HC-200NH
Field-Installation Ammonia Nitrogen Analyzer
HC-200NH Field-installation Type Ammonia Nitrogen Meter is designed for continuous, real-time monitoring of ammonia nitrogen (NH4-N) concentration in aeration tanks using an ion electrode method. It supports optimized aeration control in wastewater treatment processes by enabling precise ammonia nitrogen monitoring directly in biological reaction tanks.
Engineered for stable field operation, the HC-200NH ammonia nitrogen analyzer incorporates a sensor deterioration diagnostic function that monitors membrane resistance during measurement. This feature reduces the risk of sudden sensor failure and enhances long-term reliability.
The system includes automatic potassium ion concentration compensation, replaceable ion chips, and compatibility with ultrasonic cleaning to maintain stable performance under wastewater conditions. With an IP65 outdoor installation design and no reagent requirement, the HC-200NH provides a reliable solution for online ammonia nitrogen monitoring in wastewater treatment facilities.
Optional integration with an optical dissolved oxygen (DO) sensor enables combined NH4-N and DO measurement for advanced aeration process optimization.
Why Choose HC-200NH
Continuous online ammonia nitrogen (NH4-N) measurement using ion electrode method
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Sensor deterioration diagnostic during measurement for improved reliability
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Automatic potassium ion concentration compensation
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Replaceable ion chip design for simplified maintenance
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No measurement reagent required
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Compatible with ultrasonic cleaner for antifouling support
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Outdoor installation type with IP65 protection
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Demonstrated strong correlation with manual laboratory analysis
Key Advantages of HC-200NH
1.
Continuous NH4-N Monitoring
Provides real-time ammonia nitrogen measurement in aeration tanks to support stable process control.
2.
Built-in Sensor Diagnostic
Detects sensor deterioration during operation to reduce unexpected measurement interruptions.
3.
Stable Long-Term Performance
Improved internal solution and reference structure enable consistent measurement under wastewater conditions.
4.
Low Maintenance Design
Flat sensor surface, replaceable ion chip, and ultrasonic cleaner compatibility support easier maintenance and longer service life.
Applications of HC-200NH
Aeration Tank Control
Continuous ammonia nitrogen monitoring for optimized blower control in biological treatment processes.
Wastewater Treatment Plants
Supports energy reduction initiatives by enabling ammonia-based aeration management.
Water Recycling Processes
Used for ammonia monitoring in advanced recycling systems and process control applications.
Full-Scale Treatment Facilities
Applicable in operational wastewater plants requiring continuous NH4-N monitoring.
Technical Specifications of HC-200NH
| Product | |
|---|---|
| Product name | Field-installation type ammonia nitrogen meter |
| Model | HC-200NH |
| Measurement method | Ion electrode method (NH4-N) |
| Measurement Specifications (NH4-N / Temperature) | |
| Measurement range (NH4-N) | 0 to 1000 mg/L (display range: 0 to 2000 mg/L) |
| Measurement range (Temperature) | 0 to 40°C (display range: -10 to 110°C) |
| Display resolution (NH4-N) |
0.01 mg/L: 0.00 to 10.00 mg/L 0.1 mg/L: 0.0 to 100.0 mg/L 1 mg/L: 0 to 1000 mg/L |
| Display resolution (Temperature) | 0.1°C |
| Repeatability (NH4-N) | Larger value between 3% ±1 digit of measured value or 0.2 mg/L ±1 digit (with standard solution) |
| Repeatability (Temperature) | ±0.3°C |
| Compensation & Functions | |
| Potassium ion compensation (range) | Potassium ion concentration is not more than 10 times the ammonium ion concentration and under 1000 mg/L |
| Potassium ion compensation (error) | ±20% (measured value) |
| Additional functions |
