Table 2 List of items used in J-Calibration (see Figs. 1 and 2)

1

Water tank (10 l)

2

Water tube (length is 1.8 m every part, connecting among water tank, pump, and sensors)

3

Pump for seawater (flow speed sets 0.2 l/min which is the same as actual flow speed of SBE41 sensor pump)

4

Vinyl house (1.7 m width × 1.7 m length × 2.0 m height)

5

Laptop computer (connecting to SBE41s and SBE3 and 4)

6

Cooling packs (15 cm × 10 cm, 2 or 4 packs)

7

Rack (1.0 m width × 0.5 m length × 1.2 m height)

8

Stiller (2 cycles/s)

9

Timer (measurement every second)

10 *

SBE3 and 4 (manufactured by SBE, sharing with SBE-Calibration system)