Water Quality Analysis
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| Origin | Italy |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | HI98185 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | pH, ORP, Ion Selective Electrode (ISE), Temperature |
| Display | 128×64 backlit LCD |
| IP Rating | IP67 |
| Dimensions | 226.5 × 95 × 52 mm |
| Weight | 525 g |
| Power | Rechargeable Li-ion battery (200 h operation), inductive charging |
| Data Storage | 200 measurement records |
| Interface | USB (with optional HI92000 software) |
| Calibration | Auto 5-point pH (7 built-in + 5 user-defined buffers) |
| up to 5-point ISE (6 built-in standards | 0.1–10000 ppm) |
| Accuracy | pH ±0.01 / ±0.002 |
| Resolution | pH 0.1 / 0.01 / 0.001 |
| GLP Compliance | Yes (timestamped calibration logs, electrode diagnostics, auto-endpoint lock, calibration alert) |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China-made) |
| Model | HDY-2110 |
| Price Range | USD 2,800–4,200 |
| Instrument Type | Portable |
| Measurement Principle | Electrochemical Clark-type Polarographic Sensor |
| Measurement Range | 0–200 µg/L |
| Accuracy | ±1.5×10⁻²/4 h |
| Repeatability | ±0.5% FS |
| Detection Limit | 0–200 µg/L |
| Basic Error | ±3.0% FS |
| Response Time | ≤30 s to 98% FS at 25 °C |
| Temperature Resolution | 0.1 °C |
| Temperature Accuracy | ±0.5 °C |
| Operating Temp. | 5–55 °C |
| Storage Temp. | −25–55 °C (electrode ≥0 °C) |
| Relative Humidity | ≤85% RH |
| Sample Temp. Range | 5–60 °C |
| Max. Suspended Solids | ≤5 µm (no colloids or oils) |
| Power | AC 220 V ±10%, 50 Hz / USB-powered rechargeable Li-ion battery (60 h continuous operation) |
| Interface | RS232 |
| Dimensions | 180 × 50 × 25 mm |
| Weight | 0.5 kg |
| IP Rating | IP55 |
| Calibration Modes | Faraday-based zero calibration & air-saturation calibration |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | HDY-2110Z |
| Price Range | USD 2,800–4,200 |
| Instrument Type | Online Continuous Monitor |
| Measurement Principle | Polarographic Electrochemical Sensor |
| Measurement Range | (0.0–20.0, 0.0–200) µg/L |
| Accuracy | ±5.0% F.S. for (0.0–20.0) µg/L range |
| Repeatability | ±1.5% F.S. |
| Detection Limit | 0.10 µg/L |
| Resolution | 0.10 µg/L (ppb mode), 0.01 mg/L (ppm mode) |
| Response Time (t₉₀) | <60 s at 25 °C |
| Temperature Compensation | Automatic (5–50 °C), Manual Settable (0–55 °C) |
| Output | 4–20 mA (load 250–500 Ω), RS485 or CAN bus interface |
| Power Supply | AC 85–265 V, 45–65 Hz, ≤20 VA |
| Enclosure Rating | IP65 |
| Dimensions | 146 × 146 × 108 mm (H×W×D) |
| Panel Cutout | 138 × 138 mm |
| Weight | 1.5 kg (ppb configuration), 1.7 kg (ppm configuration) |
| Brand | HEYL |
|---|---|
| Origin | Germany |
| Model | Testomat CrVI |
| Measurement Principle | Colorimetric Titration |
| Measurement Range | 0.01–1.0 mg/L Cr⁶⁺ |
| Resolution | 0.01 mg/L (0–0.65 mg/L), 0.1 mg/L (0.7–1.0 mg/L) |
| Accuracy | ±3% (0–0.65 mg/L), ±10% (0.7–1.0 mg/L) |
| Power Supply | 230 V AC or 24 V DC |
| Max. Power Consumption | 30 VA |
| Enclosure Rating | IP65 |
| Protection Class | Class I |
| Environmental Operating Temperature | 10–45 °C |
| Sample Inlet Pressure | 0.1–8 bar |
| Sample Inlet Temperature | 10–40 °C |
| Dimensions (W×H×D) | 380 × 480 × 280 mm |
| Weight | ~9.5 kg |
| Relay Output Capacity | 4 A |
