Hanna Instruments HI97736, Инструкция по эксплуатации, Страница: 6 / 36

6
SPECIFICA
TIONS
4. SPECIFICATIONS
Total
Hardness
Range
Magnesium Hardness 0.00 to 2.00 mg/L (as CaCO
3
)
Calcium Hardness 0.00 to 2.70 mg/L (as CaCO
3
)
Total Hardness 0.00 to 4.70 mg/L (as CaCO
3
)
Resolution 0.01 mg/L
Accuracy (all) ±0.11 mg/L ±5% of reading at 25 °C
Method
Adaptation of the Standard Methods for
the Examination of Water and Wastewater,
18
th
Edition, Colorimetric Method
pH
Range 6.5 to 8.5 pH
Resolution 0.1 pH
Accuracy ±0.1 pH of reading at 25 °C
Method Adaptation of the Phenol Red Method
Measurement
System
Light source Light Emitting Diode
Bandpass filter 525 nm
Bandpass filter
bandwidth
8 nm
Bandpass filter
wavelength accuracy ±1.0 nm
Light detector
Silicon photocell
Cuvette type Round 24.6 mm diameter (22 mm inside)
Additional
Specifications
Auto logging 50 readings
Display 128 x 64 pixel B/W LCD with backlight
Auto-off
After 15 minutes of inactivity
(30 minutes before a READ measurement)
Battery type 1.5 V AA Alkaline (3 pcs.)
Battery life > 800 measurements (without backlight)
Environment
0 to 50 °C (32 to 122 °F);
0 to 100% RH, non-serviceable
Dimensions 142.5 x 102.5 x 50.5 mm (5.6 x 4.0 x 2.0")
Weight
(with batteries)
380 g (13.4 oz.)
Case ingress
protection rating
IP67, floating case