Table of Contents
1 Specifications on page 3
2 General information
on page 4
3 Installation on page 7
4 User interface and navigation
on page 8
5 Startup on page 9
6 Standard operation on page 10
7 Advanced operation
on page 10
8 Maintenance on page 12
9 Troubleshooting on page 16
Section 1 Specifications
Specifications are subject to change without notice.
Specification Details
Measurement
method
Ratio turbidimetric determination using a primary
nephelometric light scatter signal (90°) to the
transmitted light scatter signal.
Regulatory 2100Q: Meets EPA Method 180.1
Lamp source 2100Q: Tungsten filament lamp
2100Qis: Light-emitting diode (LED)
Range 0–1000 NTU (FNU)
Accuracy ±2% of reading plus stray light from 0–1000 NTU
(FNU)
Repeatability ±1% of reading or 0.01 NTU (FNU), whichever is
greater
Resolution 0.01 NTU on lowest range
Stray light ≤ 0.02 NTU (FNU)
Signal
averaging
Selectable on or off
Detector Silicon Photodiode
Specification Details
Reading modes Normal (Push to Read), Signal Averaging or Rapidly
Settling Turbidity
Calibration
options
Single step RapidCal for Low-Level Regulatory
Reporting from 0–40 NTU (FNU)
Full range calibration from 0–1000 NTU (FNU)
Calibration to degrees of turbidity
Calibration
logger
Records the last 25 successful calibrations
Verification
logger
Logs the last 250 successful verifications
Data logger 500 records
Power
requirement
AC 100–240 V , 50/60 Hz (with power or USB/power
module)
4 AA alkaline batteries
Rechargeable NiMH (for use with USB/power
module)
Operating
conditions
Temperature: 0 to 50 °C (32 to 122 °F)
Relative Humidity: 0–90% at 30 °C, 0–80% at 40 °C,
0–70% at 50 °C, noncondensing
Storage
conditions
–40 to 60 °C (–40 to 140 °F), instrument only
Interface Optional USB
Sample
required
15 mL (0.5 oz.)
Sample cells Round cells 60 x 25 mm (2.36 x 1 in.) borosilicate
glass with screw caps
Dimensions 22.9 x 10.7 x 7.7 cm (9.0 x 4.2 x 3.0 in.)
English 3
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