MPC-900-GF
Features
- Manual Single Sample Counter
- 2 in. (5.1 cm) Standard Planchet Diameter
- Windowless or Windowed Hemispherical Gas Flow Detector
- Counting Gas Loss Detection
- Touch Screen Interface
- Lightweight Portability
- Radon Compensation For Air Filters
- Gas Conservation
- Optional Lead Shielding to Reduce Background Levels
Overview
The MPC-900-GFW and MPC-900-GFL are convenient and versatile benchtop counters equipped with hemispherical gas-flow proportional type detectors that support easy portability. These sample counters are ideal for standard health physics applications such as smears and air filters. They can also be used for radiochemistry applications when alpha only counting is of interest. The MPC-900-GFL uses a windowless gas-flow proportional detector that delivers higher efficiencies for projects involving alpha emitters and higher activity low-energy beta emitters. Each counter has the ability to program routines and QC charts on a PC running the included DUO Express software, then transfer the routines to the instrument using a direct-connect PIC Link cable.
MPC-900-GFW Part Number: 105-900-W
MPC-900-GFL Part Number: 105-900-WL
Specifications
All specifications are subject to change without notice.
Physical
| Sample Detector | 2.25 in. (5.7 cm) diameter, hemispherical style gas flow proportional |
|---|---|
| Window | MPC-900-GFW: Aluminized, 80 µg/cm2 MPC-900-GFL: Windowless |
| Counting Gas | P-10, 60 cc/min. at 10 psi |
| Gas-PRO™ | Fail-safe P-10 monitoring system senses breaches in gas flow |
| Shielding | Optional lead ring (see Options & Accessories tab) |
| Sample Size | 2 in. (5.1 cm) diameter planchets, 1/8, 1/4, 5/16 in. (3.2, 6.3, 7.9 mm) deep |
| Count Modes | Alpha only, Alpha/Beta simultaneously, Alpha then Beta |
| Interface | Touch screen |
| Data Export | USB PIC Link, USB Flash Drive |
| Power | 110 - 240 Vac, 50 - 60 Hz input |
| Environment | |
| Size (H x W x D) | 20.25 x 9 x 16 in. (51.4 x 22.9 x 40.6 cm) |
| Weight | 40 lb (18.1 kg) |
Performance
Typical Background
| Alpha | Beta | |
|---|---|---|
| Without Lead | 0.05 cpm (warranted < 0.1 cpm) |
40 cpm (warranted < 55 cpm) |
| With Lead | 0.05 cpm (warranted < 0.1 cpm) |
30 cpm (warranted < 45 cpm) |
Typical Efficiency - MPC-900-GFW (windowed)
| Source | Top | 1/8 in. (3.2 mm) Bottom | 1/4 in. (6.3 mm) Bottom | 5/16 in. (7.9 mm) Bottom |
|---|---|---|---|---|
| 239Pu | 40% | 32% | 26% | 24% |
| 90Sr/90Y | 55% | 48% | 40% | 37% |
| 99Tc | 47% | 37% | 30% | 27% |
Typical Efficiency - MPC-900-GFL (windowless)
| Source | Top | 1/8 in. (3.2 mm) Bottom | 1/4 in. (6.3 mm) Bottom | 5/16 in. (7.9 mm) Bottom |
|---|---|---|---|---|
| 239Pu | 47% | 47% | 47% | 47% |
| 90Sr/90Y | 60% | 62% | 62% | 62% |
| 99Tc | 58% | 58% | 58% | 58% |
Planchet, 2 in. x 1/8 in., set of 100
Planchet, 2 in. x 1/4 in., set of 100
Planchet, 2 in. x 5/16 in., set of 100© 2026 Protean Instrument