Total Phosphorous/Nitrogen (TP/TN) Automatic AnalyzerNEW
Toray’s total phosphorous/nitrogen automatic analyzers rapidly and accurately perform automatic analysis of total phosphorus and nitrogen content in rivers, lakes and marshes, sea areas and plant discharge online.
They use a measurement method (autoclave method) conformant with official methods, producing the same values as hand analysis, enabling them to perform highly reliable measurements.
These innovative devices, designed for convenience and economy, are easy to operate, easy to maintain, and highly reliable.
- Official method conformant measurement method
These meters use an official method-conformant measurement method (autoclave method), producing results which correlate closely to manual analysis results.Compared to the ultraviolet degradation method, they produce highly reliable measurement values.
- Greatly reduced test reagent usage (1/2 of past Toray models)
These devices use half the test reagent volume as past Toray models, and are made with components that offer long-term reliability, reducing maintenance costs.
- Negative suction method for exceptional SS performance
Negative suction design prevents dirtying of sampling tube.Resists clogging and ensures long-term, stable measurement.
No maintenance space is needed for the rear or left side of the device.Takes little space, making it possible to use space effectively.
Load calculation function, built-in printer, USB memory stick function.Can be installed together with UV and TOC meters (including load calculation for three constituent measurement)
TPN-100 measurement process
|Measurement method||TP: Molybdenum blue absorptiometric method
TN: Ultraviolet absorptiometric method
|Measurement range||TP: 1 range, from 0–0.10 mgP/L to 0–1.0 mgP/L
TN: 1 range, from 0–2.0 mgN/L to 0–5.0 mgN/L
* Provided that 2≦TN / TP≦50
|Dilution factor||Fixed, between 2–25x (internal dilution)|
|Measurement time||60 minutes (repeated measurement, measurement on the hour, measurement every specified number of hours (1–24 hours)|
|Recording method||Printer (per-measurement printing, printing of report for previous day, printing of report for previous month)|
|Span calibration||Manual calibration, automatic calibration|
|Zero calibration||Manual calibration, automatic calibration|
|Load calculation function||Available as an additional option|
|Paint color||Munsell 5Y 7/1 medium gloss|
|Repeatability||±3% FS 21–25x dilution: ±4% FS|
|Linearity||±3% FS 21–25x dilution: ±4% FS|
|Zero stability||±3% FS/day 21–25x dilution: ±4% FS|
|Span stability||±3% FS/day 21–25x dilution: ±4% FS|
|Measurement value output||External output: DC 4 to 20 mA Outputs: TP and TN measurement values|
|Abnormality signal output:||Device error
TP concentration upper/lower threshold error
TN concentration upper/lower threshold error
|Sample conditions||Freshwater sample
Sample amount Online: 0.4–0.6 L/min (at analysis intake port)
Offline: 50 mL/measurement
Pressure Online: 0.02–0.05 MPa
Offline: Normal pressure (automatic suction)
Temperature 3–40°C (no condensation)
|Set up conditions||Indoor ambient temperature: 5–40°C, ambient humidity 85% RH or below|
|Test reagent||Potassium peroxodisulfate
Concentrated sulfuric acid
Purified water for adjusting test reagent
Specifications are subject to change in order to make product improvements.
Total phosphorous: Also written as "TP"
Total nitrogen: Also written as "TN"
- CONTACT US
Tokyo office: +81-3-3241-8461
Shiga office: +81-77-544-6224