BACK

Ludlum Model 9 Ion Chamber Radiation Monitor

The Ludlum Model 9 Radiation Monitor is used for general purpose survey.

Contact Environmental Equipment and supply today for all your radiation detection and monitoring equipment needs.

	Weekly	Monthly		Rent this Product
	$75	$ 125

Features:

• Ion Chamber
  
• 4 Ranges
• Retractable Beta Shield
• Total Counting Range from 0 - 5000 mR/hr
• Built-In Audio
• Chamber Construction: Carbon coated acrylic
• Chamber Volume: 220 cm³
• Window: 7 mg/cm² aluminized mylar
• Window Area: Active - 40 cm² & Open - 30 cm²
• Beta Shield: Retractable 300 mg/cm² phenolic slide
• Energy Response: Within plus or minus 20% of true value from 10 keV - 2 MeV
• Beta Factor: 5.4 with uranium slab
• Audio: Built in unimorph speaker with ON/OFF switch
• Meter Dial: 0 - 5 mR/hr, BAT TEST
• Multipliers: X1, X10, X100, X1000
• Linearity: Reading within plus or minus 10% of true value
• Calibration Controls: Accessible from front of instrument (protective cover provided)
• Response: Typically 3 seconds from 10% to 90% of final reading
• Reset: Push-button to discharge chamber and zero meter
• Zero Adjust: 3 turn potentiometer
• Warm-up Time: Approximately 5 minutes
• Power: 2 each "D" cell batteries (housed in sealed compartment that is accessible from front of instrument)
• Battery Life: Greater than 200 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: 8"(20.3 cm)H X 3.5"(8.9 cm)W X 8.5"(21.6 cm)L
• Weight: 4 lbs (1.8 kg) including batteries