TECHNICAL SPECIFICATIONS
Model | VE-TN01 | VE-TP01 | VE-N001 |
Name | Ammonia nitrogen | Total phosphorus | Total nitrogen |
Measuring rang
|
0-10mg/L
10-15mg/L 10-300mg/L |
0-2.00mgL/,0.10-10.00mg/L
0.5-50mg/L,1.0-100mg/L 5-500mg/L |
0-10.00mg/L,0.1-50mg/L
0.5-100mg/L,1.0-300mg/L 5-500mg/L |
Accuracy | ±10% | ≤0.5mg/L ±0.05mg/L;
≥0.5mg/L ≥±10% |
|
Principle | Salicylic acid spectrophotomtry | Ammonium molybdate
spectrophotomtry |
Ultraviolet spectrophotomtry with alkaline potassium persulfate digestion |
Zero drift | ≤±5%F.S | / | |
Resolution | 0.01mg/L | / | |
Repetability | ±5% | ≥±5% | |
Power supply | 220VAC ±10%, 50-60Hz | 220VAC ±10%V,50±10%Hz,5A | |
Output | 4-20Ma*2 RS232, RS485; | ||
Working condition | Work temp:5-35°C 5-35°C
≤90% ≤90% |
||
Application | Chemical factory water discharge, Tap water, River/lake water, High concentration sewage | ||
Daily period | • Measurment time/:Min 30 minutes,Digestion 5-120 minutes
• Sample time/: 10-9999minutes,hourly • Calibration time/: 1-99 days interval, 1-99 |