command sets the value where the resistance output is switched...

Page 37: ...rough a standard serial line IEEE488 For example you may set a value or function on the decade For a IEEE488 connection this Demo program requires a properly configured National Instruments IEEE488 ca...

Page 38: ...to which the instrument is connected and the baud rate Click the Open button After pushing the Open button the program checks the connection to the instrument If an instrument is found you can control...

Page 39: ...o 30 000 0 1 for 30000 to 1 200 000 0 001 C for Pt10 toPt300 and Ni10 to Ni300 0 01 C for Pt301 to Pt10000 and Ni301 to Ni10000 Pt temperature standards IEC 751 1 3850 for IPTS68 DIN EN 60751 1 3851 f...

Page 40: ...dth 483 mm Height 133 mm Depth 390 mm Weight 4 5 kg Isolation resistance between output terminals and housing 2 G at 500 V DC Reaction time means time interval between setting up value from front pane...

Page 41: ...terminals R4W in resistance range 1 to 2 k is 1 V and in range 2 k to 10 k is 5 V Table 5 Resistance accuracy terminals R2W Range Accuracy 1 2000 0 005 10 m 2 k 200 k 0 005 200 k 1200 k 0 01 The maxi...

Page 42: ...PEN function is selected the output resistance is higher than 1 G The maximum allowed voltage is 50 V eff on terminals R4W and 50V DC 50 V eff AC on terminals R2W Note Resistance values in range 1 to...

Page 43: ...eries properly and in accordance with national statutory regulations Either take them to the relevant collection point in your organization or to the collection points provided by your local authority...

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