| Analog Output (Optional) | 0/4–20 mA, max. load 500 Ω |
| Compliance | EN 50081-1, EN 50082-2, EN 61010-1 |
| Brand | HEYL (Neomeris) |
|---|---|
| Origin | Germany |
| Model | Testomat ECO / Testomat 2000 |
| Measurement Parameter | Total Calcium and Magnesium Hardness (as CaCO₃) |
| Power Supply | 230 V or 24 V ±10 %, 50–60 Hz |
| Power Consumption | ≤30 VA |
| Ingress Protection | IP65 |
| Electrical Safety Class | Class I |
| Compliance | EN 50081-1, EN 50082-2, EN 61010-1 |
| Operating Ambient Temperature | 10–45 °C |
| Sample Inlet Temperature | 10–40 °C |
| Operating Pressure Range | 0.1–3 bar (optional pressure regulator: 1–8 bar) |
| Dimensions (W×H×D) | 380 × 480 × 280 mm |
| Weight | ~9.5 kg |
| Display | Backlit LCD with text-based menu navigation |
| Output Signals | Two programmable relay outputs |
| Maintenance Alert Output | Yes |
| Analog Output | 4–20 mA |
| Mounting | Wall-mounted |
| Units Supported | °dH, °f, ppm CaCO₃, mmol/L |
| Measurement Principle | Colorimetric photometric analysis using EDTA-based titration chemistry |
| Optional Configurations | Dual-channel measurement (Testomat 2000 only) |
| Sampling Frequency Modes | Time-based interval, pulse-triggered (e.g., flow meter signal), volume-proportional, or factory preset cycle |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | CLX |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | DPD Colorimetric Spectrophotometry |
| Measured Parameter | Residual Chlorine (Free & Total) |
| Range | 0–10 mg/L Cl₂ |
| Accuracy | ±5% or ±0.03 mg/L Cl₂ (0–6 mg/L) |
| Repeatability | ±0.01 mg/L |
| Resolution | 0.01 mg/L |
| LOD | 0.01 mg/L |
| Output Options | 4–20 mA analog output |
| Enclosure Rating | IP66 |
| Brand | Hirschmann |
|---|---|
| Origin | Germany |
| Model | COD-Mn |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Potentiometric End-Point Detection with Automated Titration |
| Range | 0–500 mL sample volume |
| Repeatability | ±0.5% RSD |
| Accuracy | ±0.5% of reading |
| LOD | 10 µL reagent delivery resolution |
| Resolution | 0.02 mg/L as O₂ |
| Single-Test Duration | ≤60 s |
| Power | Rechargeable Li-ion battery (50 h continuous operation) |
| Compliance | Designed to meet requirements of GB 11892–1989, ISO 8467:1993, and ASTM D1253–22 |
| Brand | Hirschmann |
|---|---|
| Origin | Germany |
| Model | Water Quality Sampling Fixative Box |
| Instrument Type | Portable Manual Sampler |
| Sampling Method | Quantitative Fixed-Volume Addition |
| Single Sample Volume | 1 Unit (Configurable per Standard Vial Size) |
| Dispensing Accuracy | ±0.05% |
| Reagent Dispensing Rate | Up to 1000 operations/hour |
| Minimum Sampling Interval | 1 minute |
| Maximum Sampling Depth | 0–10 m |
| Compliance | Designed per HJ 493–2009, ASTM D3370, ISO 5667-3, and US EPA Guidance for Preservation of Aqueous Samples |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | HK-3070ZD |
| Quotation | Upon Request |
| Temperature Control Range | Ambient to 120 °C |
| Temperature Accuracy | ±0.2 °C (ambient–60 °C), ±0.3 °C (60–120 °C) |
| Oscillation Frequency | 275 ±5 cycles/min |
| Oscillation Amplitude | 35 mm |
| Timer Range | Adjustable (0–999 min) |
| Power Supply | AC 220 V ±10 %, 50 Hz |
| Operating Ambient Temperature | 5–40 °C |
| Operating Ambient Humidity | ≤85 % RH (non-condensing) |
| Dimensions (W×D×H) | 500 × 460 × 420 mm |
