Hanna Instruments HI97745 Portable multi-parameter spectrophotometer (free and total chlorine (LR)/ total hardness (ULR)/ iron (LR)/ pH) (0.00 - 5.00mg/L)

Manufaturer:	Hanna Instruments
Model:	HI97745

Product code

111-65534

Price 1,071.69 USD

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Description

The HI 97745 is a portable digital residual chlorine meter that measures low levels of free and total chlorine as well as pH, iron (low levels) and total hardness (very low levels).
Advanced optical system with beam splitter improves reproducibility and stability.
The light source has been changed from the conventional tungsten lamp to an LED.
Navigation function for measuring steps.
The waterproof function of the main body case has been improved to IP67. (The glass cell insertion part is also waterproof.)
50 Automatic data logging function.
The remaining battery level (%) is always displayed on the screen.
The backlight function makes it easier to see.
Portable Digital Residual Chlorine Meter HI 97745 Free Chlorine (LR)/Total Chlorine (LR)/pH/Iron (LR)/Total Hardness (ULR)
Measurement items: Free chlorine (low concentration) / Total chlorine (low concentration) / pH / Iron (low concentration) / Total hardness (ultra-low concentration)
Measurement range
Free chlorine (low concentration): 0.00 to 5.00 mg/L
Total chlorine (low concentration): 0.00 to 5.00 mg/L
pH: 6.5 to 8.5 pH
Iron (low levels): 0.00 to 1.60 mg/L
Total hardness (ultra-low concentration): Total hardness 0.00 to 4.70 mg/L (CaCO3 equivalent)
Resolution: 0.01 mg/L, 0.1 pH
accuracy
Free Chlorine (low concentration): ±0.03 mg/L ±3% of reading
Total Chlorine (low concentration): ±0.03 mg/L ±3% of reading
pH: ±0.1 pH
Iron (low concentration): ±0.01 mg/L ±8% of reading
Total Hardness (Very Low Concentration): ±0.11 mg/L ±5% of reading
How to Measure
Residual chlorine: DPD method
pH: Phenol red method
Iron (LR): TPTZ method
Total hardness (ULR): Colorimetric method
Light source: LED (525 nm)
Bandpass filter: Bandwidth/8 nm, Wavelength accuracy/±1.0 nm
Light receiving part: Silicon photocell
Data storage: Automatically stores up to 50 data
LCD screen: 128 x 64 pixels with backlight
External environment: 0 to 50°C (relative humidity below 100%)
Waterproof: Main unit case is IP67 *Not suitable for immersion or submersion
Power supply: 3 x 1.5V AA alkaline batteries (approximately 800 measurements possible without backlight)
Auto power off: after 15 minutes of non-use
Size, weight: Length 142.5 x Width 102.5 x Thickness 50.5 mm, 380 g