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Campbell Scientific AM25T 25-Channel Solid State Multiplexer User Manual

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AM25T Solid State Multiplexer
Table of Contents

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1. General

.........................................................................1

1.1 AM25T Specifications..............................................................................1
1.2 Physical Description .................................................................................2
1.3 Operation ..................................................................................................3

2. Installation

....................................................................4

3. Datalogger to AM25T Wiring

.......................................5

4. Sensor to AM25T Wiring

.............................................6

4.1 Thermocouple Measurement ....................................................................6
4.2 Differential Analog Measurements...........................................................7
4.3 Mixed Sensor Types .................................................................................7

5. General Measurement Considerations

......................8

6. Datalogger Programming

............................................8

6.1 CRBasic Programming .............................................................................8

6.1.1 Example CRBasic Programs.........................................................11

6.1.1.1 CR1000 Example Program 1...............................................11
6.1.1.2 CR1000 Example Program 2...............................................12

6.2 Edlog Programming................................................................................13

6.2.1 Example CR10(X) Programs ........................................................14
6.2.2 Example CR23X Program ............................................................18

Appendices

A. Single-Ended Measurements

................................. A-1

A.1 Directions for Single-Ended Measurements ....................................... A-1
A.2 Indexing with Loops ........................................................................... A-5

B. Differences Between the AM25T, AM416, and
the AM32

........................................................................ B-1

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