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Handheld COD and Ammonia Nitrogen Meter

Model：

HD-S102

Introduction：

Handheld COD and Ammonia Nitrogen Meter measures COD and ammonia nitrogen in water per HJ/T399-2007 and HJ535-2009. Widely used for emergency monitoring, industrial wastewater, sewage treatment and environmental monitoring....

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I. Product Overview

The handheld COD and ammonia nitrogen analyser is developed with reference to HJ/T 399-2007 《Water quality — Determination of chemical oxygen demand — Rapid digestion spectrophotometric method》. It rapidly determines COD, ammonia nitrogen in water. The instrument has a high-definition colour LCD touch screen, an Android smart operating system, a Chinese interface and a Chinese/English keyboard for user-friendly operation. Paired with a 6-position smart digester it enables rapid field testing.

II. Applications

Widely used in emergency monitoring, industrial wastewater, domestic sewage, wastewater treatment, pharmaceutical and chemical production, food and beverages, textile printing and dyeing, electroplating, paper making, petroleum and metallurgy, river remediation, research institutes and universities.

III. Key Features

1. Android smart operating system for simpler, faster operation.

2. Cloud monitoring platform: results are transmitted wirelessly to the platform for short- and long-term water quality analysis and assisted management.

3. Built-in operating procedures: simple operation, no training required.

4. Fast detection with on-site data readout.

5. Compact and lightweight for convenient field testing.

6. Small, elegant housing with stable, maintenance-free operation and excellent cost performance.

7. Imported cold light source with stable optical performance and a service life of up to 100,000 hours.

8. AC/DC operation with a built-in rechargeable lithium battery — durable and suitable for continuous indoor and outdoor work.

IV. Meter Specifications

Detection itemsCOD, ammonia nitrogen
Reference standardsHJ/T 399-2007, HJ 535-2009
COD10–150 mg/L, 20–450 mg/L, 50–1500 mg/L, 500–15,000 mg/L
Ammonia nitrogen (Nessler)0.05–7.5 mg/L, 0.2–15 mg/L, 2–50 mg/L, 4–200 mg/L
Ammonia nitrogen (salicylic acid)0.025–2.5 mg/L, 5–25 mg/L
Wavelength selectionAutomatic
Repeatability< 0.5 %
Stability< 0.5 %
Sample compatibility16 mm (round), 22 mm (round)
Colorimetric methodIntegrated digestion and colorimetric tube
Operating systemAndroid smart operating system
Display3.5-inch colour LCD touch screen
Sensitivity (absorbance)0.001
Operating environment0–50 °C, 0–90 % RH
Data storageMore than 80,000 records
CommunicationType-C, Wi-Fi, Bluetooth
PrinterOptional portable Bluetooth printer
Battery5,600 mAh lithium battery
Continuous operation8 h
Supply voltage5 V DC
Dimensions190 × 77 × 72 mm
Weight (main unit)325 g
Interface languageSimplified Chinese or English

V. Smart Digester Specifications

Digestion positions6
Heating rateRoom temperature to 165 °C within 10 min
Digestion volume0–10 mL
Temperature controlIntelligent PID
Temperature accuracy±0.5 °C
Digestion temperatureRoom temperature to 200 °C
Time setting0–999 min
Digestion wellΦ16 mm / 10 mL digestion colorimetric tube
Tube depth55 mm
Display3.5-inch colour capacitive touch screen
Power consumption400 W
Preset digestion programsCOD, total phosphorus, total nitrogen
Special functionsOne-key digestion, over-temperature protection, audible alarm, user-defined settings, countdown timer
Dimensions245 × 163 × 192 mm
Weight< 2.5 kg
Interface languageChinese / English
Ambient temperature5–40 °C
Ambient humidity≤ 85 % RH (non-condensing)
Power supplyAC (220 ± 22) V; (50 ± 0.5) Hz
The video is currently in production, please stay tuned......
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