New gauges (4)

Remember the problem finding the right temp sensor for my Smiths temperature gauge?

TT4800 (green isolation) should be the right one. I found it (cheap) on eBay (only Euro 9), but it claims to be the GTR102, TT4800 and TT3600 at the same time. Suspicious...

For that money I bought it and did the kitchen test:

The results:

The Smiths sensor wants 9 Ohm at 90 C, but the "TT4800" gives 35, still far too high. Probably the "TT4800" is not a genuine "TT4800". Covering 3 different types of sensors was enough reason to suspect that :(.

Temp	GTR101	GTR104	TT4800	Smiths Gauge
75	125	93	50	22
80	105	80	42	15
85	89	67	39	12
90	78	60	35	9
95	64	53	30	6
100	58	44	22

To be continued...