supply of environmental lab items environmental lab items , environmental lab items : , turbidity meter measuring range – 0-100 ntu temp – 0 – 100°c display – lcd resolution – 0.1 light source – led number calibration – 5 point calibration , dissolved oxygen meter. range o2 = 0.00 to 20mg / l saturation 02 = 0.0 to 300% temp - 0-50°c resolution – o2 = 0.01mg / l saturation = 0.1% temp = 0.10c accuracy - 02 = ±1.5% saturation 02:±1.5% temp ±0.5°c , jar test apparatus 4 jars with 1 liters with 4 stirrer rpm - 1-1001 / 20th hpstrrier made of stainless steel with adjustable height , drying oven digital model air circulation fan inner chamber made of stainless steel - 350*350*350 mm 230v ac with temperature indicator and auto cut off , crucible furnace: electric type automatic digital type temperature minimum – 800°c chamber size - 4 inch x 4 inch x 9 inch