Ludlum Model 18 Analyzer

  • Total Counting Range from 0 - 500,000 cpm
  • 4 Ranges
  • 3 Independent High Voltage Settings
  • Adjustable Threshold
  • Adjustable Window with ON/OFF

PART # :48-1613

COMPATIBLE DETECTORS for Ludlum Model 18: GM, proportional, scintillation
METER DIAL: 0 - 500 cpm, 0 - 2.5 kV, BAT TEST (others available)
MULTIPLIERS: X1, X10, X100, X1000
LINEARITY: Reading within plus or minus 10% of true value with detector connected
CONNECTOR: Series "C" (others available)
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: Three independent settings, each adjustable from 200 - 2500 volts (can be read on meter)
THRESHOLD: Adjustable from 2 - 60 mV
WINDOW: Adjustable from 0 - 60 mV above threshold (can be turned on or off )
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 600 hours with alkaline batteries (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: -4° F(-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

 

Suggested detectors for Ludlum Model 18 Analyzer:

For
Alpha
Measurements

For
Beta
Measurements

For
Gamma
Measurements

Model 43-20
Model 43-44
Model 43-44-1
Model 43-68

Model 44-7
Model 44-9
Model 43-1
Model 43-2
Model 43-5
Model 43-65
Model 43-90

Model 43-20
Model 43-68
Model 44-1
Model 44-7
Model 44-9
Model 44-21
Model 44-92
Model 44-98
Model 44-116

 

Model 44-2
Model 44-3
Model 44-10
Model 44-17
Model 44-20
Model 44-21
Model 44-62

Probes are not included in the price of Model 18 Analyzer. Probes are priced separately.

Common Meter Dial for Ludlum Model 18 Analyzer

202-356
0 - 500 cpm; 0-2.5 kV
For Any Detector

Accessories Replacement Parts

Check Source
Source Holder
Overload Indicator
Scaler Option
Shoulder Strap
Headset
Standard Carrying Case
Air and Water Tight Carrying Case

Cables
Meter Bezel
Meter Movement
Handle
Probe Clip

 

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