pHotoFlex
®
STD
Technical data
67
ba75958e07
11/2020
7.2
Photometry
Serial
interface
Connection of the cable AK 540/B or AK 540/S
Baud rate
Adjustable:
1200, 2400, 4800, 9600, 19200 Baud
Type
RS232
Data bits
8
Stop bits
2
Parity
None
Handshake
RTS/CTS
Cable length
Max. 15 m
Guidelines
and norms used
EMC
EC directive 89/336/EEC
EN 61326-1/A3:2003
FCC Class A
Meter safety
EEC guideline 73/23/EEC
EN 61010-1 :2001
Climatic class
VDI/VDE 3540
IP protection class
EN 60529:1991
Optical measuring
principle
LED photometer with filter
Interference filter
436 nm, 517 nm, 557 nm, 594 nm, 610 nm, 690 nm
Accuracy:
± 2 nm
Photometric
reproducibility
0.005 or better
Photometric resolution
0.001
Warm-up time
None
Measuring time
Approx. 2s
Measured parameters
Concentration (method dependent, selectable display type), absor-
bance, transmission
Measuring range
Absorbance:
-2.000 ... +2.000