Ludlum Model 2401-P Pocket Survey Meter

PART #:48-2875

• 3 Ranges
• Built-In Pancake G-M
• Built-In Audio
• Total Counting Range from 0 - 15 mR/hr and 0 - 50,000 cpm

Ludlum Model 2401-P Pocket Survey Meter Specifications:

DETECTOR: Pancake G-M
SENSITIVITY: Typically 3300 cpm/mR/hr (¹³⁷Cs gamma)
ENERGY RESPONSE: Energy dependent
METER DIAL: 0 - 0.15 mR/hr; 0 - 500 cpm; BAT OK
MULTIPLIERS: X1, X10, X100
LINEARITY: Reading within plus or minus 10% of true value
AUDIO: Built in unimorph speaker (select quiet position on main switch to silence the audio)
CALIBRATION CONTROLS: Accessible from front of instrument
RESPONSE: Typically 5 seconds from 10% to 90% of final reading
POWER: 1 ea. 9 volt
BATTERY LIFE: Typically 250 hours with alkaline batteries (battery condition can be checked on meter )
METER: 2.5" (6.4 cm) arc, 1 mA analog type
CONSTRUCTION: Aluminum housing with beige polyurethane enamel paint, and a recessed subsurface printed membrane front panel
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: 1.8" (4.6 cm)H X 3.3" (8.4 cm)W X 5.3" (13.5 cm)L
WEIGHT: 0.9 lbs (0.4 kg) including batteries