Apera Instruments TN400, Инструкция по эксплуатации

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2
TECHNICAL SPECIFICATIONS
2.1
Technical Parameters
Measuring Method
ISO 7027 and DIN EN 27027 compliant nephelometric method
（
90°
）
Light Source Infrared light emitting diode (860±30nm)
Measuring Range
0 ~ 1000 NTU, automatic range selection:
0.01~19.99 NTU
20.0~99.9 NTU
100~1000 NTU
Accuracy ≤ ±2 % of r stray light
Repeatability ≤ ± 1% of reading or 0.02 NTU (FTU), the greater of the two
Resolution 0.01 / 0.1 / 1 NTU(FNU)
Stray Light ≤0.02 NTU(FNU)
Calibration Standards
AMCO Polymer or Formazin Solution:
0, 20, 100, 400 and 800 NTU (FNU)
Detector Silicon photovoltaic
Measurement Mode Normal measurement and average measurement mode
Display TFT color screen
Sample Vials Φ25×60 mm, high borosilicate glass with lid
Sample Volume 18 ml
Power Supply 4× “AA” Alkaline Batteries
Operating Condition
Temperature: 0 to 50°C
（
32°F to 122°F
） ；
Relative humidity
：
0 to 90% at 30°C, 0 to 80% at 40°C, 0 to 70% at 50°C, no condensation
Storage Condition
Instrument: -40~60
℃
(-40~140
℉
)
Calibration Solution: 5~30
℃
(41~86
℉
)
Instrument sealing grade IP67
Certificates CE
Limited Warranty 2 years
Dimension and Weight
Meter: (90×203×80) mm/385g
Test Kit: (310×295×110) mm/1.5kg