MPC-900-DP
Features
- Manual Single Sample Counter
- 2 in. (5.1 cm) Standard Planchet Diameter
- Dual Phosphor Scintillator Detector
- Touch Screen Interface
- Lightweight Portability
- Radon Compensation For Air Filters
- Available Cosmic Guard Detector Option (More Information)
- Optional Lead Shielding to Reduce Background Levels
Overview
The MPC-900-DP is a convenient and versatile benchtop counter equipped with a dual phosphor scintillator type detector that supports gasless operation and easy portability. This sample counter is ideal for standard health physics applications such as smears and air filters. The MPC-900-DP 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.
Part Number: 105-900-DP
Specifications
Specifications are subject to change without notice
Physical
| Sample Detector | 2 in. (5.1 cm) diameter, ZnS + plastic dual phosphor |
|---|---|
| Window | Aluminized, 80 µg/cm2 |
| Guard Detector | Optional (see Options & Accessories tab) |
| 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 |
| 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) Guard detector option adds approx. 2.5 in. (6.4 cm) in height |
| Weight | 40 lb (18.1 kg) |
Performance
Typical Background - Optimized for Lower Energy Betas
| Alpha (cpm) | Beta (cpm) | |
|---|---|---|
| With Guard & Lead | 0.05 | 20 |
| With Guard, No Lead | 0.06 | 27 |
| No Guard, With Lead | 0.09 | 43 |
| No Guard, No Lead | 0.08 | 49 |
Typical Background - Optimized for Higher Energy Betas
| Alpha (cpm) | Beta (cpm) | |
|---|---|---|
| With Guard & Lead | 0.05 | 15 |
| With Guard, No Lead | 0.05 | 19 |
| No Guard, With Lead | 0.05 | 34 |
| No Guard, No Lead | 0.05 | 39 |
Typical Efficiency - Optimized for Lower Energy Betas
| Source | Top | 1/8 in. (3.2 mm) Bottom | 1/4 in. (6.3 mm) Bottom | 5/16 in. (7.9 mm) Bottom |
|---|---|---|---|---|
| 239Pu | 41% | 34% | 27% | 24% |
| 90Sr/90Y | 53% | 46% | 39% | 37% |
| 99Tc | 34% | 28% | 24% | 22% |
Typical Efficiency - Optimized for Higher Energy Betas
| 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% | 33% | 27% | 24% |
| 90Sr/90Y | 50% | 43% | 37% | 35% |
| 99Tc | 27% | 22% | 19% | 17% |
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