Mass testing system C850H

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The C850H Integrated Water‑Insoluble Matter Testing System is a gravimetric analyzer designed for determination of water‑insoluble matter in chemical reagents and pharmaceutical excipients. The system automates filtration, washing, drying, cooling and high‑precision weighing to deliver traceable results for laboratory and GMP environments.

Characteristics

• Traceable data
  
  • Fully automatic gripper for rapid handling and weighing of up to 25 test cups
  • Dual‑chamber layout separating evaporation and weighing to prevent interference from high temperature and humidity
  • High‑precision electronic balance integrated into the workflow; visible through a viewing panel and designed for calibration and maintenance to ensure traceability
• Safety & compliance
  
  • Fully closed, zero‑leakage test chamber to prevent escape of harmful gases
  • Automatic filter‑residue cleaning and drainage system
  • Rapid liquid cooling system enabling room‑temperature weighing
  • Nitrogen purge cycling and independent electrical control for safer handling of hazardous samples
  • Condensation recovery system to reduce environmental impact
• Intelligent control
  
  • 12.1" medical‑grade touch screen; instrument operable standalone without a PC
  • Compact desktop mainframe to save bench space
  • Automated sequence: washing, drying, cooling and room‑temperature weighing
  • Built‑in sensors with audible and visual alerts for operator safety
  • Network port for remote control and firmware upgrades
  • Professional software supporting GMP traceability and multi‑level user access management
  • Electronic signature capability compliant with 21 CFR Part 11 (optional configuration)

Testing principle
The sample is dissolved in water; insoluble matter is filtered and washed to separate it from the main sample, then dried and weighed gravimetrically using the integrated balance to determine the residue mass.

Applications

• Basic applications
  • Chemical reagents: Determination of water‑insoluble matter in various chemical reagents
  • Pharmaceutical excipients: Determination of water‑insoluble matter in pharmaceutical excipients

Technical specifications

• Model: C850H
• Test stations: 25
• Test range (mass): 0.05 – 10,000 mg (optional range: 0.3 – 80,000 mg)
• Resolution (mass): 0.01 mg (optional 0.1 mg)
• Repeatability: ±0.05 mg (optional ±0.3 mg)
• Temperature range: Room temperature – 130 °C
• Temperature fluctuation: ±0.5 °C
• Glass filter crucible volume (standard): 100 mL (customizable)
• Glass filter crucible pore size (standard): 5 μm – 15 μm (customizable)
• Gas source: Compressed air (user supplied); gas pressure ≥ 72.5 PSI / 500 kPa
• Port size: Φ8 mm polyurethane tube
• Instrument dimensions (H x W x D): 32.6” x 43.3” x 28.7” (83 cm × 110 cm × 73 cm)
• Power supply: 120 VAC ±10% 60 Hz or 220 VAC ±10% 50 Hz (select one)
• Net weight: 440 lbs (200 kg)
• Standard configuration: Mainframe including balance (0.01 mg), electrical control module, reagent collection module, liquid cooling module, 25 glass filter crucibles, Φ8 mm polyurethane tube
• Optional parts/functions: GMP software and PC system, 21 CFR Part 11 compliance, air compressor (exhaust > 200 L/min), additional glass filter crucibles (100 mL), alternative balance (0.1 mg), calibration weight (50 g)
• Standards compliance: GB/T 9738 and relevant standards for water‑insoluble matter testing in chemical reagents and pharmaceutical excipients
• Notes: Glass filter crucible volume and pore size can be customized and may affect test range; specifications measured under Labthink laboratory conditions and subject to change.