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Measurement parameters：
NH₃-N
Water Quality Tester
Brand
SMART SENSOR
Bante
TongAo
YUEFENG
JingQi
NOBOTECH
QiWei
Type
Single parameter
Multiparameter
Style
desktop
Portable
Pen style
Online
Detection Principle
Electrochemical
Photometric
Electrode
Conductivity
Turbidimetric
DO Method
Measurement parameters
pH
DO
EC
COD
TP
NH₃-N
NTU
Residual Chlorine
TDS
ORP
TN
Salinity
Heavy Metals
Temperature
Others
Range
PPB Level
PPM Level
PPT Level
Wide Range
Accuracy
±0.5%FS
±1%FS
±2%FS
±5%FS
Resolution
0.001
0.01
0.1
1
Data Output
None
RS232
USB
Bluetooth
4-20mA
RS485
IP Rating
IP54
IP57
IP65
IP67
IP68
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TONGAO TR-408H COD Ammonia Nitrogen Total Phosphorus Total Nitrogen Turbidity Tester, Imported Cold Light Source Spectrophotometric method, spec-trophotometry
$4688.00
TONGAO TR-4ZH Portable STIP-scan imported cold light source digestion Colorimetric integrated tube
$4721.00
TONGAO TR-109H Ammonia Nitrogen Rapid Tester, Water Quality Testing, Imported Cold Light Source
$816.00
TONGAO TR 6900DZ Benchtop STIP-scan Digestion Colorimetric Multi-ParaMeter Determination
$4882.00
TONGAO TR 6900CNHN Benchtop STIP-scan Digestion Colorimetric Pipe
$4085.00
YUE FENG SZ8115 Ammonia Nitrogen Tester, Microcomputer Touchscreen High Accuracy Water Quality Testing
$356.00
YUE FENG SZ8125 Multi-ParaMeter Water Quality Analyzer Microcomputer Touchscreen Multi-point Correction
$877.00
YUE FENG SZ8126 Multi-ParaMeter Water Quality Analyzer Microcomputer Touchscreen Multi-point Correction
$929.00
YUE FENG SZ8127 Multi-ParaMeter Water Quality Analyzer Microcomputer Touchscreen Multi-point Correction
$993.00
YUE FENG SZ8128 Multi-ParaMeter Water Quality Analyzer Microcomputer Touchscreen High Accuracy Water Quality Testing
$1058.00
HANNA HI9829-10042 Multi-ParaMeter, water quality Tester 16 indicators measurement
$7264.00
HANNA HI9829-11042 Multi-ParaMeter Detector, automatic identification of 16 indicators of water quality Meter
$8494.00
QIWEI AD-83T Benchtop Ammonia Nitrogen Detector, Microcomputer Optoelectronic Colorimetry
$262.00
QIWEI AD-82B Portable Ammonia Nitrogen Tester, Microcomputer Optoelectronic Colorimetric Detection
$262.00
TONGAO TR-900H Multi-ParaMeter Water Quality Analyzer Imported cold light source digestion Colorimetric integrated tube
$5528.00
TONGAO TR-208H COD Ammonia Nitrogen Analyzer STIP-scan Rapid Digestion Spectrophotometric method, spec-trophotometry
$2946.00
TONGAO TR-308H COD Ammonia nitrogen total phosphorus turbidity Tester, rapid digestion Spectrophotometric method, spec-trophotometry
$3268.00
TONGAO TR-408ZH Portable STIP-scan imported cold light source, digestion Colorimetric integrated tube
$4882.00
TONGAO TR 6900A Multi-channel Water Quality Rapid Tester COD Tester
$2526.00
TONGAO TR 6900B Benchtop STIP-scan COD Rapid Determination of Ammonia Nitrogen
$2752.00
TONGAO TR 6900C Benchtop STIP-scan COD Determination of Ammonia Nitrogen Total Phosphorus Turbidity Suspension
$3075.00
TONGAO TR 6900D Benchtop STIP-scan COD Ammonia Nitrogen Total Phosphorus Total Nitrogen Turbidity Suspension Determination
$4688.00
TONGAO TR 6900Z Desktop STIP-scan heavy metals measuring instrument
$3268.00
TONGAO TR 6900NH Desktop STIP-scan Ammonia Nitrogen Rapid Tester
$1493.00
TONGAO TR 6900NHP Benchtop STIP-scan Determination of Ammonia Nitrogen Total Phosphorus Turbidity Suspension
$2752.00
TONGAO TR 6900NHN Desktop STIP-scan Ammonia Nitrogen Total Nitrogen Tester
$3075.00
TONGAO TR 6900NHPN Benchtop STIP-scan Ammonia Nitrogen Total Phosphorus Total Nitrogen Turbidity Suspension Tester
$3430.00
TONGAO TR 6900PN Benchtop STIP-scan total phosphorus and total nitrogen turbidity suspended solids Tester
$3268.00
JINGQI WD9201P COD Ammonia Nitrogen Tester, Imported Cold Illuminant PID Temperature Control
$1548.00
JINGQI WD9201B Portable Water Quality Tester, Digestion and Determination Separate Cold Illuminant Optical inspection system
$1560.00
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