52mm Series 1 original bi-metal gauge made using most of the original tooling. Scale 30-70-110°C
| Part Number | Bezel | Where its made |
|---|---|---|
| BT2200-01 | Full V black | 'Made in UK' |
| BT2200-08 | Full V semi matt black | 'Made in UK' |
| BT2200-09 | 1/2 round black | 'Made in UK' |
| BT2200-10 | Full V black | 'Made in England' |
| BT2200-11 | Full V black | 'Made in England' |
| BT2200-12 | Full V black | 'Made in England' |