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Signal to noise ratio, Environmental – Mirion Technologies R93 MK3 User Manual

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R93 CCU

PERFORMANCE USING R90 MK 3 SERIES CCU

Resolution (in air) dependent on viewing head
as follows:

SPECIFICATION AND PERFORMANCE: OPTICS

Non-browning 9mm D mount auto iris lens fitted as standard. Optional non-browning 6mm and 25mm D mount
lenses and C mount lenses available.

Viewing angles in air (typical)

Horizontal

Vertical

Diagonal

Focus Range

Standard 9mm lens

50°

39°

61°

30mm to infinity

Optional 6mm lens

73°

58°

85°

5mm to infinity

Optional 25mm lens

20°

15°

25°

170mm to infinity

SPECIFICATION NOTES

1. A “good” picture is defined as one where the illumination

available is sufficient for the camera to produce a 1 volt
composite video signal with a fully open iris.

2. A “usable” picture can usually be obtained dependent on

the scene viewed and environmental factors etc, when the
illumination available is only 1/3 that required to achieve a
1 volt composite video signal with a fully open iris.

3. Mirion should be consulted with regard to very critical viewing

requirements, or in cases where there are important lighting,
resolution, environmental or viewing angle considerations.

4. In applications where there are severe space constraints care
should be taken to allow for the size of the camera cable
mating connector and, if necessary, the bend radius of the
connecting camera cable. Please refer to the IST-Rees R90 series
cables and connectors data sheet.

SIGNAL TO NOISE RATIO

(CCIR weighted)

>43dB (CCU standard gain)
>36dB (CCU high gain)

ELECTRICAL (EXCLUDING VIEWING HEADS OR
LENS BODIES)

Max power

3 watts

Mechanical

Stainless Steel, non-browning
optics

Optics

See table below.

Cable Length

Minikevlar

200m max (656 feet)

TV36

200m max (656 feet)

ENVIRONMENTAL

Operating temperature

-25 to 55°C (-13° to 130°F)

Storage temperature

-25 to 60°C (-13° to 140°F)

Humidity (non-condensing)

95%

(The R93 Camera is fully waterproof when fitted with an appropriate
viewing head or lens body.)
Radiation tolerance

2 MGy (H

2

0)[

60

Co] (2 x 10

8

rads)

total dose >30k Gy/hour
(>3 x 10

6

rads per hour) Vidicon

1k Gy/hour (1x10

5

rads per hour)

Newvicon/Chalnicon

R93 Camera Head/Lens Body

Horizontal Resolution
Center - Zone 1
(TV Lines per Picture Height)

R93/00, 01, 02, 05, 65, 65L

650

R93/03 in air

500

R93/09

500

Tube availability.