Hach 5500sc SiO2 Manual Del Usuario página 22

Specification
Sample pressure, flow rate,
and temperature
Number of sample streams
Air purge (optional)
Certifications
Specification
Light source
Measurement range
Accuracy
Precision/Repeatability
Response time
Stabilization time
Calibration time
Minimum detection limit
Reagent usage
Standard usage
Certification
Canadian Radio Interference-Causing Equipment Regulation, IECS-003, Class A:
Supporting test records reside with the manufacturer.
This Class A digital apparatus meets all requirements of the Canadian Interference-Causing
Equipment Regulations.
Cet appareil numérique de classe A répond à toutes les exigences de la réglementation canadienne
sur les équipements provoquant des interférences.
FCC Part 15, Class "A" Limits
Supporting test records reside with the manufacturer. The device complies with Part 15 of the FCC
Rules. Operation is subject to the following conditions:
2
standard cubic feet per hour
22 English
Table 3 General specifications (continued)
Details
Pressure: 20–600 kPa (2.9–87 psi) to preset pressure regulator
Flow rate: 55–300 mL/minute
Temperature: 5 to 50 °C (41 to 122 °F)
Maximum pressure versus temperature for the Y-strainer:
• 6.00 bar (87 psi) maximum at 42 °C (108 °F)
• 5.17 bar (75 psi) maximum at 46 °C (114 °F)
• 4.14 bar (60 psi) maximum at 50 °C (122 °F)
1, 2, 4 or 6; programmable sequence
3
0.425 m /hour (15 scfh
ETL certified to UL and CSA standards, CE marked
Table 4 Measurement specifications
Details
Class 1M LED (light emitting diode) with a peak wavelength of 810 nm
0.5–5000 µg/L as SiO
2
0–500 µg/L: ±1% or ±1 µg/L (the larger value), 500–5000 µg/L: ±5%
±0.5 ppb or ±1% (the larger value)
Typical 9.5 minutes at 25 °C (77 °F), changes with temperature
After initial startup or annual maintenance: 5 measurement cycles
After standby: 1 measurement cycle
After calibration: 0 measurement cycles
Slope calibration: 10 minutes
0.5 µg/L
Usage: 2 L of each reagent every 90 days with a 15 minute cycle time
Container: 2 L, PETE with polypropylene caps
Usage: 2 L of standard for every 10 calibrations
Container: 2 L, PETE with polypropylene caps
2
), instrument quality air