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Hanna Instruments HI88703-02 EPA Compliant Benchtop Turbidity Meter

The HI88703 Benchtop Turbidity Meter is a precision instrument for measuring water turbidity, designed for high accuracy and stability, especially in low turbidity ranges. Its advanced optical system, dual 90°/180° detectors, and 25 mm optical cuvettes reduce stray light and color interferences, ensuring repeatable results. The meter is EPA-compliant, uses AMCO AEPA-1 primary standards, and supports 2–5 point calibration for traceable performance. It also offers tutorial mode, contextual help, backlit graphic LCD, USB connectivity, and storage for 200 measurements, making it ideal for laboratory applications.

  • Two Measurement Modes: Ratio (0–4000 NTU) or non-ratio (0–40 NTU)
  • Multi-Unit Turbidity Display: NTU, EBC, Nephelos units
  • Calibration & Traceability: 2–5 point calibration using AMCO AEPA-1 primary standards
  • User-Friendly & Data Ready: Graphic LCD, tutorial mode, contextual help, USB connectivity, 200 readings storage

Description

The HI88703 is a benchtop turbidity meter engineered for precise monitoring of water quality, suitable for drinking water, environmental water, and wastewater samples. The instrument incorporates a tungsten filament lamp, dual 90°/180° detectors, and 25 mm optical cuvettes, which allow accurate turbidity measurements in both ratio (0–4000 NTU) and non-ratio (0–40 NTU) modes. Calibration is achieved with AMCO AEPA-1 primary standards, ensuring traceable, reliable results with EPA and Standard Methods compliance. The optical system minimizes stray light, enabling highly accurate readings even at very low turbidity levels.

Designed for ease of use and efficient data management, the HI88703 features a backlit graphic LCD, tutorial mode, and contextual help to guide users step-by-step through setup and calibration. Up to 200 measurements can be stored internally and transferred via USB to a PC using HI92000 software. Its robust construction, GLP-compliant data, and AC power supply make it ideal for laboratory environments where repeatability, accuracy, and compliance with regulatory standards are essential.


Features

  • Measurement Parameters: Turbidity only
  • Measurement Modes: Ratio mode (0–4000 NTU), Non-ratio mode (0–40 NTU); normal, average, continuous
  • Multi-Unit Display: NTU, EBC, Nephelos units
  • Optical System: Tungsten filament lamp, 25 mm round optical cuvettes, dual 90°/180° detectors
  • Accuracy: ±2% of reading + 0.02 NTU (low range); ±5% above 1000 NTU
  • Repeatability: ±1% of reading or 0.02 NTU (0.15 Nephelos; 0.01 EBC) whichever is greater
  • Calibration: 2–5 point calibration using AMCO AEPA-1 primary standards; user-prepared standards allowed
  • EPA Compliance: USEPA Method 180.1 and Standard Method 2130 B
  • Data Logging: 200 records internal memory; recallable anytime
  • Data Transfer: USB to PC with HI92000 software
  • Display: 40 x 70 mm backlit graphic LCD with tutorial mode and contextual help
  • Power Supply: 115/130 VAC, 50/60 Hz
  • Environment: 0–50°C (32–122°F), RH max 95% non-condensing
  • Dimensions & Weight: 230 x 200 x 145 mm, 2.5 kg
  • Accessories: Sample cuvettes, calibration cuvettes, silicone oil, cuvette cloth, power cord, instruction manual

Specifications

SKU HI88703-02
Product Name EPA Compliant Benchtop Turbidity Meter – HI88703
Quote Required Yes
Turbidity Range Non-Ratio mode
Turbidity Resolution Non-Ratio mode
Turbidity Accuracy ±2% of reading plus 0.02 NTU (0.15 Nephelos; 0.01 EBC); ±5% of reading above 1000 NTU (6700 Nephelos; 245 EBC).
Turbidity Repeatability ±1% of reading or 0.02 NTU (0.15 Nephelos; 0.01 EBC) whichever is greater
Turbidity Stray Light < 0.02 NTU (0.15 Nephelos; 0.01 EBC)
Turbidity Calibration two, three, four, or five-point calibration
Turbidity Measuring Method nephelometric method (90°) or ratio nephelometric method (90° & 180°), adaptation of the USEPA Method 180.1 and Standard Method 2130 B
Turbidity Measuring Modes normal, average, continuous
Turbidity Light Source tungsten filament lamp
Turbidity Light Detector silicon photocell
Logging Memory 200 records
Connectivity USB
Display 40 x 70 mm graphic LCD (64 x 128 pixels) with backlight
Power Supply 115/130 VAC; 50/60 Hz
Environment 0 to 50°C (32 to 122°F), RH max 95% non-condensing
Dimensions 230 x 200 x 145 mm (9.0 x 7.9 x 5.7”)
Weight 2.5 kg (88 oz.)
Ordering Information HI88703 is supplied with sample cuvettes (5) with caps, HI88703-11 calibration cuvettes for turbidity, silicone oil, cuvette wiping cloth, power cord, and instruction manual.

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