Emerson UVU-140A-AR user manual Appendix C Wire Resistance In Ohms

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Appendix C Wire Resistance In Ohms

Distance

AW G #20

AW G #18

AW G #16

AW G #14

AW G #12

AW G #10

AW G #8

(Feet)

 

 

 

 

 

 

 

100

1.02

0.64

0.40

0.25

0.16

0.10

0.06

200

2.03

1.28

0.08

0.51

0.32

0.20

0.13

300

3.05

1.92

1.20

0.76

0.48

0.30

0.19

400

4.06

2.55

1.61

1.01

0.64

0.40

0.25

500

5.08

3.20

2.01

1.26

0.79

0.50

0.31

600

6.09

3.83

2.41

1.52

0.95

0.60

0.38

700

7.11

4.47

2.81

1.77

1.11

0.70

0.44

800

8.12

5.11

3.21

2.02

1.27

0.80

0.50

900

9.14

5.75

3.61

2.27

1.43

0.90

0.57

1000

10.20

6.39

4.02

2.53

1.59

1.09

0.63

1250

12.70

7.99

5.03

3.16

1.99

1.25

0.79

1500

15.20

9.58

6.02

3.79

2.38

1.50

0.94

1750

17.80

11.20

7.03

4.42

2.78

1.75

1.10

2000

20.30

12.80

8.03

5.05

3.18

2.00

1.26

2250

22.80

14.40

9.03

5.68

3.57

2.25

1.41

2500

25.40

16.00

10.00

6.31

3.97

2.50

1.57

3000

30.50

19.20

12.00

7.58

4.76

3.00

1.88

3500

35.50

22.40

14.10

8.84

5.56

3.50

2.21

4000

40.60

25.50

16.10

10.00

6.35

4.00

2.51

4500

45.70

28.70

18.10

11.40

7.15

4.50

2.82

5000

50.10

32.00

20.10

12.60

7.94

5.00

3.14

5500

55.80

35.10

22.10

13.91

8.73

5.50

3.46

6000

61.00

38.30

24.10

15.20

9.53

6.00

3.77

6500

66.00

41.50

26.10

16.40

10.30

6.50

4.08

7000

71.10

44.70

28.10

17.70

11.10

7.00

4.40

7500

76.10

47.90

30.10

19.00

12.00

7.49

4.71

8000

81.20

51.10

23.10

20.20

12.70

7.99

5.03

9000

91.40

57.50

36.10

22.70

14.30

8.99

5.65

10 000

102.00

63.90

40.20

25.30

15.90

9.99

6.28

NOTE: RESISTANCE SHOWN IS ONE WAY. THIS FIGURE SHOULD BE DOUBLED WHEN

DETERMINING CLOSED LOOP RESISTANCE.

19

Image 23
Contents UVU-140A and UVU-140-AR Unitized Ultraviolet Fire Detector Page Table of Contents Page Spectral Sensitivity Range FeaturesTechnical Information IntroductionOperating Voltage Range 24Vdc nominal 10.5 to 32Vdc SpecificationsResponse Time ApplicationsMounting the Detector InstallationWhat’s in the package Position and Density of Detectors False AlarmsDetector with Swivel Mount Swivel Mount General Wiring Requirements Wiring Diagram for UVU-140-A If the 4-20 mA signal is System Sensitivity Detector SettingsCoil and Relay Settings Automatic vi Test Start up ProcedureCheck Out Procedure Start UP and TestTest Procedures Manual Check ProcedureManual vi Test Procedure Current & Relay Output Conditions Normal OperationNormal Operation Fire ConditionCleaning Viewing Window and Reflector MaintenanceRoutine Maintenance TroubleshootingDevice Repair and Return B lis h ed in Accordance with E1A standard Appendix B Common Ultra-Violet Absorbing Gases Appendix C Wire Resistance In Ohms