beautypg.com

3 .4 technical specifications – BUCHI UV-Vis Detector C-640 User Manual

Page 14

background image

3 Technical data

14

C-640 Operation Manual, Version A

3 .4

Technical specifications

Table 3-5: Technical specifications
Average power consumption

max. 90 W

Power supply voltage

100–240 VAC ± 10%

Frequency

50 / 60 Hz

Fuse

2.5 A / 250 V

Dimensions (w

× d × h)

135

Ч 418 Ч 185 mm

Weight

6

kg

Wavelength range

200–840 nm (256 elements on CCD)

Typical spectral half width

10 nm

Accuracy of adjustment

± 1 nm

Reproducibility

± 0.5 nm

Noise level at test cell

± 5 x 10

-5

AU at 254 nm, TC 0.75 s

Drift at test cell (254 nm after 1 h)

1 x 10

-3

AU/h

Time constant (T90)

0.5 s ; 0.75 s; 1 s or 2 s

Light source

Deuterium discharge lamp / halogen lamp

Maximum flow rate

500 mL/min

Maximum pressure at the cell

20 bar / 290 psi

Output for integrator

1 V/AU (in digital form only)

Interface

RS232

Installation category

II

Degree of protection

IP20

Pollution degree

2

Environmental conditions:

Temperature

5–40 °C

for indoor use only

Altitude

up to 2000 m

Humidity

max. relative humidity 80% for temperatures up to
31 °C, linearly decreasing to 50% at 40 °C

Table 3-6: Material and Approvals
Materials in contact with mobile phase

PTFE / fused silica / stainless steel

Approvals

CE, CSA