Table 3 General specifications (continued)
Specification Details
Sample pressure, flow rate,
and temperature
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)
Number of sample streams 1, 2 or 4; programmable sequence
Air purge (optional) 0.425 m
3
/hour (15 scfh
3
), instrument quality air
Certifications ETL certified to UL and CSA standards, CE marked
Table 4 Measurement specifications
Specification Details
Light source Class 1M LED (light emitting diode) with a peak wavelength of 880 nm (LR model) or
480 nm (HR model)
Measurement range 4–3000 µg/L as PO
4
(LR model); 200–50,000 µg/L as PO
4
(HR model)
Accuracy LR model: ±4 µg/L or ±4% (the larger value)
HR model: ±500 µg/L or ±5% (the larger value)
Precision/Repeatability LR model: ±1%, HR model: ±500 µg/L or ±5% (the larger value)
Response time Typical 10 minutes at 25 °C (77 °F), changes with temperature
Stabilization time After initial startup or annual maintenance: 5 measurement cycles
After standby: 1 measurement cycle
After calibration: 0 measurement cycles
Calibration time Slope calibration: 10 minutes
Zero calibration: 10 minutes
Minimum detection limit LR model: 4 µg/L, HR model: 200 µg/L
Reagent usage Usage: 2 L of each reagent every 90 days with a 15 minute cycle time
Container: 2 L, PETE with polypropylene caps
Standard usage Usage: 2 L of standard for every 10 calibrations
Container: 2 L, PETE with polypropylene caps
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
3
standard cubic feet per hour
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