Hach 2100Q User Manual

7.4 Send stored data....................................................................................................................................................................... 13
Section 8 Advanced operation.......................................................................................................................................... 13
8.1 Display contrast........................................................................................................................................................................ 13
8.2 Power management.................................................................................................................................................................. 13
8.3 Set the sound options............................................................................................................................................................... 14
8.4 Security options........................................................................................................................................................................ 14
8.4.1 Turn security options on................................................................................................................................................. 14
8.5 View meter information............................................................................................................................................................. 14
8.6 Calibration................................................................................................................................................................................. 14
8.6.1 Calibration options.......................................................................................................................................................... 14
8.6.2 Calibration standard overview........................................................................................................................................ 15
8.6.3 StablCal RapidCal calibration......................................................................................................................................... 16
8.6.4 Verification options......................................................................................................................................................... 18
8.6.5 Calibration verification (Verify Cal)................................................................................................................................. 18
8.7 Reading modes......................................................................................................................................................................... 19
8.8 Apply silicone oil to a sample cell............................................................................................................................................. 19
8.9 Indexing a single cell................................................................................................................................................................. 20
Section 9 Maintenance........................................................................................................................................................... 22
9.1 Clean the meter........................................................................................................................................................................ 22
9.2 Store the sample cells............................................................................................................................................................... 22
9.3 Replace the battery................................................................................................................................................................... 22
9.4 Replace the lamp...................................................................................................................................................................... 22
Section 10 Troubleshooting................................................................................................................................................ 25
Section 11 Replacement parts and accessories.................................................................................................... 26
11.1 Replacement parts ................................................................................................................................................................. 26
11.2 Accessories ............................................................................................................................................................................ 27
Index.................................................................................................................................................................................................... 29
Table of Contents
2

Hach 2100Q Specifications

General

Range	0 - 1000 NTU
Resolution	0.01 NTU on lowest range
Detector	Silicon photodiode
Stray Light	< 0.02 NTU
Measurement Method	Nephelometry
Power Supply	4 AA alkaline batteries
Operating Temperature	0 to 50 °C
Storage Temperature	-20-60°C
Measurement Modes	Signal Averaging, Rapidly Settling Turbidity
Display	LCD
Accuracy	±2% of reading plus stray light from 0 to 1000 NTU
Light Source	Tungsten filament lamp