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Product Details
Turbidity and Free/Total Chlorine Meter

Turbidity and Free/Total Chlorine Meter

Turbidity and Free/Total Chlorine Meter
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Features
• Tungsten light source—EPA compliant turbidity measurement
• High accuracy at low ranges
• Exclusive chlorine Cal Check™ calibration validation
• Exclusive Fast Tracker™ system
• User replaceable light source
• 2, 3 or 4 point turbidity calibration
• USB and RS232 PC connectivity
• Backlit LCD
• GLP capability
• User friendly display with guidance codes
• Auto shut-off
• Battery percentage on display
• Continuous current time on display

HANNA's HI 93414 Turbidity and Chlorine Meter utilizes an EPA compliant tungsten light source and state-of-the-art optical system that allows consistently reliable and accurate measurements for free and total chlorine as well as turbidity.
Users will appreciate the accuracy and sensitivity of this instrument, particularly at very low turbidity levels. To meet EPA reporting requirements these instruments have an EPA compliance reading mode. HI 93414 meets all EPA requirements with regards to the Standard Methods for Turbidity and Colorimetric Chlorine Measurements.

Turbidity is measured up to 1000 NTU (Nephelometric Turbidity Units) and free and total chlorine measurements can be made in the 0.00 to 5.00 mg/L (ppm) range. Depending on the measured sample and required accuracy, users can select normal measurement, continuous measurement or signal averaging.

HI 93414 features the ability to use Hanna's (optional) Tag Identification System (TIS) which allows users to record the time and location of a specific measurement or series of measurements. Logged data can be downloaded to a PC through either USB or RS232 connections. Reliable performance of the instrument is validated using Hanna's exclusive Cal Check® system and our ready-made, NiST traceable chlorine standards.

For turbidity, a two, three or four-point calibration is available using pre-set or user defined standards. Frequent Calibration isn't necessary as the system compensates for variations in the intensity of the light source.
The instruments' Good Laboratory Practice functions allow traceability of calibration conditions including the time, date and last calibration points. At startup, the meter displays the percentage of remaining battery life. A 'low battery' warning message is also displayed on the LCD to avoid unexpected battery failure. This instrument is equipped with backlighting. The current date and time can be displayed on the LCD.

TURBIDITY
Range: 0.00 to 9.99; 10.0 to 99.9 and 100 to 1000 NTU
Range Selection: Automatic
Resolution: 0.01 NTU from 0.00 to 9.99 NTU; 0.1 NTU from 10.0 to 99.9 NTU;1 NTU from 100 to 1000 NTU
Accuracy: ±2% of reading plus 0.02 NTU
Repeatability: ±1% of reading or 0.02 NTU, whichever is greater
Stray Light: < 0.02 NTU
Typical EMC Deviation: ±0.05 NTU
Light Detector: Silicon Photocell
Method: Ratio Nephelometric Method (90°), ratio of scattered and transmitted light; Adaptation of the USEPA Method 180.1 and Standard Method 2130 B.
Measuring mode: Normal, Average, Continuous
Turbidity Standards:Calibration: Two, three or four-point calibration

FREE AND TOTAL CHLORINE
Range: Free Cl2 0.00 to 5.00 mg/L; Total Cl2 0.00 to 5.00 mg/L
Resolution: 0.01 mg/L from 0.00 to 3.50 mg/L; 0.10 above 3.50 mg/L
Accuracy: ±0.02 mg/L @ 1.00 mg/L
Typical EMC Deviation: ±0.02 mg/L
Detector Silicon photocell with 525 nm narrow band interference filter
Method: Adaptation of the USEPA Method 330.5 and Standard Method 4500-Cl G. The reaction between chlorine and DPD reagent causes a pink tint in the sample.
Standards: 1 mg/L free chlorine, 1 mg/L total chlorine
Calibration: One-point calibration

GENERAL SPECIFICATIONS
Light Source: Tungsten filament lamp
Lamp life: Greater than 100,000 readings
LOG Memory: 200 records
Serial Interface: USB or RS 232
Environment: Up to 50°C (122°F); max 95% RH non-condensing
Power Supply: (4) 1.5V AA alkaline batteries or AC adapter; Auto-off after 15 minutes of non-use
Dimensions: / Weight 224 x 87 x 77 mm (8.8 x 3.4 x 3.0”) / 512 g (18 oz.)

Includes:

Five sample cuvets and caps
Three calibration cuvets for turbidimeter
Two calibration cuvets for colorimeter*
Turbidity Calibration Standards
Silicone oil
Five tag holders with tags (HI 920005)
Scissors
Batteries (4)
AC adapter
Rugged carrying case
Instruction manual
Quick reference guide
Instrument quality certificate

*Required Chlorine Reagents are sold separately

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