| Brand | Huake Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | HK-51 |
| Price Range | USD 700–1,400 (FOB) |
| Instrument Type | Sodium Ion-Specific Analyzer |
| Form Factor | Benchtop |
| Measurement Range | (1.00–8.00) pNa, equivalent to 0.23 µg/L–2.30 g/L Na⁺ |
| Detection Limit | ±0.03 pNa or ±5 µg/L (whichever is greater) |
| Response Time (T₉₀) | 2 min at 25 °C |
| Temperature Compensation | Automatic or Manual (0.1–60.0 °C) |
| Temperature Measurement Range | (0.0–99.9) °C |
| Temperature Accuracy | ±0.5 °C |
| Display | 192×64 dot-matrix LCD (English/Chinese selectable) |
| Resolution | 0.01 pNa / 0.01 µg/L |
| Electronic Unit Error | ±0.01 pNa or ±1 digit |
| Stability | ±0.01 pNa / 4 h |
| Input Impedance | ≥1×10¹² Ω |
| Power Supply | AC 100–240 V, 50–60 Hz |
| Power Consumption | 3 W |
| Dimensions | 270 × 200 × 65 mm (L×W×H) |
| Weight | 2 kg |
| Brand | Huake Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HK-8620 |
| Pricing | Available Upon Request |
| Brand | Huake Instrument |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HK-8630 |
| Pricing | Available Upon Request |
| Brand | HKM (Guangdong Huankai Microbial Technology Co., Ltd.) |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model No. | 090000 |
| Pricing | Available Upon Request |
| Brand | HKM |
|---|---|
| Origin | Guangdong, China |
| Model | 090080 |
| Detection Range | 0.01–1 mg/L (with discrete calibration points at 0.01, 0.05, 0.1, 0.2, 0.4, 0.6, 0.8, and 1.0 mg/L) |
| Packaging | Single-use sealed pouches per test |
| Compliance | Patented (CN ZL200510037389.8) |
| Intended Use | Field-deployable colorimetric determination of ammonia nitrogen in freshwater, aquaculture systems, wastewater effluents, and surface water |
| Brand | HKM |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model No. | 090010 |
| Detection Principle | DPD (N,N-Diethyl-p-phenylenediamine) Colorimetric Method |
| Measurement Range | 0.05–1.0 mg/L O₃ (8-point calibrated scale: 0.05 / 0.1 / 0.2 / 0.3 / 0.4 / 0.5 / 0.7 / 1.0 mg/L) |
| Format | Single-use tablet, individually foil-wrapped |
| Shelf Life | 24 months from manufacture date |
| Compliance | GB/T 5750.11–2023 (Standard Methods for Examination of Drinking Water – Disinfectants), ISO 6205:2021 (Water quality — Determination of ozone — DPD spectrophotometric method) |
| Brand | HKM |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | 090490 |
| Price | USD 42 (approx.) |
| Detection Principle | Phosphomolybdenum Blue Colorimetric Method (for test strips) |
| Sample Matrix | Wastewater, Surface Water, Treated Effluent |
| Detection Range (Test Strips) | 0–3–10–25–50–100–200–400 mg/L PO₄³⁻ as P |
| Total Phosphorus Compatibility | Yes (requires acid persulfate or UV digestion prior to testing) |
| Calibration | Pre-calibrated visual color chart included |
| Shelf Life | 24 months from manufacture date when stored at 2–30 °C, protected from moisture and light |
| Compliance | Designed in alignment with ISO 6878:2004 (Water quality — Determination of phosphorus — Ammonium molybdate spectrophotometric method) and EPA Method 365.1 (Phosphorus, total, automated, persulfate digestion) |
| Brand | HKM |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | 0–10 mg/L |
| Instrument Type | Laboratory-Grade Test Strips |
