Description
The measuring pen contains a small amount of electrolyte and is a consumable part. Typical service life is approximately three to six months, depending on storage and use; replace it if calibration becomes unstable or values deviate.
Best for
Maintaining CaratScreenPen V2 measurement performance
Measurement method
V2 electrolyte measuring-pen replacement
Important limitation
Compatible only with CaratScreenPen V2. It uses a 3.5 mm jack and is not interchangeable with the V1 RCA version.
Highlights
- V2 compatibility
- 3.5 mm jack socket
- Typical life: 3–6 months
- Original compatible consumable
Scope of delivery
- Replacement measuring pen V2
Specifications
| Compatibility | CaratScreenPen V2 (from February 2026) |
|---|---|
| Connector | 3.5 mm jack |
| Cable | Not included |












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