Pl inform which make suitable for this specification

Instrument Type Single wavelength, direct reading colorimeter

Wavelength range: 400 to 700 nm

Measurement Wavelengths: Interchangeable glass filter

420 nm, 460 nm, 510 nm, 530 nm, 570 nm or 605 nm

Readable Resolution: Determined by test factor

Photometric Precision: ±0.001 Absorbance Unit

Range: 0 - 2.00 absorbance units, Transmittance: 0 ~ 100% T,

Absorbance0 ~ 1.999 Abs, Concentration 0 ~ 1999 Conc.,Display: 3 ½ digits,

Response Time: 2 seconds, Warm-up Time: Not required, Lamp: LED

• Operating Temperature: should be between 10° to 45°C

• Operating Humidity: should be between 10% - 90%

• Should have large area illumination (> 1 inch) for sample measurement with Variable Sample Illumination, Detector: Silicon Photodiode

Cuvettes: Round 10 mm ID, 12 mm OD 105mm L Square 10 mm x 10 mm x 45 mm, Sample: 10 mL in capped tube

Sample Chamber: Accepts 25mm diameter flat-bottomed tubes(capped)

Power Source: Battery Operation: 9 Volt Alkaline

Line Operation: 110V/60Hz, 220V/50Hz, with available adapter

Size (L XWX H): 8.5 x 16.2 x 6.7 cm, 3.4 X 6.4 X 2.6 inches

Shipping Weight: 11 oz (312 g) meter only

Serial Interface: RS232, 8 pin m DIN, 9600b, 8, 1, n