Adjustment with manual analysis (1 point) Calibration curve input function (primary expression) |
| Self-diagnostic function | Correction error, sensor diagnostic error, transmitter malfunction |
| Transmission Output | |
| Number of outputs | 3 points |
| Output type | DC 4–20 mA, input/output insulation type |
| Maximum load resistance | 900 Ω |
| Selectable output items |
Select 3 items from below: • Ammonia nitrogen concentration (configurable within measurement range) • Dissolved oxygen concentration (configurable within measurement range) *optional sensor • Temperature reading of ammonia nitrogen meter (configurable within -10 to 110°C) • Temperature reading of dissolved oxygen meter (configurable within -10 to 110°C) *optional sensor |
| Operating Conditions & Power | |
| Operating temperature range | -20 to 55°C (do not freeze) |
| Power supply | AC 100 to 240 V, 50/60 Hz |
| Power consumption | 28 VA (max.) |
| Structure & Installation | |
| Installation type | Outdoor installation type |
| Protection class | IP65 |
| Installation method | 50A pole-mounted or wall-mounted |
| Materials | Case: aluminum alloy | Attachment bracket: SUS304 | Hood: SUS304 |
| Weight | Unit: approx. 3.5 kg | Hood & attachment bracket: approx. 1 kg |
| Compliance | CE Marking, FCC Rules |
| Sensor Unit Specifications (AM-2000) | |
| Sensor unit model | AM-2000 |
| Sensor chip models | 7691: Ammonium ion chip | 7692: Potassium ion chip (for compensation) | 7211: Reference chip |
| Sample condition | 0 to 40°C, pH 4.0 to 8.5 |
| Sodium ion condition | [Na+] : 0 to 100 times of [NH4-N] |
| Measurement depth | 10 m |
| Wetted materials | SUS316, FKM, PVC |
| Weight | Approx. 2.7 kg (including 10 m cable) |
| Optional Sensor Specifications (Optical DO Sensor: DO-2000) | |
| Measurement range (DO) | 0 to 20 mg/L (display resolution: 0.01 mg/L) |
| Measurement range (Saturation) | 0 to 200% (display resolution: 0.1%) |
| Measurement range (Temperature) | 0 to 50°C (display resolution: 0.1°C) |
| Measurement depth | 10 m |
| Wetted materials | SUS316, NBR, PVC |
| Weight | Approx. 3.0 kg (including 10 m cable) |
| Self-diagnostic function | Correction error, sensor diagnostic error, transmitter malfunction |
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Frequently Asked Questions
The HC-200NH is a field-installation type ammonia nitrogen meter designed for continuous monitoring of ammonia nitrogen (NH4-N) concentration in aeration tanks and wastewater treatment processes. It supports aeration control and process optimization in biological treatment systems.
HC-200NH uses an ion electrode method to measure ammonia nitrogen concentration. The system incorporates ammonium ion and potassium ion sensors with automatic compensation to improve measurement accuracy under wastewater conditions.
Yes. HC-200NH is designed for continuous online ammonia nitrogen monitoring in wastewater treatment facilities. It provides real-time NH4-N measurement to support aeration control and energy optimization.
No. The HC-200NH ammonia nitrogen analyzer does not require measurement reagents, which helps reduce maintenance workload and operational cost.
HC-200NH supports a measurement range of 0 to 1000 mg/L for ammonia nitrogen (NH4-N), with display range up to 2000 mg/L depending on configuration.
system includes a sensor deterioration diagnostic function that monitors membrane resistance during operation. This helps detect sensor degradation early and reduces the risk of unexpected measurement interruptions.
Yes. The HC-200NH includes automatic potassium ion concentration compensation, which helps improve measurement stability in wastewater containing varying potassium levels.
Yes. The HC-200NH features a replaceable ion chip design that allows tool-free chip replacement, simplifying maintenance and reducing downtime.
Yes. The HC-200NH is designed as a field-installation type ammonia nitrogen meter with IP65 protection, making it suitable for outdoor installation in wastewater treatment facilities.
Yes. The system can be optionally integrated with an optical dissolved oxygen (DO) sensor, allowing combined NH4-N and DO monitoring for advanced aeration control strategies.