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Portable Multi-parameter Water Quality Analyzer

Model：

HD-DSX

Introduction：

Portable Multi-parameter Water Quality Analyzer measures multiple water parameters (pH, DO, conductivity, turbidity, temperature, ORP and specific ions) on site. With Beidou positioning and a waterproof body, it is widely used for field water quality monitoring....

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  • Technical Specifications
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I. Product Overview

The portable multi-parameter water quality analyzer enables rapid, comprehensive on-site testing of multiple core routine and characteristic water quality parameters (flexible combination of pH, dissolved oxygen, conductivity, turbidity, temperature, ORP, specific ions, etc. is supported). The device is equipped with BeiDou positioning, which simultaneously records sampling point information for convenient data traceability. The whole unit is waterproof, lightweight and easy to carry, simple to operate, and supports Chinese/English switching, meeting the needs of various field water testing scenarios at home and abroad.

II. Applications

1. Ecological environment: comprehensive water quality patrol of rivers, lakes, reservoirs, groundwater and key outfalls, integrated surface-water environmental quality assessment and on-site evidence collection;

2. Industry & water treatment: comprehensive monitoring of each process stage in wastewater treatment plants, compliance monitoring of waterworks source water, and inspection of various industrial wastewater discharges;

3. Aquaculture & marine: integrated water quality management of high-density freshwater and seawater aquaculture, and water quality health and baseline ecological environment testing in offshore and tidal-flat waters;

4. Research & teaching: field investigation and sampling of water environment evolution, water ecological restoration and multi-parameter water quality indicators by colleges and research institutes;

5. Overseas projects: comprehensive water quality survey projects for overseas water conservancy hubs, integrated water management, environmental restoration and environmental protection operation & maintenance.

III. Product Features

1. Supports rapid testing of 20 indicators - COD, ammonia nitrogen, turbidity, suspended solids, blue-green algae, chlorophyll, conductivity, pH, ORP, dissolved oxygen, BOD, nitrate, chloride, fluoride, oil in water, color, transparency, salinity, TDS, water depth and temperature - freely selectable according to user requirements to meet water quality testing needs in all fields;

2. The whole instrument achieves IP67 waterproof and dustproof rating; outdoor testing is immune to water vapor, rain splashing and short-time immersion;

3. Adopts digital electrodes with automatic recognition upon connection, and supports temperature compensation and air-pressure compensation, effectively avoiding the influence of ambient temperature and improving measurement accuracy and stability;

4. Built-in 23680 mW/h large-capacity lithium battery, delivering a battery life of more than 24 hours;

5. Standard large-capacity storage on the main unit, capable of storing more than 200,000 sets of test data;

6. ★ Equipped with user-switchable BeiDou positioning; positioning information is stored and printed synchronously for convenient sampling traceability;

7. ★ Supports USB data export, WIFI remote firmware upgrade, and Bluetooth connection to an external printer;

8. Equipped with multiple reading modes - automatic, timed, interval and manual - adapting to various testing conditions;

9. ★ Electrodes are fitted with push-pull self-locking aviation connectors featuring a fool-proof structure for quick assembly and disassembly, with a sealing structure matching the protection rating of the whole instrument;

10. ★ The magnetic interface handles both charging and data transmission, reducing wear from repeated plugging and unplugging, enhancing waterproof and dustproof performance, and extending the service life of the interface;

11. Intelligent power-saving management: configurable sleep and auto-shutdown, with low-battery reminders and charging status display;

12. ★ Supports user-defined limit values; when data exceeds the limit, a synchronous sound alarm and red-highlighted display value are triggered, effectively preventing data omission;

13. ★ 4-inch high-definition color LCD screen, supporting backlight adjustment and one-touch manual switching of the Chinese/English system interface;

14. Detachable, tightening wrist strap for convenience and handheld comfort;

15. Strong overall compatibility: various suitable electrodes can be flexibly selected according to testing requirements.

IV. Main Unit Parameters

Electrode InterfacePush-pull self-locking aviation connector
Electrode Cable5 m as standard, customizable on request
Reading ModeManual, automatic, timed, interval acquisition
CalibrationOne-point / two-point calibration supported
Electrode AdaptationAutomatic recognition
CompensationTemperature compensation, air-pressure compensation
PositioningBuilt-in BeiDou positioning; coordinates stored and printed together with test data
Data StorageStorage capacity ≥ 200,000 sets
Data CommunicationMagnetic data export, WIFI remote upgrade, Bluetooth wireless connection
Power & Battery LifeBuilt-in 23680 mW/h lithium battery, magnetic charging, battery life over 24 h
Power ManagementCustomizable sleep, auto-shutdown, low-battery reminder, charging status display
AlarmSound and light alarm when test values exceed the limit
Protection RatingMain unit and aviation-connector cable in connected state: IP67; electrode: IP68
Ambient ConditionsOperating temperature 0～40 ℃; relative humidity ≤ 93% RH (non-condensing)
Display Screen4-inch high-definition color LCD screen
System LanguageSimplified Chinese by default; one-touch manual switching between Chinese and English
Main Unit Dimensions272 × 110 × 50 mm
Main Unit Weight635 g
AccessoriesDedicated waterproof accessory case, Bluetooth printer, international conversion plug (optional)

