Title page for 107 / 10TCRT manual
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1. Loc BattVolt Mult Offset Reps 2500 mV 60 Hz Rejection Range DIFF Channel Loc BattVolt Mult Offset 4 1 6 CR23X 1 Volt Diff P2 sol Reps 15 5000 mV Fast Range DIFF Channel Loc BattVolt Multiplier Offset Reps 5000 mV Slow Range DIFF Channel Loc BattVolt Mult Offset is a blank page CAMPBELL SCIENTIFIC COMPANIES Campbell Scientific Inc CSD 815 West 1800 North Logan Utah 84321 UNITED STATES www campbellsci com info campbellsci com Campbell Scientific Africa Pty Ltd CSAf PO Box 2450 Somerset West 7129 SOUTH AFRICA www csafrica co za sales csafrica co za Campbell Scientific Australia Pty Ltd CSA PO Box 444 Thuringowa Central QLD 4812 AUSTRALIA www campbellsci com au info campbellsci com au Campbell Scientific do Brazil Ltda CSB Rua Luisa Crapsi Orsi 15 Butanta CEP 005543 000 Sao Paulo SP BRAZIL www campbellsci com br suporte campbellsci com br Campbell Scientific Canada Corp CSC 11564 149th Street NW Edmonton Alberta TSM 1W7 CANADA www campbellsci ca dataloggers O campbellsci ca Campbell Scientific Ltd CSL Campbell Park 80 Hathern Road Shepshed Loughborough LE12 9GX UNITED KINGDOM www campbellsci co uk sales Ocampbellsci co uk Campbell Scientific Ltd France Miniparc du Verger Bat H 1 rue de Terre Neuve Les Ulis 91967 COURTABOEUF CEDEX FRANCE www campbellsci fr info Ocampbellsci fr Campbell2. that will accommodate the maximum expected output The smallest possible range will provide the best resolution For example suppose we want to measure the voltage of a 12 volt battery system that may actually experience voltages in excess of 14 volts Using the VDIV10 1 10 1 voltage divider the 14 volt output will be divided to 14 10 1 4 volts or 1400 mV Thus the voltage range on which to make the measurement is the 2500 mV range on the CR10 X CR800 CR850 and CR1000 the 5000 mV range on the CR23X 21X CR3000 CR5000 and CR9000 X and the 1500 mV range on the CR7 The multiplier to use with the voltage measurement must take into account the divisor the calibration of the sensor and the units desired for the result In this example voltage is divided by 10 and read by the datalogger as millivolts i e V 10 x 10 V x 10 To output directly in volts we use a multiplier of 0 01 The following examples show the measurement instruction for each of the different dataloggers to measure the battery voltage described above VDIV10 1 VDIV2 1 Voltage Divider Terminal Input Modules 4 1 1 CR1000 CR800 CR850 Public BattVolt VoltDiff BattVolt 1 mV2500 1 True 0 250 0 01 0 4 1 2 CR3000 CR5000 Public BattVolt VoltDiff BattVolt 1 mV5000 1 True 0 250 0 01 0 4 1 3 CR9000 X VoltDiff BattVolt 1 mV5000 5 1 1 0 0 0 01 0 4 1 4 CR7 1 Volt Diff P2 Reps 1500 mV Slow Range In Card DIFF Channel
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4. VDIV10 1 VDIV2 1 Voltage Divider Terminal Input Modules User Manual Issued 26 07 07 Copyright 1996 2007 Campbell Scientific Inc Printed under licence by Campbell Scientific Ltd CSL 339 Guarantee This equipment is guaranteed against defects in materials and workmanship This guarantee applies for twelve months from date of delivery We will repair or replace products which prove to be defective during the guarantee period provided they are returned to us prepaid The guarantee will not apply to e Equipment which has been modified or altered in any way without the written permission of Campbell Scientific e Batteries e Any product which has been subjected to misuse neglect acts of God or damage in transit Campbell Scientific will return guaranteed equipment by surface carrier prepaid Campbell Scientific will not reimburse the claimant for costs incurred in removing and or reinstalling equipment This guarantee and the Company s obligation thereunder is in lieu of all other guarantees expressed or implied including those of suitability and fitness for a particular purpose Campbell Scientific is not liable for consequential damage Please inform us before returning equipment and obtain a Repair Reference Number whether the repair is under guarantee or not Please state the faults as clearly as possible and if the product is out of the guarantee period it should be accompanied by a purchase order Quotations for r
