Daystate Huntsman GAUGE THREADS (type, dia x pitch?)

[SILENT SQUIRREL]

Is anyone able to tell me the thread type, diameter, & pitch of the pressure gauge on a Huntsman Regal, please?
The OEM gauge has markings only at 250, 200, & 100BAR.
I'd like to find a gauge with more markings (smaller increments) & the info would, of course, help
Thanks
Ed

[VaporTrail]

Can't say I know any of what you're asking for, Ed. Apologies.

Maybe, though...I can be of indirect help. 

[SILENT SQUIRREL]

Can't say I know any of what you're asking for, Ed. Apologies.

Maybe, though...I can be of indirect help. 

Appreciated, Paul
Clarify please
Ed

[sharpend]

ISO G-1/8 BSP seems the Euro equivalent of American 1/8" NPS/T. BSPP when get o-ring underneath, BSPT taper.

[edit] Not interchangeable, just they use that, we use this kinda thing.