5901 triple point water cells from Fluke Calibration are an easy-to-use and inexpensive standard with uncertainty better than ± 0.0001 °C.
| Manufacturer part number (MPN) | 2507466 |
| Brand | Fluke |
| Category | Tools |
| Specifications 5901A-G | 5901A-Q |
| Expanded Uncertainty (k=2) < 0.0001 °C | < 0.0002 °C |
| Repro- ducibility 0.00002 °C | 0.00005 °C |
| Dimensions 50 mm OD 12 mm ID 450 mm long | 60 mm OD 13.6 mm ID 420 mm long |
| Immersion Depth (water surface to well bottom) 265 mm | 118 mm |
| Material Borosilicate Glass | Fused Silica (Quartz) |
| Water Source | Ocean |
| dDVSMOW ± 10 ‰ (± 1 %) | ± 20 ‰ |
| d18OVSMOW ± 1.5 ‰ (± 0.15 %) | ± 3 ‰ |
| Effect of deviation from VSMOW ± 7 µK | ± 14 µK |
| MOQ | 1 |