How to order of Flat leaf probes
| Number | Specification | |
| 1 Model No. and form | 503 | Temp.range:-50 to 210°C |
| 505 | Temp.range:-50 to 500°C | |
| 540 | For skin temperature | |
| 2 Thermocouple type | E | Type E |
| K | Type K | |
| 3 Cable type | TC | Standard specification for Model 503 |
| TS | Standard specification for Model 505, 540 | |
| 3 Cable length | 1 | 1m |
| 1.5 | 1.5m | |
| 2 | 2m | |
| 2.5 | 2.5m | |
| … | … | |
| 4 Plug | ASP | Anritsu standard plug |
| ANP | Miniature plug | |
| W | Without plug | |
| WT3 | Spade terminal for φ3mm | |
| WT4 | Spade terminal for φ4mm | |
| WT5 | Spade terminal for φ5mm | |
| WC3 | Ring terminal for φ3mm | |
| WC4 | Ring terminal for φ4mm | |
| WC5 | Ring terminal for φ5mm | |
| ANJY3 | Spade terminal for φ3mm (made of thermocouple) | |
| ANJY4 | Spade terminal for φ4mm (made of thermocouple) | |
| ANJC3 | Ring terminal for φ3mm (made of thermocouple) | |
| ANJC4 | Ring terminal for φ4mm (made of thermocouple) | |
| WA | Sheathed banana plug |