Sling Psychrometer Supplier in Coimbatore SLING PSYCHROMETER WHIRLING HYGROMETER (PSYCROMETER)HAVING MERCURY FILLED, PRISMATIC PAIR THERMOMETER FILLED ON SPECIALLY DESIGNED WOODEN FRAME WITH PLASTIC HANDLE AND WATER BOTTLE. SUPPLIED WITH SLING CASE AND HUMIDITY CHART. RANGE: -10°C TO 50°C Item Code: GI-PSY Minimum Order Quantity: 1 Piece