5. cient Power rating 0 25 W Maximum Input Voltage 50 volts 90 kQ orG 10 kO Figure 2 1 Voltage Divider Module Schematic 2 2 VDIV2 1 2 1 Resistive Divider Resistors 10 kQ 10 KQ Ratio Tolerance 25 C 0 02 Ratio Temperature 2 ppm C coefficient Power rating 0 25 W Maximum Input Voltage 10 volts 3 Wiring Each voltage divider module may be used to measure one differential voltage Figure 3 1 or two single ended voltages Figure 3 2 nE hield Figure 3 1 Wiring for Differential Voltage Measurement 4 Programming 4 1 Example User Manual Datalogger AGor Gor Figure 3 2 Wiring for Single Ended Voltage Measurements Table 3 1 VDIV10 1 or VDIV2 1 Connections to Campbell Scientific Dataloggers CR800 CR850 CR10X CR3000 Function Label Lead CR510 CR5000 CR23X 21X CR CR1000 7 Output High H 1H 1H 1H Output Low L IL IL IL Ground G AG The output of the voltage divider is measured with the appropriate voltage measurement instruction A differential input is measured with the differential voltage instruction P2 with the CR23X CR10 X 21X or CR7 VoltDiff with the CR800 CR850 CR3000 CR5000 CR9000 X CR1000 A single ended input is measured with the single ended voltage instruction P1 with the CR23X CR10 X 21X or CR7 VoltSE with the CR800 CR850 CR3000 CR5000 CR9000 X CR1000 Select the smallest input voltage range
6. e Measurements csseceeeeeeeeeeeee 3 Table 3 1 VDIV10 1 or VDIV2 1 Connections to Campbell Scientific IDEENA EE TTE 3 VDIV10 1 VDIV2 1 Voltage Divider Terminal Input Modules 1 Function Terminal input modules connect directly to the datalogger s input terminals to provide completion resistors for resistive bridge measurements voltage dividers and precision current shunts Voltage dividers are used to divide a voltage to provide a reduced voltage output that is a fraction of the original voltage The VDIV10 1 is a 10 1 voltage divider the output voltage is one tenth the input voltage and allows a voltage up to 25 volts to be measured on a 2500 mV range CR10 X and up to 50 volts to be measured on a 5000 mV range 21X CR7 CR9000 X CR23X CR1000 CR800 CR850 CR3000 CR5000 The VDIV2 1 is a 2 1 voltage divider the output voltage is one half the input voltage and allows a voltage up to 5 volts to be measured on a 2500 mV range CR10 X and up to 10 volts to be measured on a 5000 mV range 21X CR7 CR9000 X CR23X CR1000 CR800 CR850 CR3000 CR5000 Each voltage divider module may be used to measure one differential voltage or two single ended voltages Figure 1 1 Terminal Input Module VDIV10 1 VDIV2 1 Voltage Divider Terminal Input Modules 2 Specifications 2 1 VDIV10 1 10 1 Resistive Divider Resistors 90 kQ 10 KQ Ratio Tolerance 25 C 0 02 Ratio Temperature 2 ppm C coeffi
7. epairs can be given on request When returning equipment the Repair Reference Number must be clearly marked on the outside of the package Note that goods sent air freight are subject to Customs clearance fees which Campbell Scientific will charge to customers In many cases these charges are greater than the cost of the repair CAMPBELL SCIENTIFIC EUROPE WHEN MEASUREMENTS MATTER Campbell Scientific Ltd Campbell Park 80 Hathern Road Shepshed Loughborough LE12 9GX UK Tel 44 0 1509 601141 Fax 44 0 1509 601091 Email support campbellsci co uk www campbellsci co uk Contents PDF viewers note These page numbers refer to the printed version of this document Use the Adobe Acrobat bookmarks tab for links to specific sections ie FUNCION a eek 1 2 Specifications a A 2 21 VDIVIO sra as 2 22 DI Zi AS 2 3 WINO A 2 4 Programming u eat 3 4 1 Exampler ios sitas eiii bici nenn 3 4 1 1 CR1000 CR800 CR8SO ooconcccccococonococononnonccancnncnoconocononconcrononncnnon 4 4 1 2 CR3000 ERSO00O coil lacio 4 ALS CROMO ett iii 4 ALAIOR ani ds Aiea a na Seat E 4 ALS CRIO a o isis died Mik haa a ABA 4 451 6 CRIA A 2 4 4 7 2X cote icv E E ET 4 Figures 1 Terminal Input Module asine ieii onia aaea 1 2 1 Voltage Divider Module Schematic ooooonocnnocnnonononononcnnnnanonoconnncnnccnncnnnono 2 3 1 Wiring for Differential Voltage Measurement u eenensenennennn 2 3 2 Wiring for Single Ended Voltag
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