Ref: OS-TDS240Price: £4.19 | TDS Calibration Solution 240ppm TDS Calibration Solution, suitable for calibrating all TDS meters.
Features:
NaCl calibration solution, 240 ppm.
Stored in a lightweight HDPE plastic bottle.
Capped with a coated foam liner.
4 oz. bottle (120 ml)
Quantity:
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