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Product Features
  • Flexible module options
  • RST mode
  • Single standard calibration
Delivery options

At Cadmus Products we aim to deliver orders efficiently and at highly competitive rates. 

  • We can ship consignments of all shapes and sizes and hazardous content across the UK and worldwide. Most of our orders are sent via DHL, however sometimes we may use other couriers.
  • If you are purchasing a laboratory product online you can find out the price of shipping checkout. If you are obtaining a quote for a product, then we will email you
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  • Please see our delivery page for full information

The Hach 2100Q Portable Turbidimeter offers unsurpassed ease of use and accuracy in turbidity measurement. Only Hach offers this combination of advanced features including assisted calibration, simplified data transfer, and innovative measurement techniques that give you accurate results every time.

Hach 2100Q Standard Features

  • Flexible module options
  • Closed cap control eliminates ambient light interference
  • RST mode
  • User-friendly interface in 23 pre-programmed languages
  • Single standard calibration

Easy On-Screen Assisted Calibration and Verification

The 2100Q Portable Turbidimeter provides confidence your measurements are right every time. On-screen assisted calibration and verification save you time and ensure accuracy. With an easy-to-follow interface, complicated manuals are not needed to perform routine calibrations. Single-standard RapidCal™ calibration offers a simplified solution for low level measurements.

Simple Data Transfer
Customisable power and connectivity modules provide smooth data transfer and flexibility. Optional USB+Power Module allows data download to any computer via USB port, providing superior data integrity and availability

Accuracy for Rapidly Settling Samples
The innovative Rapidly Settling Turbidity™ mode provides accurate, repeatable measurements for di@cult to measure, rapidly settling samples. An exclusive algorithm that calculates turbidity based on a series of automatic readings eliminates redundant measurements and estimating.

Convenient Data Logging
Up to 500 measurements are automatically stored in the instrument for easy access and backup. Stored information includes: date and time, operator ID, reading mode, sample ID, sample number, units, calibration time, calibration status, error messages and the result.

Optical System for Precision in the Field
The two-detector optical system compensates for color in the sample, light fluctuation, and stray light, allowing you to achieve laboratory-grade performance on a wide range of samples, even under difficult site conditions.

Technical Specification

Measurement Method Ratio turbidimetric determination using a primary nephelometric light scatter signal (90°) to the transmitted light scatter signal.
Regulatory Meets EPA Method 180.1
Light Source Light-emitting diode (LED) @ 860 nm
Range 0 to 1000 NTU (FNU)
Accuracy ±2% of reading plus stray light from 0 to 1000 NTU
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/off
Detector Silicon photovoltaic
Reading Modes (user selectable) Normal (Push to Read)
Signal Averaging
Rapidly Settling Turbidity
Data Logger 500 records
Power Requirement 110-230 Vac, 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 to 90% @ 30°C, 0 to 80% @ 40°C, 0 to 70% @ 50°C, noncondensing
Storage Conditions -40 to 60°C (-40 to 140°F), instrument only
Languages English, French, German, Italian, Spanish, Portuguese (BR), Portuguese (PT), Bulgarian, Chinese, Czech, Danish, Dutch, Finnish, Greek, Hungarian, Japanese, Korean, Polish, Romanian, Russian, Slovenian, Swedish, Turkish
Interface Optional USB
Instrument Enclosure Rating IP67 (closed lid, battery compartment excluded)
Protection Class Power Supply: Class II
Certification CE certified
Sample Required 15 mL (0.3 oz.)
Sample Cells 60 x 25 mm (2.36 x 1 in.) borosilicate glass with screw cap
Dimensions 22.9 x 10.7 x 7.7 cm (9.0 x4.2 x 3.0 in.)
Weight 527 g (1.16 lb) without batteries
618 g (1.36 lb) with four AA alkaline batteries
Warranty 1
  • 2100Q-01 - 2100Q Portable Turbidimeter (meets EPA method 180.1)
Optional Accessories
  • LZV813 USB+Power Module (includes: universal power supply, USB cables, instruction sheet)
  • LZV804 Power Module (includes: universal power supply, instruction sheet)
  • 2960100 Citizen PD-24 Printer Package
  • 2971304 Battery, NiMH AA, pk/4
  • 4397500 Degassing Kit
  • 4397510 Sample Filtration and Degassing Kit
  • 2971210 StablCal 100 mL calibration kit, 2100Q
  • 2971200 StablCal 500 mL calibration kit, 2100Q
  • 2464105 Gelex Secondary Standard Set
Replacement Parts
  • 2971205 StablCal ampule calibration kit, 2100Q
  • 2961701 10 NTU Verification Standard
  • 126936 Silicone Oil, 15 mL
  • 2971507 Insert, molded bottom, 2100Q carrying case
  • 4707600 Sample Cell Oiling Cloth
  • 2434706 1" glass sample cell (10ml ) w/cap (Turb) pkg/6
  • 2971500 Carrying case for 2100Q (includes insert)
  • 4653900 Lamp assembly
  • 1938004 Battery set, 4x AA alkaline batteries
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