Automated TLD reader for dosimetry services and independent dosimetry labs, processing up to 200 TLD cards per run at 70 cards per hour.
The Harshaw 6600 Plus delivers a complete solution for dosimetry services and independent dosimetry labs. Unlike technologies which calibrate dosimeters in batches, TLD dosimeters are calibrated individually, and an integrated barcode reader time-stamps every card to maintain an unbroken chain of custody. Maintenance routines are menu driven from an integrated touch screen display. The reader is available in a standard version and with the EXT-RAD or DXT-RAD option for extremity dosimeters.
For higher volumes there is the Harshaw 8800 Plus with up to 1400 cards per run. Cards and materials are covered under Harshaw TLD Readers, Cards and Materials.
No prices online – you will receive a quotation with price and delivery time. Need accessories? Mention them in your request.
| Capacity | Up to 200 TLD cards per processing run |
|---|---|
| Range | Seven decades |
| Photronics linearity | Less than 1 % deviation |
| Stability | Better than 1.0 µGy, based on one standard deviation of ten consecutive measurements |
| Repeatability | Less than 2 % variation (1 standard deviation of 10 sequential measurements at 1 mGy ¹³⁷Cs) |
| Readout time (standard LiF:Mg,Ti) | TLD cards 70 per hour, EXT-RAD Chipstrates 140 per hour, DXT-RAD Ringlets 280 per hour |
| Warm-up time | 20 minutes |
| Card identification | Codabar, Interlaced 2 of 5, Code 39, Code 128 alphanumeric |
| Electrical | 110 or 120 VAC ±10 %, 60 Hz; 220 or 240 VAC ±10 %, 50 Hz |
| Operating temperature range | 15 °C to 40 °C |
| Storage temperature range | −10 °C to 60 °C |
| Humidity tolerance | RH up to 90 % (not condensing) |
| Light exposure | Tested to withstand a minimum of 1000 W/m² |
| Shock resistance | Will withstand a 10 mm drop onto a concrete surface |
| Weight | 70 kg |
| Versions | 6600PLUS (standard), 6600PLUSEXTRAD (with EXT-RAD option), 6600PLUSDXTRAD (with DXT-RAD option) |
Source: Thermo Fisher Scientific, Harshaw 6600 Plus brochure (2025). Full specifications are available in the documents.
