PART NUMBER:48-1245
- Dual Alpha/Beta Scaler
- Maximum Sample Size of
2" Diameter X 0.4" thick
DETECTOR: Model 43-10-1 Alpha beta sample counter (included)
SCINTILLATOR: ZnS(Ag) adhered to plastic scintillation material
TUBE: 2"(5.1cm) diameter magnetically shielded photomultiplier
WINDOW: 0.4 mg/ cm² aluminized mylar
ACTIVE AND OPEN AREA: 20.3 cm²
SAMPLE HOLDER:Anodized aluminum tray with 1" diameter sample ring to allow for 1" or 2" diameter samples
SAMPLE SIZE (maximum):2"(5.1cm) diameter X 0.4"(0.9cm) thick
EFFICIENCY (4pi geometry):
ALPHA: 37% - 230Th; 39% - 238U; 37% - 239Pu
BETA: 8% - 14C; 27% - 99Tc, 29% - 137Cs; 26% - 90Sr/90Y
CROSS TALK:
Alpha to beta - 10% or less
Beta to alpha - 1% or less
BACKGROUND:ALPHA - 3 cpm or less
BETA - Typically 80 cpm or less (10µR/hr field)
AUDIO: Built in unimorph type speakers with volume controls to provide a dual tone (1 per channel) click-per-event audio
SCALERS: 2 ea. 6 digit LED displays providing a range of 0 - 999999 counts (controlled by COUNT and HOLD buttons)
SCALER LINEARITY: Reading within plus or minus 2% of true value
TIMER: Thumbwheel adjustment from 0 - 99 minutes with selectable divisions of X0.1, X1, X10, or EXT for manual timing
METER DIAL: 0 - 2.5 kV; BAT TEST
LINEARITY: Reading within plus or minus 10% of true value
HIGH VOLTAGE: Adjustable from 200 - 2500 volts (will support 60 megohm scintillation loads)
THRESHOLD:
Alpha - 175 mV
Beta - 4 mV
BETA WINDOW: 50 mV
DATA OUTPUT: Two 15 pin connectors allowing for recorder, printer, or software interface (one for alpha, one for beta)
AMP OUT: "BNC" connector provides amplified detector pulse
POWER: 95 - 250 VAC (178 - 240 VAC available), 50 - 60 Hz single phase (less than 100 mA)
METER: 2.5"(6.4cm) arc, 1 mA analog type
CONSTRUCTION: Aluminum housing with powder coat
TEMPERATURE RANGE: -4° F(-20° C) to 122° F(50° C)
SIZE: 8.5"(21.6cm)H X 14.5"(36.8cm)W X 9"(22.9cm)D (including detector)
WEIGHT: 12.6 lbs (5.7kg) (including detector)
Meter Dial
202-014
0 - 2.5 kV
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