The LH-LH-T725 COD detector (abbreviated as LH-LH-T725 detector) is a desktop multi parameter (COD/ammonia nitrogen/total phosphorus/total nitrogen) measuring instrument that uses rapid digestion spectrophotometry to determine chemical oxygen demand (COD), ammonia nitrogen, total phosphorus, and total nitrogen in surface water, groundwater, drinking water sources, domestic sewage, and industrial wastewater. The instrument is intelligent, accurate, easy to operate, and suitable for field and on-site use.
COD detectorProduct Introduction:
The LH-T725 intelligent multi parameter analyzer (referred to as LH-LH-T725 detector) is a desktop multi parameter (COD/ammonia nitrogen/total phosphorus/total nitrogen) analyzer that uses rapid digestion spectrophotometry to determine chemical oxygen demand (COD), ammonia nitrogen, total phosphorus, and total nitrogen in surface water, groundwater, drinking water sources, domestic sewage, and industrial wastewater. Intelligent and accurate instrumentEasy to operate, suitable for field and on-site use.
COD detectorProduct Features:
◆ Touch sensitive design: 7-inch IPS full touch color screen, touch sensitive auxiliary buttons, data read-only, easy to operate
◆ Light source advantage: using LED light source and filter, with excellent optical performance, no need for preheating, and a lifespan of up to 100000 hours
◆ Intelligent operation: Intelligent operation program, guiding customers to easily operate, equipped with thermal printer, can print data
◆ Professional testing: Equipped with professional testing reagents to reduce the accuracy of testing caused by user operationMoreover, the prices of reagents and consumables are low
Product Parameters:
Test Item |
COD (Chemical Oxygen Demand) |
ammonia nitrogen |
Total Phosphorus |
Total Nitrogen |
Testing Scope |
0-15000mg/l (segmented) |
0-50mg/l |
0-20mg/l |
0.5-50mg/l |
Dissolving temperature |
165℃,20min |
Not dissolving |
150℃,15min |
125℃,30min |
measurement method |
Potassium dichromate photometric method |
Nessler's reagent photometric method |
Molybdenum blue photometric method |
Potassium persulfate photometric method |
precision |
<±5% |
<±5% |
<±5% |
<±5% |
Range of absorbance |
0-3.5Abs |
Repetitive operation |
≤±0.005Abs |
light source lifetime |
100,000 hours |
Filter lifespan |
5 years |
Product weight |
3.25kg |
Product dimensions |
412mm*253mm*164mm |
Instrument power supply |
DC 12V/5A |
ambient temperature |
0-50℃ |
ambient humidity |
No requirements |
