Campbell AM25T Spécifications

AM25T Solid State MultiplexerRevision: 1/10Copyright © 1995-2010Campbell Scientific, Inc.

AM25T Solid State Multiplexer AM25T FIGURE 2. External Battery Connections 4. Sensor to AM25T Wiring This section and the examples describe differen

AM25T Solid State Multiplexer FIGURE 3. Differential Measurement of Type T Thermocouple 4.2 Differential Analog Measurements Connect one differenti

AM25T Solid State Multiplexer 5. General Measurement Considerations Cables have additional capacitance that increases the time required for a signal

AM25T Solid State Multiplexer is greater than 1, the Dest parameter must be a variable array. If 0 is entered, the only measurement that is made is th

AM25T Solid State Multiplexer ClkPort: The ClkPort argument is the control port that will be used to clock the AM25T. One clock port may be used with

AM25T Solid State Multiplexer Mult, Offset: The Mult and Offset parameters are each a constant, variable, array, or expression by which to scale the r

AM25T Solid State Multiplexer ‘Main Program BeginProg Scan (1,Sec,0,0) AM25T (TC(),25,mV2_5C,1,1,TypeT,Tref,5,4,Vx1,True,0,250,1.0,0) CallTable D

AM25T Solid State Multiplexer 'Only the Reference Temperature is measured and stored in RTemp_C. 'To do this, enter 0 for the REP

AM25T Solid State Multiplexer TABLE 6-3. RTD Excitation Voltage and Measurement Range for AM25T Multiplexers Prior to Serial Number 1839 Datalogger

AM25T Solid State Multiplexer 03: Full Bridge (P6) ;Measure the output of the reference temp. full bridge 1: 1 Reps 2: 23 25 mV 60 Hz Rejec

Warranty and Assistance The AM25T SOLID STATE MULTIPLEXER is warranted by CAMPBELL SCIENTIFIC, INC. to be free from defects in materials and workmansh

AM25T Solid State Multiplexer Example 4. CR10(X) Program for Measuring 25 Type T Thermocouples with the Differential Thermocouple Instruction and Lon

AM25T Solid State Multiplexer 09: BR Transform Rf[X/(1-X)] (P59) ;Calculate RTD resistance R/R0 1: 1 Reps 2: 1 Loc [ RefTemp_C ] 3: 10.025

AM25T Solid State Multiplexer 6.2.2 Example CR23X Program The CR23X uses Instruction 134 for measuring thermocouples or voltages with the AM25T. Exa

Appendix A. Single-Ended Measurements Single-ended measurements with the AM25T are not recommended. This is not due to any problem with the AM25T.

Appendix A. Single-Ended Measurements A.1.1 Thermocouple Measurements Wire the high side of each thermocouple into an input terminal. The low side

Appendix A. Single-Ended Measurements 05: Temperature RTD (P16) ;Calculate reference temperature 1: 1 Reps 2: 1 R/R0 Loc [ RefTemp_C ] 3

Appendix A. Single-Ended Measurements 03: BR Transform Rf[X/(1-X)] (P59) ;Calculate RTD resistance R/R0 1: 1 Reps 2: 1 Loc [ RefTemp_C ]

Appendix A. Single-Ended Measurements FIGURE A-2. Single-Ended Measurement A.2 Indexing with Loops When a multiplexer is measured with a measureme

Appendix A. Single-Ended Measurements instruction has one repetition. If the instruction has two repetitions, then every other Input Location will b

Appendix A. Single-Ended Measurements Example A-4. Measuring Single Ended Thermocouples with the Input Location Indexed and no Step Loop Index 01:

AM25T Solid State Multiplexer Table of Contents PDF viewers note: These page numbers refer to the printed version of this document. Use the Adobe Ac

Appendix A. Single-Ended Measurements A-8

Appendix B. Differences Between the AM25T, AM416, and the AM32 The AM25T differs from Campbell Scientific's AM416 and AM32 multiplexers in the f

Appendix B. Differences Between the AM25T, AM416, and the AM32 B-2

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AM25T Solid State Multiplexer Table of Contents ii Figures 1. AM25T Thermocouple Multiplexer...

AM25T Solid State Multiplexer 1. General The AM25T Multiplexer increases the number of channels for measuring thermocouples or voltage sensors with C

AM25T Solid State Multiplexer OPERATING TEMPERATURE Standard: -40°C to +85°C RTD accuracy ±0.4°C OPERATING HUMIDITY Noncondensing: 0 to 95% DIMENSIO

AM25T Solid State Multiplexer The terminal strips that run the length of the AM25T are for sensor connections. All inputs are protected by spark gaps

AM25T Solid State Multiplexer Ground (GND) Each differential input channel has a ground terminal located next to it. The ground terminal is common wi

AM25T Solid State Multiplexer U-bolts are used to attach the enclosures to a 1.25" NPT pipe. The enclosure may also be lag-bolted to a wall or s