Omega TX94A User Manual Download Page 4

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FIGURES & TABLES

Figure 1-1

RTD Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Figure 2-1 Assembly inside a Protection Head . . . . . . . . . . . . . . . . . . . .4

Figure 2-2

Wiring Diagram for RTD Transmitter . . . . . . . . . . . . . . . . . . .5

Figure 3-1

Transmitter Calibration Set-Up . . . . . . . . . . . . . . . . . . . . . . . .7

Figure 5-1

Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Table 1-1

Range Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Table 1-2

Model Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Table 3-1

Calibration Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Summary of Contents for TX94A

Page 1: ...e mail info omega com For latest product manuals www omegamanual info TX94A Ultra Miniature Temperature Transmitters TM Shop online at omega com User sGuide ...

Page 2: ...specifications without notice omega com info omega com Servicing North America U S A Omega Engineering Inc Headquarters Toll Free 1 800 826 6342 USA Canada only Customer Service 1 800 622 2378 USA Canada only Engineering Service 1 800 872 9436 USA Canada only Tel 203 359 1660 Fax 203 359 7700 e mail info omega com For Other Locations Visit omega com worldwide ...

Page 3: ...ns 1 1 3 General Description 2 1 4 Features 2 1 5 Models Available 3 Section 2 Installation 2 1 Mounting 4 2 2 Wiring 5 Section 3 Calibration Instructions 3 1 Equipment Required 6 3 2 Set up of Equipment 6 3 3 Calibration Procedures 7 Section 4 Troubleshooting Guide 8 Section 5 Specifications 9 ...

Page 4: ... 2 Figure 2 1 Assembly inside a Protection Head 4 Figure 2 2 Wiring Diagram for RTD Transmitter 5 Figure 3 1 Transmitter Calibration Set Up 7 Figure 5 1 Dimensions 9 Table 1 1 Range Code 3 Table 1 2 Model Numbers 3 Table 3 1 Calibration Values 7 ...

Page 7: ... 120 F 40 to 49 C 1 0 to 200 F 18 to 93 C 2 0 to 300 F 18 to 149 C 3 0 to 500 F 18 to 260 C 4 0 to 750 F 18 to 399 C 5 0 to 1000 F 18 to 538 C 6 Table 1 2 Model Numbers Model Number Description TX94A RTD Transmitter 100 ohm Pt alpha 0 00385 Insert range code from Table 1 1 ...

Page 8: ...ounting The transmitter may be 1 surface mounted 2 mounted inside a protection head shown in Figure 2 1 Figure 2 1 Assembly of the Transmitter inside an PR 14 Protection Head SECTION A A POWER LINES RTD WIRES ...

Page 9: ...the PS and PS power terminals Note that the load usually a monitoring instrument may be connected to either the or power lead 2 Connect the RTD element to the IN and IN input terminals Figure 2 2 Wiring Diagram for RTD Transmitter 3 WIRE RTD RED BLACK RED BLACK JUMPER WIRE BLACK 2 WIRE RTD ...

Page 11: ...el Alpha 0 00385 Zero Span TX94A Zero Span 40 120 F 1 84 27 119 01 0 200 F 2 92 95 135 84 0 300 F 3 92 95 156 94 0 500 F 4 92 95 197 69 0 750 F 5 92 95 246 69 0 1000 F 6 92 95 293 46 COPPER WIRE RTD CALIBRATOR CL511 DECADE RESISTANCE BOX EITHER OR ZERO SPAN With 250 Ohm Load dc Supply must be at least 12 35 Vdc DC SUPPLY 8 35 Vdc DMM 4 20 mA MONITOR 250 Ohms ...

Page 14: ...an 4 20 mA dc Current Output Limits 3 to 28 mA typical Max Loop Resistance Vsupply 8V 0 020A ohms Load Resistance Effect 0 01 of span per 300 ohms change Power Supply Effect 0 002 of output span per volt Input Sensor 2 or 3 wire RTD Max Bridge Current 0 8 mA ...