HACH-2100N Benchtop Turbidity Meter

Model: 2100N
Manufacturer: HACH- USA

Specialized Lab Design: The Model 2100N is a standard benchtop turbidity meter using a modern focused tungsten filament lamp as the light source.
Flexible Measurement Modes: Allows for a choice between Ratio or Non-Ratio measurement modes with a simple button press.
Multi-Point Acquisition Technology: Utilizes a detector system positioned at a 90-degree angle to measure scattered light.
Ratio Mode Advantages: Ensures long-term calibration stability, a wide linear measurement range, and the ability to compensate for errors caused by colored water samples.
Accurate Turbidity Analysis: Sensitive acquisition of scattered light signals, meeting the strict requirements for laboratory water analysis.

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HACH-2100N Benchtop Turbidity Meter

Model: 2100N
Manufacturer: HACH- USA

Product Description:

Ultra-High Precision: Resolution up to 3 decimal places; perfectly meets low-level measurements (below 1.0 NTU).
Ultra-Wide Range: Measures from 0 to 4,000 NTU.
Smart Calibration: Automatic calibration process via microprocessor, displaying values instantly without manual adjustment by potentiometer.
Diverse Measurement Units: Supports display of common units such as NTU, Nephelos, EBC, and many others.
Smart Signal Processing: "Signal Averaging" mode helps reduce noise, ensuring displayed results are always stable and reliable.
Intuitive Interface: Bright LED backlit screen, clear display from all angles; easy-to-operate buttons right on the front of the machine.
Optical Protection System: Integrated dry air purge port prevents condensation on the sample cell, protecting optical components.
Connectivity: RS232 port allows for fast data transmission to a computer or printer (Model 2100AN includes a built-in printer).
Self-Diagnostic System: Automatically detects and reports errors, helping technicians troubleshoot quickly via displayed error codes.
Flow-cell Accessory: Optional flow-through system increases repeatability and saves time for continuous sample analysis.

Technical Specifications:

Feature	Details
Operating Principle	Nephelometric measurement (90°) proportional to transmitted, forward scatter, and backscatter signals; or 90° scatter signal only.
Operating Modes	Manual or Auto-ranging; Signal Averaging On/Off; Ratio On/Off.
Measurement Units	Selectable: NTUs, EBCs, or Nephelos.
Measurement Range	NTU Mode: • RATIO ON: 0-0.999, 0-9.99, 0-99.9, 0-4000; Auto 0-4000 • RATIO OFF: 0-40.0 Nephelo Mode: • RATIO ON: 0-9.99, 0-99.9, 0-26,800; Auto 0-26,800 • RATIO OFF: 0-268 EBC Mode: • RATIO ON: 0-0.999, 0-9.99, 0-99.9, 0-980; Auto 0-980 • RATIO OFF: 0-9.8
Accuracy	± 2% of reading ± 0.01 NTU from 0 to 1000 NTU; ± 5% of reading from 1000 to 4000 NTU.
Resolution	0.001 on the lowest range.
Response Time	6.8 seconds (Signal Averaging OFF) or 14 seconds (Signal Averaging ON).
Operating Temperature	0 to 40 °C (32 to 104 °F).
Storage Temperature	-40 to 60 °C (-40 to 140 °F).
Sample Temperature	0 to 95 °C (32 to 203 °F).
Operating Humidity	0 to 90% RH (non-condensing) at 25 °C; 0 to 75% RH (non-condensing) at 40 °C.
Primary Standards	Formazin or StablCal® Stabilized Formazin.
Display	4-digit LED, 13.7 mm (0.54") character height with common status icons.
Light Source	Tungsten filament lamp. Average life: 8,800 hours.
Signal Averaging	Selectable On or Off.
Air Purge	0.1 scfm at 68.95 kPa (10 psig); 1/8" barb to 1/16" tubing; max 137.8 kPa (20 psig). Dry Nitrogen or instrument-grade air.
Sample Cell	95 mm high x 25 mm diameter (3.74" x 1").
Sample Volume	20 mL (0.7 oz) minimum.
Secondary Standards	Gelex® secondary standards.
Input/Output	RS232 via DB9-D shell connector for data output (PC/printer) and command input. 1200 Baud, 1 stop bit, no parity, 8-bit characters.
Shipping Weight	5.58 kg (12 lb 5 oz).
Power Supply	Selectable 115/230 Vac ±17%, 50/60 Hz.
Dimensions	40.0 x 30.5 x 14.2 cm (15.75 x 12 x 5.6").
Enclosure	High-impact polycarbonate plastic.

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