# Gatan Model 820 FireWire Interface + Accessories
**Model:** 820 FireWire | **Brand:** Gatan, Inc. | **Application:** TEM digital camera interface

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## Photos
- `allen_bradly_6186_m15altr/PXL_20260619_135341969.jpg` — Full contents in box (Gatan 820 unit, Sinpro power supply, cables, hardware)

*Note: This photo was found in the Allen-Bradley monitor folder — confirm whether these items are sold together or separately.*

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## Item Description

Gatan Model 820 FireWire adapter/interface for connecting Gatan DigiScan II and 794/20 MegaScan CCD cameras to a host computer via IEEE 1394 (FireWire). Part of Gatan's digital imaging system for transmission electron microscopy (TEM).

### What's Included (from photo)
- **Gatan Model 820 FireWire interface** unit (black box with STATUS 1, STATUS 2, POWER LEDs)
- **Sinpro switching power supply** (model SP450-4B or similar, 70W output)
- **PenMount calibration tool** (yellow stylus)
- Assorted cables (power, data)
- Small hardware (brackets, screws, connectors)

### Specifications
- **Interface:** IEEE 1394 FireWire
- **Compatible cameras:** Gatan DigiScan II, 794/20 MegaScan, and related
- **Application:** TEM digital image acquisition and scanning
- **Status indicators:** Power, Status 1, Status 2 LEDs

### Condition
- Used, removed from TEM system
- All components appear present
- Functionality unknown — sold as-is

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## Market Research

| Source | Item | Condition | Price |
|--------|------|-----------|-------|
| eBay Canada | Gatan 820 FireWire Adapter | Parts only | ~C$679 (~$500 USD) |
| eBay (general Gatan) | Gatan camera controllers | Varies | $300–$1,500 |
| Scientific equipment dealers | Gatan accessories | Used | $400–$800 |

Gatan equipment is highly specialized — buyers are TEM laboratories, universities, and microscopy core facilities. Small market but buyers will pay for what they need.

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## Recommended Listing

**Title:** `Gatan Model 820 FireWire Interface TEM Digital Camera Adapter DigiScan with Power Supply`

**Price:** $350–$550
- Sold as-is with no warranty — price reflects parts/working uncertainty
- Working condition would push to $600–$800
- Include "Gatan 820" prominently — this is the exact search term buyers use

**Category:** Business & Industrial > Healthcare, Lab & Dental > Medical & Lab Equipment > Microscopes

**Shipping:** USPS Priority Mail or UPS, ~$25–$40

**Condition:** Used — As-Is (untested / seller does not have TEM to test)

**Key selling points:**
- Complete Gatan 820 interface with Sinpro power supply
- FireWire interface for DigiScan II and MegaScan cameras
- All accessories included
- Rare — few available on secondary market

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## Action Items Before Listing
1. **Clarify scope** — confirm this is separate from the Allen-Bradley monitor
2. Photograph Gatan 820 unit clearly showing model label and LED indicators
3. Power on the unit (with power supply) and verify LEDs illuminate — even "powers on" is meaningful
4. Note the exact Sinpro power supply model number
5. List all cable types included (FireWire cable length, power cable, etc.)