Federal Civil Defense
Administration
Item Number CD V-710

CD V-710 Meters
CD V-710 Radiological Survey Meters
From right to left Jordan Model 2, Victoreen Model 3, Jordan Model 4, Victoreen Model 5.

The CD V-710 is a portable monitoring instrument which measures gamma radiation dose rates as high
as 50 roentgens per hour. It is designed to be used by radiological Civil Defense personnel in determining
radioactive contamination levels that may result from an enemy attack or other nuclear disasters.
Instrument accuracy on any of its three ranges is within ± 20% of the true dose rate from Cobalt 60 gamma
radiation. This accuracy is maintained throughout a temperature range of -20° F to +125° F, relative
humidities to 100% and at altitudes from sea level to 25,000 feet.

The detecting element is an hermetically sealed ionization chamber. This chamber is located in the lower
front portion of the instrument to make the instrument equally sensitive to radiation from the bottom and
front. The plastic lined steel chamber has a wall thick enough to make the instrument insensitive to
fission product beta rays. The ionization chamber is hermetically sealed to eliminate changes in
sensitivity due to changes in air pressure resulting from altitude changes, temperature changes, and
 moisture effects. The ion chamber is replaceable without disturbing the calibration of the instrument.

Battery life is 200 + hours of continuous use.
Government Procurement Fiscal Year 1955 - 1985 170,750


Inside View
 Jordan Electronics
CD V-710 Model 2

Inside View
The Victoreen Instrument Co.
CD V-710 Model 3

Inside View
Jordan Electronics
CD V-710 Model 4

Inside View
The Victoreen Instrument Co.
CD V-710 Model 5
Click each photo to view a page on the inside of each meter.


My Complete Collection of CD V-710 Survey Meters

Jordan CD V-710 Model 2


Jordan Electronics, Inc.
CD V-710 Model 2
Serial Number: 556


The Victoreen Instrument Co.
CD V-710 Model 3
Serial Number: 10222
Victoreen CD V-710 Model 3
Jordan CD V-710 Model 4


Jordan Electronics, Inc.
CD V-710 Model 4  
 
Serial Number: 07247


The Victoreen Instrument Co.
CD V-710 Model 5
Serial Number: 50123
Note aluminum cover over meter , this is the only difference between these two CD V-710 Model 5's.

See also:  TTL Electrometer 125
Victoreen CD V-710 Model 5
Victoreen CD V-710 Model 5


The Victoreen Instrument Co.
CD V-710 Model 5
Serial Number: 51067
Note no aluminum cover over meter , this is the only difference between these two CD V-710 Model 5's.

See also:  TTL Electrometer 125

Note: The CD V-710 & CD V-720 were replaced by the CD V-715.

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