| Measurement Principle | DPD (N,N-Diethyl-p-phenylenediamine) Colorimetric Method |
| Measured Parameter | Free Residual Chlorine |
| Measurement Range | 0–10 mg/L |
| Accuracy | ±1 mg/L |
| Repeatability | ±1 mg/L |
| Resolution | 1 mg/L |
| Limit of Detection | 0.3 mg/L (visual colorimetric endpoint) |
| Brand | HKM |
|---|---|
| Model | S-101 |
| Measurement Range | 0.00–2.50 mg/L |
| Wavelength | 510 nm |
| Light Source | Silicon Photodiode |
| Accuracy | ±0.05 mg/L (0.05–0.99 mg/L), ±0.10 mg/L (1.00–2.50 mg/L) |
| Method | DPD Colorimetric Method per GB 11898–1989 |
| Operating Temperature | 0–40 °C |
| Relative Humidity | 0–90 % RH (non-condensing) |
| Power Supply | 1 × 9 V alkaline battery (≥40 h continuous operation) |
| Dimensions | 170 × 70 × 30 mm |
| Weight | 200 g (including battery) |
| Compliance | Designed to support compliance with ISO 7027, APHA Standard Methods 4500-O₃, and Chinese National Standard GB 11898–1989 |
| Brand | HKM |
|---|---|
| Model | S-102 |
| Measurement Range | 0.00–3.00 mg/L (as Cl₂) |
| Wavelength | 510 nm |
| Light Source | Silicon Photodiode |
| Accuracy | ±0.05 mg/L (for readings < 1.00 mg/L) |
| Method | DPD (N,N-Diethyl-p-phenylenediamine) Colorimetric Reaction |
| Operating Temperature | 0–40 °C |
| Relative Humidity | 0–90% RH (non-condensing) |
| Power Supply | 1 × 9 V alkaline battery (≥40 h continuous operation) |
| Dimensions | 170 × 70 × 30 mm |
| Weight | 200 g (including battery) |
| Standard Kit Includes | 1 instrument unit, 2 matched cuvettes, 200 total test cycles (100 free chlorine + 100 total chlorine), reagent packs available separately (100 tests/pack) |
| Brand | HKM |
|---|---|
| Origin | Guangdong, China |
| Model | S-107 |
| Measurement Range | 5–999 mg/L |
| Wavelength | 450 nm |
| Light Source | Blue LED |
| Accuracy | ±5% |
| Display | LCD (mg/L) |
| Operating Temperature | 0–40 °C |
| Relative Humidity | 0–90% RH (non-condensing) |
| Power | 1 × 9 V battery (≥40 h lifetime) |
| Dimensions | 170 × 70 × 30 mm |
| Weight | 200 g (with battery) |
| Includes | Instrument host, 2 matched cuvettes |
| Compliance | Aligned with GB 26366–2010 and methodology per 2002 Disinfection Technical Guidelines (Spectrophotometric Method) |
| Brand | HKM |
|---|---|
| Origin | Guangdong, China |
| Model | S-202 |
| Instrument Type | Portable |
| Measurement Principle | DPD Spectrophotometry |
| Measured Parameter | Free Residual Chlorine |
| Range | 0–10 mg/L |
| Accuracy | ±5% |
| Repeatability | ±5% |
| Resolution | 1 mg/L |
| Detection Limit | 1 mg/L |
| Power | Alkaline batteries (≥40 h operation per set) |
| Brand | HKM |
|---|---|
| Origin | Guangdong, China |
| Model | S-206 |
| Instrument Type | Portable |
| Measurement Parameter | Chlorine Dioxide (ClO₂) |
| Measurement Range | 5–999 mg/L |
| Accuracy | ±5% |
| Repeatability | ±3 mg/L |
| Resolution | 1 mg/L |
| Detection Limit | 1 mg/L |
| Light Source | LED |
| Wavelength | 445 nm |
| Power Supply | 4 × 1.5 V AA batteries |
| Dimensions | 159 × 68 × 35 mm |
| Weight | 220 g (including batteries) |
| Compliance | Compatible with Standard Iodometric Methods (Five-Step and Malonic Acid Iodometric Methods) |
| Brand | Hokuri |
|---|---|
| Origin | Japan |
| Model | H2O2-V2 |
| Measurement Range | 0–1200 mg/L H₂O₂ |
| Resolution | 1 mg/L |
| Method | Solid-phase photometric assay (catalyzed peroxidase reaction) |
