WPC-1050-GFW-2

Automatic low-background alpha/beta counter, 50 or 100 samples

General-purpose low-background counter for health physics and radiochemistry, with automatic sample changer and barcode reader. The pancake gas-flow detector sits in 10 cm of lead with a cosmic guard detector, the window is easy to replace and Gas-PRO monitors the gas flow. An improved design of the WPC-9550.

Detector type
Pancake-style gas-flow proportional detector, Ø5.7 cm1
Weight
50 samples: 195 kg; 100 samples: 200 kg1
Datasheet

Specifications checked against the manufacturer’s documents on 2026-10-17

Manufacturer’s product page (opens in a new tab)

Overview

Key features

  • 50 samples as standard, 100 as an option
  • Optional dual-anode detector
  • Radon compensation for air filters

Specifications

The number after each value refers to the source listed below. Values are as published by the manufacturer; the exact configuration is always confirmed in our quotation.

Detector

Detector typePancake-style gas-flow proportional detector, Ø5.7 cm1
WindowAluminised, 80 µg/cm²; easy to replace1
Guard detector1 gas-flow proportional detector (cosmic guard)1
Sample geometryPlanchets Ø5.1 cm (2 in), 1/8, 1/4 or 5/16 in deep (3.2, 6.3 or 7.9 mm)1

Performance

Typical detection efficiencyTop / 1/8″ / 1/4″ / 5/16″ bottom: ²³⁹Pu 35/31/25/24%, ⁹⁰Sr/Y 51/47/40/39%, ⁹⁹Tc 39/33/28/26%; with optional dual-anode detector: ²³⁹Pu 38%, ⁹⁰Sr/Y 53%, ⁹⁹Tc 35%, ⁶³Ni 15%1
Background rateWith lead and guard: warranted alpha <0.1 cpm, beta <0.9 cpm (typical 0.05 and 0.7); with dual-anode detector beta <1.0 cpm warranted1

Cooling

Sample capacityAutomatic changer for 50 samples (100 optional) with barcode reader, sample range 1–9991

Software & data

SoftwareDUO Express for programming, data management and control charts; Vista 2000 (radiochemistry) and Vista FC (health physics) as options1

Connectivity & interface

CommunicationData export via USB PIC Link and USB flash drive1
User interfaceTouch screen1

Power & battery

Power supply110–240 V AC, 50–60 Hz1

Mechanical

Dimensions50 samples: 83.8 × 81.3 × 63.5 cm; 100 samples: 129.5 × 81.3 × 63.5 cm (H × W × D)1
Weight50 samples: 195 kg; 100 samples: 200 kg1

General

Counting gasP-10, 60 cc/min at 10 psi; Gas-PRO fail-safe monitoring senses breaches in gas flow1
Lead shielding10.2 cm (4 in) lead1
Count modesAlpha only; alpha/beta simultaneously; alpha then beta1
UseHealth physics and radiochemistry, for example smears and air filters1

The data comes from the manufacturer’s published documents. Manufacturers may change specifications; the current configuration and performance are confirmed in the quotation.

Documents

Sources

The number after each value refers to the source listed below. Values are as published by the manufacturer; the exact configuration is always confirmed in our quotation.

  1. 1
    Publisher: ORTEC (AMETEK)Product page Instrument Specifications; Specifications; Overview; Instrument Specifications; Performance; Optional Dual Anode Detector … Checked 2026-10-16
WPC-1150-GFW-3/GFW-5
ORTEC

WPC-1150-GFW-3/GFW-5

Automatic alpha/beta counter with a large detector for air filters

Detector type
Pancake-style gas-flow proportional detector, Ø8.9 cm (GFW-3) or Ø12.7 cm (GFW-5)
Weight
816 kg
20 referenced values
Vista 2000
ORTEC

Vista 2000

Alpha/beta counter control and analysis software for radiochemistry

Primary function
Analysis, QC and reporting for radiochemistry in the application that controls the alpha/beta counter
Intended system
Any mix of up to 64 detectors (MDS, WPC-9550 and MPC-9300); controls single and multi-detector, automatic and manual systems
Quality control
Trends, efficiency and background
6 referenced values
Vista FC
ORTEC

Vista FC

Alpha/beta counter control software for health physics

Primary function
Control software for health-physics sample counting with the WPC-9550 and other compatible systems
Sample parameters
Input of e.g. air volume and liquid volume
Access control
Password-protected instrument setup
5 referenced values
MPC-9604
ORTEC

MPC-9604

Four-detector alpha/beta counter for high sample throughput

Detector type
Four pancake-style gas-flow proportional detectors, Ø5.7 cm, with cosmic guard detector
Weight
544 kg (shipping 635 kg); the support surface must bear 1,200 lb per unit
21 referenced values
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