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Product Difference
Product Price($)
Total Organic Carbon Monitoring Equipment

Total Organic Carbon Monitoring EquipmentHM-TOC

HM-TOC
Detectable items: TC, ICTOC, NPOC; Detection accuracy: 0.001mg/L.
26850
Constant Silicate Analyzer

Constant Silicate AnalyzerHM-GSGC

HM-GSGC
Constant-level soluble silicate measurement from 0.05–10 mg/L, with 0.001 mg/L content resolution and ±2% F.S. basic error.
890
nephelometric turbidity meter

nephelometric turbidity meterHM-SXT1

HM-SXT1
Portable nephelometric turbidity meter with 860nm LED. Measures 0–2000 NTU at 0.001 NTU resolution, IP65-rated for field water quality testing in drinking water and wastewater.
660
Portable Turbidity Meter

Portable Turbidity MeterHM-SXT2

HM-SXT2
The HM-SXT2 is a portable turbidity meter with scatter-transmission dual-mode detection and automatic switching, covering 0–4000 NTU at 0.001 NTU resolution. Its 860 nm LED source, Android touchscreen, IP65 protection, and 16 GB storage suit field and lab water quality testing.
810
nephelometric turbidity and suspended solids meter

nephelometric turbidity and suspended solids meterHM-SXTS

HM-SXTS
Nephelometric turbidity and suspended solids meter with 860nm LED, 0–2000 NTU, configurable TSS coefficient, IP65 rating, and 8000mAh battery for field and lab water quality testing.
880
Portable Biological Toxicity Analyzer

Portable Biological Toxicity AnalyzerHM-BDXP

HM-BDXP
The HM-BDXP is the flagship portable analyzer integrating three detection modes — quantitative bioluminescent bacteria, qualitative chemiluminescence, and dual-channel ATP — with 24-position constant-temperature incubation, refrigerated storage, and kinetic detection. Running on Android 10 with a 7-inch touchscreen, it supports 30,000 result records and 30000mAh battery for professional-grade all-in-one toxicity, incubation, and cleanliness monitoring.
9800
Handheld COD Analyzer

Handheld COD AnalyzerHM-SCOD

HM-SCOD
The HM-SCOD is a dedicated single-parameter handheld COD detector covering 10–15,000 mg/L across four measurement ranges, compliant with HJ/T399-2007. Its Android OS interface, automatic wavelength selection, and 0.001 absorbance sensitivity deliver laboratory-grade spectrophotometric accuracy at the lowest price point in the HM Instruments handheld water quality detector lineup.
660
Handheld Ammonia Nitrogen Analyzer

Handheld Ammonia Nitrogen AnalyzerHM-SNH-2

HM-SNH-2
The HM-SNH-2 is the lowest-priced entry in the HM Instruments handheld water quality detector lineup, offering dedicated ammonia nitrogen measurement via both Nessler and salicylic acid methods. Compliant with HJ535-2009, it provides laboratory-grade spectrophotometric accuracy with 0.001 absorbance sensitivity in a 325-gram portable device.
450
Handheld Total Phosphorus Analyzer

Handheld Total Phosphorus AnalyzerHM-STP

HM-STP
The HM-STP is a dedicated single-parameter handheld total phosphorus detector covering 0.02–30 mg/L, compliant with HJ671-2013. With 0.001 absorbance sensitivity, automatic wavelength selection, and an included smart digestor, it provides precise eutrophication risk assessment at the same price as a general COD detector.
660
Handheld Multiparameter Water Quality Analyzer

Handheld Multiparameter Water Quality AnalyzerHM-S102

HM-S102
The HM-S102 combines COD and ammonia nitrogen measurement in a single handheld device, covering the two most frequently monitored wastewater discharge parameters. At $810, it costs 37% less than purchasing separate HM-SCOD and HM-SNH-2 units, while retaining the full Android OS interface, automatic wavelength selection, and included smart digestor.
820
Handheld Multiparameter Water Quality Analyzer

Handheld Multiparameter Water Quality AnalyzerHM-S103

HM-S103
The HM-S103 covers COD, ammonia nitrogen, and total phosphorus — the three core discharge monitoring indicators for municipal wastewater treatment — in one handheld device. At $960, it costs 54% less than purchasing three separate single-parameter units, while each parameter retains independent HJ-series standard compliance and spectrophotometric accuracy.
970
Handheld Multiparameter Water Quality Analyzer

Handheld Multiparameter Water Quality AnalyzerHM-S104

HM-S104
The HM-S104 covers COD, ammonia nitrogen, total phosphorus, and total nitrogen — the four standard discharge permit monitoring parameters — in one handheld device. At $1,100, it costs 60% less than purchasing four separate single-parameter units, while each parameter retains independent HJ-series standard compliance and spectrophotometric precision.
1100