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CR10TCR THERMOCOUPLE REFERENCE

REVISION:  12/96

COPYRIGHT (c) 1995-1996 CAMPBELL SCIENTIFIC, INC.

Summary of Contents for CR10TCR

Page 1: ...CR10TCR THERMOCOUPLE REFERENCE REVISION 12 96 COPYRIGHT c 1995 1996 CAMPBELL SCIENTIFIC INC ...

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Page 3: ...antability or fitness for a particular purpose CAMPBELL SCIENTIFIC INC is not liable for special indirect incidental or consequential damages Products may not be returned without prior authorization To obtain a Returned Materials Authorization RMA contact CAMPBELL SCIENTIFIC INC phone 435 753 2342 After an applications engineer determines the nature of the problem an RMA number will be issued Plea...

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Page 5: ... combination of the thermistor s interchangeability specification the precision of the bridge resistors and the polynomial error In a worst case all errors add to an accuracy of 0 4 C over the range of 24 to 48 C and 0 9 C over the range of 38 C to 53 C The major error component is the interchangeability specification of the thermistor tabulated in Table 1 For the range of 0 to 50 C the interchang...

Page 6: ...AG H L AG G G E1 E2 1 2 3 1 2 3 4 5 6 G 5V 5V P1 P2 C8 C7 C6 C5 C4 C3 C2 C1 CONTROL 12V SWITCHED CR10TCR LT 343403 FIGURE 4 CR10TCR Installed on the CR10 Wiring Panel 4 PROGRAMMING Instruction 11 is used to measure the CR10TCR Instruction 11 provides AC excitation makes a single ended voltage measurement and calculates temperature with a fifth order polynomial A multiplier of 1 0 and an offset of ...

Page 7: ...46 00 39613 46 00 48 00 36465 47 91 50 00 33598 49 77 52 00 30983 51 59 54 00 28595 53 35 56 00 26413 55 05 58 00 24419 56 70 60 00 22593 58 28 TABLE 4 Polynomial Coefficients Coefficient Value C0 53 4601 C1 90 807 C2 83 257 C3 52 283 C4 16 723 C5 2 211 6 ELECTRICALLY NOISY ENVIRONMENTS AC power lines can be the source of electrical noise If the datalogger is in an electronically noisy environment...

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