Glass tube: 3.0 mm ( /-0.2mm). Measure scope: 0-300 mmHg. Accuracy: /-3mmHg. Sub-division: 2mmHg. Aluminium Alloy case. Case weight: 615-660 grams. Colour available: grey, blue. Standard Cotton/PVC Cuff. Standard Latex Bulb. Standard Valves. 2-tube Adult size bladder. Latex tube with connector. The iron casting case shall be strong with tight connection of each part. The glass shall be clear, transparent Without obvious defect. One graduation is adopted: mmHg, minimum for the reading is 2mmHg. The top of mercury post should be close to Zero position when the internal of Mercury Container is aired.Difference allowance is ±3.75mmHg. Measuring results difference allowed is ±3.75mmHg.
