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800-620-8803 
Add a Counts.Pro for $499 to digitize your and record your counting and turn your meter into a digital scaler/ratemeter/cloud connected GPS datalogger! Take your meter to the next level with Counts.Pro
The Ludlum Model 2200 is a general purpose radiation scaler with an accompanying ratemeter, and is typically used for counting samples. Its rugged design and construction facilitate both benchtop and portable applications. The wide-ranging AC power supply and internal batteries are capable of powering the instrument upwards of 120 hours. The Model 2200 supports GM, proportional and scintillator-type radiation detectors, and provides fine adjustment controls for setting the high-voltage and threshold settings. An adjustable discriminator and an adjustable window allow the user to count pulses within a user specified energy range. This portable unit can be powered by wall current or by four “D” cell batteries. The latter allows for continued operations during power interruptions. An optional printer (Model 4167-386) is available for hardcopy archival of wipe test results. ● General Purpose Radiation Scaler/Ratemeter
● Single Channel Analyzer
● Supports GM, Proportional and Scintillation Detectors
● Portable Battery Operation
● RS-232 Interface
APPLICATION: gross radiation counting; single channel analyzing
COMPATIBLE RADIATION DETECTORS: GM, proportional, scintillation
CONNECTOR: series “C” (others available)
SCALER: six-digit LED display providing a range of 0-999999 counts
SCALER LINEARITY: reading within 2% of true value
TIMER: push-wheel adjustment from 0-999 minutes with selectable x0.1 and x1 multipliers
RATEMETER: 0-500,000 cpm total range
METER: 2.5″(6.4cm) arc, 1 mA analog type
METER DIAL: 0-500 cpm; 0-2.5 kV; BAT TEST
MULTIPLIERS: x1, x10, x100, x1000
RATEMETER LINEARITY: reading within 10% of true value
RESPONSE: toggle switch for FAST (4 s) or SLOW (22 s) from 10% to 90% of final reading
ZERO: pushbutton to zero meter
HIGH VOLTAGE: adjustable from 200-2500 volts (will support 60-megohm scintillation loads)
THRESHOLD: adjustable from 1.0-10.0
WINDOW: adjustable from 0-10.0 above threshold setting (can be enabled or disabled)
DISCRIMINATOR: adjustable from 2-100 mV at a threshold setting of 1.00
RS-232: 9-pin connector allowing for printer or computer interface
POWER: 95-250 Vac 50-60 Hz or 4 each “D” cell batteries
BATTERY LIFE: typically 120 hours with alkaline batteries (battery condition can be checked on meter)
CONSTRUCTION: aluminum housing with beige powder coat paint
TEMPERATURE RANGE: -4 to 122°F (-20° to 50°C), may be certified -40 to 65 °C (-40 to 150 °F)
SIZE: 8.5 x 5 x 8.5 in. (21.6 x 12.7 x 21.6 cm) (H x W x L), excluding handle
WEIGHT: 7.5 lb (3.4 kg), including batteries
CE CERTIFIED: yes
