Model	312/313	321/331
High Std. Glass Filters	312 – 8 Filters, 313 – 5 Filters	321 – 8 Filters, 322 – 5 Filters
Minimum Volume	1 ml
Display	2 ½ digit red seven segment
	LED	Analog Meter
Range	400 to 700 nm
Output	Abs: 0 to 1.99	%T: 0 to 100, Abs: 0. to 1.99
Resolution	Abs: 0.01	%T: 1, Abs: 0.01
Accuracy	0.5 % FS ± 1 Digit	2 % FS ± 1 Digit
Detector	Photocell/Diode
Filters	8-Filters: 400, 450, 490, 520, 540, 570, 620, 680 nm 5-Filters: 450, 490, 540, 620, 680 nm
Light Source	6.8V, 300 mA Tungsten Lamp
Power	230V ±10%, 50Hz AC
Dimensions	195 x 235 x 105 mm (Approx.)	245 x 245 x 110 mm (Approx.)
Weight	2 Kg. (Approx.)	3 Kg. (Approx.)
Accessories	Quartz cuvettes of 10 mm pathlength: (A set of 2), Operation Manual and Dust Cover