V. Electrode Parameters

NameRangeResolutionAccuracyRepeatabilityDetection LimitPrincipleProtection
pH(0-14) pH0.01 pH± 0.1 pH± 0.1 pH/Glass electrodeIP68
Dissolved Oxygen(0-20) mg/L0.01 mg/L± 0.3 mg/L< 0.1 mg/L0.3 mg/LFluorescence methodIP68
Turbidity(0-1000) NTU; (0-4000) NTU0.01 NTU± 3% or 3 NTU< 2% or 2 NTU5 NTULight scattering methodIP68
Conductivity (freshwater)Conductivity: (0-10,000) μS/cm; T: (0-60) ℃0.01 μS/cm; 0.01 ℃Conductivity: ± 1% or 2 μS/cm; T: 0.1 ℃Conductivity: < 0.5% or 2 μS/cmConductivity: 5 μS/cmGraphite electrode methodIP68
Conductivity (seawater)Conductivity: (0-200,000) μS/cm; Salinity: (0-70) PPT; TDS: (0-100) g/L; T: (0-60) ℃0.01 μS/cm; 0.01 PPT; 0.01 g/L; 0.01 ℃Conductivity: ± 1% or 2 μS/cm; Salinity: ± 1% or 0.2 PPT; TDS: ± 1% or 0.02 g/L; T: 0.1 ℃Conductivity: < 0.5% or 2 μS/cm; Salinity: < 0.5% or 0.1 PPT; TDS: < 0.5% or 0.01 g/LConductivity: 5 μS/cm; Salinity: 0.3 PPT; TDS: 0.03 g/LGraphite electrode methodIP68
ChlorophyllChlorophyll: (0-500) μg/L; Rhodamine: (0-2500) μg/L0.01 μg/LChlorophyll: ± 5% or 2 μg/L; Rhodamine: ± 5% or 10 μg/LChlorophyll: < 2% or 1 μg/L; Rhodamine: < 2% or 5 μg/LChlorophyll: 3 μg/L; Rhodamine: 15 μg/LFluorescence methodIP68
Blue-Green Algae(0-2000) kcells/mL0.01 kcells/mL< 5% or 0.2 kcell/mL< 2% or 0.1 kcell/mL0.3 kcells/mLFluorescence methodIP68
Suspended Solids(0-1000) mg/L; (0-25,000) mg/L0.01 mg/L; 1 mg/L± 3% or 3 mg/L; ± 3% or 20 mg/L< 2% or 2 mg/L; < 2% or 10 mg/L5 mg/L; 50 mg/LLight scattering methodIP68
CODCOD: (0-200) mg/L; Turbidity: 0-500 NTU; COD: (0-1000) mg/L; Turbidity: 0-2000 NTUCOD: 0.01 mg/L; Turbidity: 0.01 NTUCOD: ± 5% or 3 mg/L; Turbidity: ± 3% or 3 NTU< 2% or 1 mg/L3 mg/LUV absorption methodIP68
BOD(0-100) mg/L; (0-500) mg/L0.01 mg/L± 5% or 3 mg/L< 2% or 1 mg/L3 mg/LUV absorption methodIP68
ORP(-2000 - 2000) mV1 mV± 10 mV< 5 mV/Glass electrodeIP68
Ammonia NitrogenNH4: (0-1000) mg/L; pH: 0-14; T: (0-60) ℃NH4: 0.01 mg/L; pH: 0.01; T: 0.01 ℃NH4: ± 10% or 0.3 mg/L; pH: ± 0.1; T: ± 0.1 ℃< 5% or 0.1 mg/L0.1 mg/LIon-selective electrodeIP68
NitrateNO3: (0-1000) mg/L; pH: 0-14; T: (0-60) ℃NO3: 0.01 mg/L; pH: 0.01; T: 0.01 ℃NO3: ± 10% or 0.3 mg/L; pH: ± 0.1; T: ± 0.1 ℃< 5% or 0.1 mg/L0.1 mg/LIon-selective electrodeIP68
ChlorideCl: (0-1000) mg/L; pH: 0-14; T: (0-60) ℃Cl: 0.01 mg/L; pH: 0.01; T: 0.01 ℃Cl: ± 10% or 0.3 mg/L; pH: ± 0.1; T: ± 0.1 ℃< 5% or 0.1 mg/L0.1 mg/LIon-selective electrodeIP68
FluorideF: (0-1000) mg/L; pH: 0-14; T: (0-60) ℃F: 0.01 mg/L; pH: 0.01; T: 0.01 ℃F: ± 10% or 0.3 mg/L; pH: ± 0.1; T: ± 0.1 ℃< 5% or 0.1 mg/L0.1 mg/LIon-selective electrodeIP68
Oil in Water(0-150) mg/L0.01 mg/L± 5% or 0.2 mg/L< 2% or 0.1 mg/L0.3 mg/LFluorescence methodIP68
Color(0-500) Hazen0.01 Hazen± 5% or 3 Hazen< 2% or 2 Hazen5 HazenOptical absorption methodIP68
Transparency(0-1000) cm0.1 cm± 5% or 5 cm2% or 2 cm/Transmission measurement methodIP68
CTDWater level: 30 m; Temperature: (0-60) ℃; Conductivity: (0-200) mS/cm; Salinity: (0-70) PPT; TDS: (0-100) g/LLevel: 1 mm; Temp.: 0.01 ℃; Cond.: 0.01 μS/cm; Salinity: 0.01 PPT; TDS: 0.01 g/LLevel: 1 cm; Temp.: 0.05 ℃; Cond.: 1%; Salinity: 1%; TDS: 1%//Graphite electrode / platinum resistance / pressureIP68
The video is currently in production, please stay tuned......
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