Turbidimeter, Lovibond ( Model : TurbiDirect TB300 IR - 194000)

Specifications : Principle : nephelometric ( 90° scattered light) Light source : IR-LED ( 860 nm) Keypad : acid and solvent resistant membrane keypad Auto - Off : automatic switch off Display : Graphic-Display Update : Software update via Internet Clock :   real time clock Memory : 1000 data sets Sample vol. : approx. 12 ml Range   0.01 - 1100 NTU ( Auto range) Resolution : Range Resolution 0-99.99 NTU 0.01 NTU 100.0-999.9 NTU 0.1 NTU 1000-1100 NTU 1.0 NTU Accuracy : ± 2% of reading ( 0-500 NTU) ± 5% of reading ( 500-1100 NTU) Ambient conditions : temperature: 5-40° C at 30-90% relative humidity ( non condensing) Interface : RS232 for printer and PC connection Power supply : 7 NiCd rechargeable batteries ( Type AA) ; mains adapter ( Input: 100-230V ; and lithium battery for data storage Weight ( instrument) : approx. 1000 g include batteries and power pack Dimensions : 265 x 195 x 70 mm ( L x W x H)