| Interference Resistance | Confirmed immunity to Cu²⁺, Fe²⁺/Fe³⁺, Ni²⁺, Cr³⁺/Cr⁶⁺ at typical plating bath concentrations |
| Dimensions | 185 × 95 × 45 mm |
| Weight | 380 g |
| Power | Rechargeable Li-ion battery (≥8 h continuous operation) |
| Compliance | Designed per ISO 15528:2018 (water quality — sampling guidance), compatible with GLP documentation workflows |
| Brand | Horde Electric |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | HD-101 |
| Measurement Principle | Potassium Dichromate Oxidation–Spectrophotometric Method |
| Measurement Range | (15–1000) mg/L, (50–3000) mg/L, (200–10000) mg/L (expandable) |
| Zero Drift | ±5 mg/L |
| Span Drift | ±5% F.S. |
| Accuracy | ±10.0% of reading |
| Limit of Quantitation | 15 mg/L |
| Repeatability | ≤5.0% RSD |
| Cycle Time | ≤60 min |
| Insulation Resistance | >20 MΩ |
| MTBF | ≥720 h |
| Communication Interfaces | RS232 / RS485, 4–20 mA analog output |
| Dimensions (L×W×H) | 500 × 440 × 1440 mm |
| Weight | 55 kg |
| Display | 7-inch capacitive touchscreen |
| Controller | Industrial PLC-based embedded system |
| Operating Temperature | 5–40 °C |
| Operating Humidity | 20–85% RH (non-condensing) |
| Power Supply | AC 220 V ±25%, 50 Hz ±0.5 Hz |
| Rated Power Consumption | 100 W |
| Brand | Horde Electric |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HD-BTN |
| Price | USD 1,780 (FOB) |
| Measurement Method | Chromotropic Acid Spectrophotometry |
| Range | 0.5–200 mg/L |
| Resolution | 0.001 mg/L |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | 1512-10C |
| Measuring Range | 2.3–230,000 ppm Na⁺ |
| Compatible Reference Electrode | 2565A |
| Catalog Number | 3014068526 (9003016700) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | 6560-10C |
| Measurement Range | 0.4–35,000 ppm Cl⁻ |
| Electrode Type | Composite (Integrated Reference) |
| Compatible Instruments | F-72, F-73, F-74, F-74BW, D-53 |
| Catalog No. | 3014093430 (Legacy: 9003014500) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | 6561-10C |
| Measurement Range | 0.02–19,000 ppm F⁻ |
| Electrode Type | Composite (integrated reference), no external reference electrode required |
| Compatible Instruments | HORIBA F-72, F-73, F-74, F-74BW (benchtop) |
| Compliance | Designed for ASTM D1179, ISO 10304-1, and EPA Method 300.0 applications in water quality testing |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | 6581-10C |
| Measuring Range | 0.62–62,000 ppm NO₃⁻ |
| Electrode Type | Composite (integrated reference) |
| Compatible Instruments | F-72, F-73, F-74, F-74BW (benchtop) |
| Interference Consideration | Performance affected by pH and coexisting ions (e.g., Cl⁻, SO₄²⁻, HCO₃⁻) |
| Part Number | 3014093432 (legacy: 9003014700) |
| Brand | HORIBA |
|---|---|
| Origin | Japan |
| Model | 6582-10C |
| Measurement Range | 0.04–39,000 ppm K⁺ |
| Electrode Type | Composite (Integrated Reference) |
| Compatible Meters | HORIBA F-72 / F-73 / F-74 / F-74BW (benchtop), D-53 (portable) |
| Reference System | Built-in double-junction Ag/AgCl reference |
| Operating pH Range | 2.5–10.5 (K⁺-specific membrane unaffected by common interferents within this range) |
| Response Time | <30 seconds (t₉₀ in standard calibration solutions) |
| Temperature Range | 0–50 °C |
| Storage Solution | 0.1 M KCl or manufacturer-recommended storage buffer |