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Product Overview
The HM Instruments HM-DT1 Benchtop Total Organic Carbon Analyzer provides dedicated laboratory and testing support for critical high-purity water quality verification across the pharmaceutical manufacturing, semiconductor fabrication, and precision power generation industries. Conforming strictly to international pharmacopoeial standards including ChP 2025 General Chapter 0682, USP <643>, and EP 2.2.44, the instrument ensures rigorous compliance for purified water (PW), Water for Injection (WFI), and cleaning validation rinse samples.
By integrating photochemical oxidation with real-time differential conductivity measurement, the HM-DT1 eliminates the sample combustion hazards, high consumable costs, and carrier gas dependencies typical of traditional combustion-based analyzers. Its three-tier user access control and immutable audit trails provide pharmaceutical QA/QC laboratories and contract testing organizations with defensible, audit-ready data verification.
Key Features
- Dual-Wavelength UV Photochemical Oxidation: Employs 185 nm and 254 nm ultraviolet radiation to achieve thorough organic mineralization with oxidation efficiency >99%, eliminating the need for chemical oxidants and carrier gases.
- Differential Conductivity Detection: Proprietary differential conductivity sensor system provides automatic temperature compensation (1-70°C), real-time baseline correction, and background subtraction, effectively eliminating inorganic carbon (IC) and ionic interference.
- High Sensitivity & Wide Range: Covers a measuring range of 0.001 to 1.600 mg/L (1 to 1600 ppb) with a detection limit ≤0.001 mg/L, relative error within ±5% or ±0.005 mg/L, and repeatability RSD ≤2.0%.
- Android 10 Embedded Touchscreen Platform: Features an intuitive 7-inch full-color capacitive touchscreen interface for streamlined instrument control, visual calibration curves (R² ≥0.999), and diagnostic status reporting.
- Flexible Detection Modes: Supports offline single-test, online continuous monitoring, and scheduled interval sampling, completing individual testing cycles in under 12 minutes.
- GLP/GMP Data Integrity & Audit Trail: Enforces three-tier user access control (Administrator, Operator, Observer) with complete chronological audit trail logging compliant with FDA 21 CFR Part 11 requirements.
- Comprehensive Connectivity & Printing: Integrated high-speed thermal report printer, Wi-Fi (2.4G/5G) for enterprise LIMS synchronization, Gigabit Ethernet (RJ45), and USB Host supporting PDF, CSV, and Excel report export.
- Low Total Cost of Ownership: Long-life UV lamp (≥8,000 h) and consumable-free permanent quartz reactor reduce average annual operational expenses by more than 60% compared to catalytic combustion analyzers.
Applications
The HM-DT1 is applied across high-purity water systems requiring continuous quality assurance and regulatory traceability:
- Pharmaceutical Industry: Continuous quality monitoring and batch release testing of purified water (PW) and Water for Injection (WFI) loops, compliant with ChP 2025, USP <643>, and EP 2.2.44.
- Microelectronics & Semiconductor Manufacturing: Sub-ppb ultrapure water (UPW) loop monitoring for wafer cleaning and rinse bath purity control.
- Power Generation & Heavy Industry: Continuous TOC control of nuclear power primary/secondary loops and ultra-high-pressure boiler feedwater to prevent organic acid turbine corrosion.
- Analytical & Research Laboratories: Routine water quality verification, environmental baseline studies, and high-purity solvent blank screening.
Technical Specifications
| Parameter | Specification |
|---|---|
| Analytical Principle | Differential conductivity method with UV photochemical oxidation |
| UV Oxidation Source | Dual-wavelength ultraviolet lamp (185 nm & 254 nm) |
| Measuring Range | 0.001 ~ 1.600 mg/L (1 ~ 1600 ppb) |
| Detection Limit | ≤ 0.001 mg/L |
| Relative Error (RE) | ±5% or ±0.005 mg/L (whichever is greater; 0.01~1.0 mg/L standard) |
| Repeatability (RSD) | ≤ 2.0% (0.1 mg/L standard solution) |
| Linearity & Calibration | Within 0 ~ 1.6 mg/L range, R² ≥ 0.999 |
| Response Time | < 12 min (from sample introduction to stable reading) |
| Sample Temperature Adaptability | 1 ~ 70 °C |
| Internal Data Storage | ≥ 100,000 complete test records and curves with audit trail |
| User Access Control | Three-level user permission management (Administrator, Operator, Observer) |
| Core Component Lifespan | UV lamp ≥ 8,000 h; permanent quartz reactor (no consumables) |
| Data Interface & Connectivity | Built-in thermal printer, Wi-Fi (2.4G/5G), RJ45 Gigabit Ethernet, USB Host |
| Data Export Formats | PDF, CSV, Excel |
| Operating Environment | 10 ~ 40 °C, ≤ 85% RH (non-condensing) |
| Power Supply | AC 100 ~ 240 V, 50/60 Hz |
| Power Consumption | Rated power ≤ 50 W, standby power < 10 W |
| Dimensions | 350 mm (L) × 250 mm (W) × 350 mm (H) |
| Net Weight | Approx. 3 kg |
Configuration / Accessories
- HM Instruments HM-DT1 Benchtop Total Organic Carbon Analyzer main unit
- Fluidic inlet and outlet tubing set with quick-connect fittings
- Sample testing cups and dedicated sample introduction kit
- Standard universal AC power cable (100-240 V)
- High-sensitivity thermal printing paper rolls
- Product operation manual and factory qualification certificate
Related Models
HM Instruments provides two complementary TOC analyzer models designed for distinct operational workflows:
- HM-DT1 (Benchtop Offline Version): Features an integrated 7-inch Android 10 touchscreen, lightweight form factor (3 kg), and comprehensive GLP/GMP audit trails, optimal for quality control laboratories, grab sample testing, and cleaning validation verification.
- HM-DT2 (Online Process Monitoring Version): Features a rugged industrial metal enclosure, multi-unit computer port cluster networking, continuous online water monitoring, and standard RS232/RS485/4-20mA telemetry outputs, ideal for automated water treatment distribution loops.
Operation and Support
The HM-DT1 analyzer offers streamlined, intuitive operation:
- Sample Connection: Connect the sample line to the front-panel fluidic IN/OUT quick-connect ports or introduce grab samples via the sample cup assembly.
- Testing Execution: Select the desired testing mode (Offline single-test, Online continuous, or Scheduled interval) on the 7-inch color touchscreen; the analyzer automatically regulates baseline correction and executes UV photochemical oxidation within 12 minutes.
- Reporting and Traceability: Review graphical results on-screen, print signed documentation directly using the integrated thermal printer, or export PDF/CSV data via USB to laboratory LIMS systems.
- Routine Maintenance: Utilize the one-touch automated cleaning and self-diagnostic routine to maintain optical and fluidic performance without disassembling internal hardware.
Product Enquiries
Contact our sales representative for product enquiries, configuration information and coordination of service requests.
Sales Contact: Grace
Email: graceliu@hmdzkj.cn
Tel / WhatsApp / WeChat: +86 17853698681
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