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HORIBA - Model TPNA-300 -Automatic Total Nitrogen/Phosphorus Monitoring System
Everything from precise measurement to reduced running costs. HORIBA-leading the world in practical environmental analysis technology will give a benefit for Total Nitrogen/Phosphorus monitoring. Total nitrogen, total phosphorus. To measure these two new targets in the 5th of Total Water Contaminants Regulation enforced in Dec. 2001 in Japan, the TPTN-300 offers the ultraviolet oxidation decomposition method that is superior in maintenance and running costs. Not only does the TPNA-300 meet the real need for a precise measurement system, it reduces maintenance time and lowers costs in a variety of ways, from reducing reagent and pure water consumption to decreasing the number of replacement parts. It is a practical system that factors maintenance and running costs into compliance with future standards.
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- A small footprint makes it possible to store in a case designed for outdoor use. UV monitor (OPSA-120) can also be stored with it.
- Features a built-in pollutant load volume operation function that makes it possible to compute the pollutant load of total nitrogen and total phosphorus from the flow-volume signal.
- Precision measurement is possible even if sea water is mixed with the sample water (optional sea water adjustment function).
- Possible to measure the density of two components, total nitrogen and total phosphorus, at the same time on one monitoring system.
- Using an ultraviolet oxidation decomposition method makes it possible to perform preprocessing at a low temperature (100°C or lower) and atmospheric pressure, which enables much easier maintenance than with traditional autoclave methods.
- High correlation with conventional manual analysis methods.
- Offers a wide variety of functions, such as automated zero-point adjustment and correction.
- Reagents flow by means of a pump. No extra equipment or construction for obtaining an air source for the measurement system is necessary.
- Model: TPNA-300
- Name: Automatic Total Nitrogen/Phosphorus Monitoring System
- Measurement methods
- Total nitrogen:
- Alkaline potassium peroxodisulfate UV oxidation - UV absorption method
- Total phosphorus:
- Potassium peroxodisulfate UV oxidation - molybdenum blue absorption method
- Measurement range
- Standard range:
- Total nitrogen: 0 to 2 mgN/L
- Total phosphorus: 0 to 0.5 mgP/L
- One step dilution range:
- Total nitrogen: 0 to 5/10/20/50 mgN/L
- Total phosphorus: 0 to 1/2/5/10 mgP/L
- Two step dilution range:
- Total nitrogen: 0 to 100/200/500/1000 mgN/L
- Total phosphorus: 0 to 20/50/100/250 mgP/L
- Number of measurement ranges
- 1 range (standard)
- *However, 0.2 ≤ total nitrogen full scale/total phosphorus full scale ≤ 100.
- 2 ranges (optional) *Please consult separately.
- Measurement points: 1 point (standard), 2 points (optional)
- Measurement time: 60 minutes
- Repeatability
- Within ±3% full scale (standard range, One step dilution range)
- Within ±5% full scale (Two step dilution range)
- Sample water conditions
- Temperature: 2 to 40°C; Flow rate: 0.5 to 5 L/min (overflow tank flow)
- A sea water adjustment function (optional) is available for when sea water is mixed in.
- *Please consult separately concerning sample water conditions
- Blank water conditions
- Usage volume: 50 L/month *This may increase/decrease depending on the measurement range
- Condition: Should not contain nitrogen or phosphorus compounds
- Fixed pure water tank (standard), continuous supply via pure water supply system (optional)
- Analog output
- Measurement values: Can switch between measurement points and equivalent number
- Load volume: Can switch between measurement points and equivalent number DC4 to 20/0 to 16 mA
- Analog input: Flow rate meter input
- Contact input: Measurement start, Correction start, Forced start, Time adjustment, Flow meter under maintenance, Flow meter damaged, Flow meter power off, Flow meter no waste water, Measurement line selection (2-point metering option)
- Contact output: Measuring line 1 (line 2 optional), Correcting, Standby, Maintenance, Power off, Synchronous signal, Density (max), Warning: Load volume (max), Warning: System failure, No sample water, Insufficient sample water, No pure water, Waste water tank full, No blank water (optional)
- Communications output: RS-232C output
- Power: AC 100 V±10 V 50/60 Hz Approx. 400 VA
- Weight: Approx. 80 kg
- External dimensions: 460 (W) x 425 (D) x 1600 (H) mm
- Paint color: Munsell 5PB8/1 (or equivalent)
- Ambient temperature & humidity: 2 to 40°C, 85% humidity or lower (no condensation)
- Installation environment: Indoors, good ventilation, no direct sunlight.