HF scientific Micro200BW Turbidimeter - 0 -1000 NTU - Manual (Page 13)

MICRO 200 BW 0 - 1000 NTU (5/05)
Rev. 3.1
MICRO 200 BW
TABLE OF CONTENTS CONT.
IV. ROUTINE OPERATION ........................................................................................................................................ 25
A. CONTINUOUS MONITORING FLOW THROUGH UNIT ............................................................................ 25
B. VAPORPURGE .................................................................................................................................................. 26
C. GRAB SAMPLES .............................................................................................................................................. 26
V. ROUTINE MAINTENANCE ................................................................................................................................. 26
A. CUVETTE CLEANING & CARE ..................................................................................................................... 26
B. LAMP REPLACEMENT ................................................................................................................................... 28
C. CALIBRATION PROCEDURES ...................................................................................................................... 28
1. Calibration Standards .................................................................................................................................. 28
a. Secondary Standard Set (Optional) Cat. No. 19830 ............................................................................ 28
b. Standard Formazin Solutions ............................................................................................................... 29
2. Calibration Steps for 0-1000 NTU Range .................................................................................................. 29
VI. SECURITY ACCESS CODE .................................................................................................................................. 30
VII. TROUBLESHOOTING ......................................................................................................................................... 31
A. GENERAL NOTES ............................................................................................................................................ 31
B. SPARE PARTS LIST FOR MICRO 200 BW ................................................................................................... 32
VIII. OPTIONS .............................................................................................................................................................. 33
BACKWASH ............................................................................................................................................................ 33
A. INSTALLATION ............................................................................................................................................... 33
1. Backwash Interface ..................................................................................................................................... 33
2. Junction Box ................................................................................................................................................ 33
3. Backwash Sensor ......................................................................................................................................... 33
a. Channel Mounting ................................................................................................................................ 33
b. Extension Handle Mounting ................................................................................................................ 33
B. BACKWASH SENSOR CONNECTIONS ........................................................................................................ 33
C. BACKWASH SENSOR MAINTENANCE ....................................................................................................... 34
1. Backwash Calibration ................................................................................................................................. 34
D. BACKWASH ALARMS .................................................................................................................................... 34
E. BACKWASH REMOTE SWITCHING ............................................................................................................ 34
1. Electrical Connections ................................................................................................................................ 34
a. Remote Switch ..................................................................................................................................... 34
b. Alarms .................................................................................................................................................. 34
c. Analog Outputs..................................................................................................................................... 35
d. Serial Port (optional) ............................................................................................................................ 35
2. Operation ..................................................................................................................................................... 35
SERIAL INTERFACES .......................................................................................................................................... 35
1. RS-232 Voltage Mode Interface ................................................................................................................. 36
2. RS-232 Current Loop Mode Interface ........................................................................................................ 36
3. RS-485 Interface .......................................................................................................................................... 36
4. Serial Printer ............................................................................................................................................... 36
WARRANTY .............................................................................................................................................................. 42
GLOSSARY .............................................................................................................................................................. 43