Technical data

44G-A

44G-B

44G-S

Useful diameter, mm

18

Photocathode type

S-25

Resolution, lp/mm

57

51

64

Signal to noise (at 108µlx)

22

20

24

Luminous sensitivity at 2850^oK, μA/lm

550

550

600

Radiant sensitivity at λ=850 nm, mA/W

45

35

50

Gain at 2×10^-5 cd/m²/lx, min

35000/π

35000/π

35000/π

Equivalent Background Input (EBI), µlx, max

1,5×10^-3

Input current, mA

16

Input voltage, V

2,0÷3,6

Weight, g

55

MTTF (Mean time to failure), hours

5000

Frequency, lp/mm

Contrast transfer coefficient

44G-A

44G-B

44G-S

2.5

88

87

90

7.5

72

67

78

15,0

50

42

55

Zone
number

Circular
zone
dimensions, mm

Maximum diameter of spots

Admitted total
area of spots, mm²

neglected

admitted

diameter, mm

quantity

I

9.0

0.06

0.12

1

0.10

II

9.0-14.4

0.08

0.18

1

0.20

III

14.4-18.0

0.10

0.20

2

0.35