External Probe and Internal high range G-M probe
for Nuclear Medicine Applications
One used model available, with 44-9 probe........$1000 + shipping (Order Online)
The Ludlum Model 14C survey meter was designed to meet nuclear medicine requirements. The Model 14C is similar to the Model 3, but with an internal energy compensated G-M detector. It can be used with one or more external GM or scintillation detectors for alpha, beta, or gamma detection up to 0-200 mR/hr. This additional internal detector creates fifth high range of 0-2000 mR/hr in addition to the four ranges covered by the external probe. It is used in hosptials, universities, power plants and regulatory facilities. Standard scale is 0-2 mR/hr with five counting ranges: x0.1, x1, x10, x100, and x1000. (Dual scale cpm & mR/hr are available on request). Two “D” cells provide over 200 hours of operation. The Model 14C is supplied as shown with built-in speaker.
Digital versions of this type of survey meter are also available.
Ludlum 14C Specifications
Compatible Detectors: G-M,
scintillation
Meter Dial:Typically 0 - 2 mR/hr and cpm, BAT TEST (others
available )
Multipliers: X0.1, X1, X10, X100, X1000
Linearity: Reading within plus or minus 10% of true value with
detector connected
Connector: Series "C" (others available )
Internal Detector: Energy compensated G-M (used
with X1000 scale only)
Energy Response: Within plus or minus 15% of true value between
60 keV - 3 MeV (internal detector only )
Threshold: 30 mV plus or minus 10 mV
Audio: Built in unimorph speaker with ON/OFF switch (greater
than 60 dB at 2 feet )
Calibration Controls: Accessible from front of instrument (protective
cover provided )
High Voltage: 900 volts
Threshold: 30 mV plus or minus 10 mV
Response: Toggle switch for FAST (4 seconds) or SLOW (22 seconds)
from 10% to 90% of final reading
Reset: Push-button to zero meter
Power: 2 each "D" cell batteries (housed in sealed compartment
that is externally accessible )
Battery Life: Typically greater than 1000 hrs.(battery
condition can be checked on meter )
Meter: 2.5" (6.4 cm) arc, 1 mA analog type
Construction: Cast and drawn aluminum with beige polyurethane
enamel paint
Temperature Range: (-20° C) to 122° F(50° C)
May be certified for operation from -40° F(-40° C) to 150° F(65° C)
Size: 6.5" (16.5 cm)H X 3.5" (8.9 cm)W X 8.5" (21.6 cm)L
Weight: 3.5 lbs (1.6 kg) including batteries
Note that the Ludlum Model 14C Survey Meter houses an internal energy-compensated G-M detector with limitations listed in the description. External suggested detectors are listed below and are not included with the survey meter price. An additional charge will be added for each detector ordered.
Recommended external probes for the Ludlum Model 14C: Model 44-7, 44-9, 44-38, 44-2, 44-3, and others.
Ordering Information
DS 051-014 Model 14C Survey Meter
DS 051-014-7 Model 14C Survey Meter with Model 44-7 probe
DS 051-014-9 Model 14C Survey Meter w/ Model 44-9 probe
DS 051-014-3/9 Model 14C Survey Meter w/ 44-9 and 44-3
NaI probe
