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
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