WPC-1150-GFW Auto Sample Changer

The WPC-1150-GFW‑3.5 and WPC-1150-GFW-5 low background automatics are gas-flow proportional counters equipped with either a 3.5 in. (8.9 cm) or 5.0 in. (12.7 cm) detector configuration. Each counter incorporates a built-in color touch screen interface and is targeted toward Health Physics and environmental applications. They are ideal for large diameter air filters used in high-volume air samplers.

Features:

• 3.5 in. (8.9 cm) or 5.0 in. (12.7 cm) diameter pancake flow detector

• Anti-cosmic ray coincidence detector

• Low background system

• Customer selectable pallet sizes

• 50 sample capacity

• Touch screen interface

• Gas path real-time monitoring

Performance

Typical background
Model	WPC-1150-3.5	WPC-1150-5
Alpha	0.3 cpm	0.4 cpm (0.5 cpm guaranteed value)
Beta	1.5 cpm	4 cpm (5 cpm guaranteed value)
Typical efficiency
230Th	27%
90Sr/90Y	63%
99Tc	41%
63Ni	20%
Crosstalk
Alpha-Beta	<0.1%
Beta-Alpha	<0.1%

Technical Parameters

Item	Specification
Detector	WPC-1150-GFW-3.5: 3.5 in. (8.9 cm) diameter, pie-shaped gas flow detector WPC-1150-GFW-5: 5 in. (12.7 cm) direct, pie-shaped gas flow detector
Detector window	Aluminum film, 80 µg/cm2
Coincidence detector	1 Large volume gas flow detector
Working gas	P-10, 60 cc/min, 10 psi
Gas-PRO	P-10 Gas Monitoring System
Shield	4 in. (10 cm) lead shield

WPC-1150-GFW Auto Sample Changer