Advanced Instruments
Advanced 4250 Single-Sample Cryoscope
High-performance freezing point cryoscope
The Advanced 4250 Single-Sample Cryoscope employs the industry-preferred freezing point method to determine the amount of added water in milk, with rapid, precise, and reliable results.
- Determination of added water in raw cow*, sheep, goat, buffalo and camel milks
- 2.0 or 2.5 mL Sample Volume
- Approximately 90 seconds Test Time in the 30-second timed mode
- Resolution of 1 m°C
- On-board printer
- Milk Analytics
- Rapid Test
- Microbiology
- Process Control
- Belgium
- Denmark
- Germany
- Netherlands
- Austria
- Sweden
Advanced 4250 – Single-Sample Cryoscope for milk analysis
The 4250 offers both the International Reference Method of Plateau Seeking (ISO/FDIS-5764/IDF 108) and standard timed plateau methods and it operates in both accepted temperature scales millidegrees Celsius (m°C) and millidegrees Horvett (m°H).
ROBUST
Frost-free cooling chamber eliminates most routine maintenance; the sample probe and stir-wire are fully accessible for easy cleaning.
DATA HANDLING
Optional barcode scanner to input the supplier ID numbers. On-board printer for better traceability, tracking and to meet your HACCP requirements and RS-232 communication capability for data transfer.
CUSTOMIZE USER EXPERIENCE
The instrument display can be switched between multiple languages.
EASE OF USE
Rapid and stable automated calibration procedure and two minute test time allows for high throughput of samples.
CRYOLINE STANDARDS
Advanced Instruments calibrators, controls and supplies meet the exacting standard required to fulfill ISO, HACCP and QA/QC laboratories.
Technical data
| Sample capacity | Single Sample |
| Sample volume | 2,0 ml or 2,5 ml |
| Units / Resolution | 1 m°C / m°H |
| Operating range | 0 - 1000 m°C / m°H |
| Measuring time | ca. 90 s in the “30-second timed mode” |
| Equipment | On-board printer, DTE |
| RS-232 Serial Port, Barcode Scanner (optional) | |
| Reproducibility | ±2 m°C / m°H (1 S.D.) |
| Drift | < 1 m°C / m°H per month |
| Temperature influences | < 1 m°C / m°H per 5°C ambient temperature change |
| Operating conditions | Temperature -40°C to +45°C (storage) / 18°C to 35°C (operation) at relative humidity from 5% to 80% |
| Voltage | 100 to 240 V AC (50/60 Hz) |
| Power consumption | 95 W |
| Size (HxWxD) | 40.6 cm x 33.0 cm x 45.7 cm |
| Weight | 12.7 kg |
Consumables
| Equipment | ||
| AI-3LA023 | 422 CRYOSCOPE CALIBRATION STANDARD 10x 10 mL | |
| AI-3LA023-FC | 422 CRYOSCOPE CALIBRATION STANDARD 50x 10x 10 mL | |
| AI-3LA033 | 621 CRYOSCOPE CALIBRATION STANDARD 10x 10 mL | |
| AI-3LA033-FC | 621 CRYOSCOPE CALIBRATION STANDARD 50x 10x 10mL | |
| AI-3LA030 | LACTROL 530 REFERENCE SOLUTION 10x 10 mL | |
| AI-3LA030-FC | LACTROL 530 REFERENCE SOLUTION 50x 10x 10 mL | |
| AI-3LA022 | 422 CRYOSCOPE CALIBRATION STANDARD 1x 110 mL | |
| AI-3LA022-FC | 422 CRYOSCOPE CALIBRATION STANDARD 126x 110 mL | |
| AI-3LA032 | 621 CRYOSCOPE CALIBRATION STANDARD 1x 110 mL | |
| AI-3LA032-FC | 621 CRYOSCOPE CALIBRATION STANDARD 126x 110 mL | |
| AI-3LA027 | LACTROL 530 REFERENCE SOLUTION 1x 110 mL | |
| AI-3LA027-FC | LACTROL 530 REFERENCE SOLUTION 126x 110 mL | |
| Disposables | ||
| AI-3DA811 | HEAT-TRANSFER FLUID 1x 150 mL | |
| AI-3DA811-FC | HEAT-TRANSFER FLUID 48x 150 mL | |
| AI-FLA835 | THERMAL PRINTER PAPER 5 PACK | |
| AI-3D2340 | DISPOSABLE AIR FILTERS 6 | |
| AI-3LA823 | SAMPLE TUBE-GLASS 2.0 mL 1x 12 | |
| AI-3LA823-FC | SAMPLE TUBE-GLASS 2.0 mL 48x 12 | |
| Accessories | ||
| AI-4255 | MODEL 4250 USER'S GUIDE | |
| AI-3255SM | MODEL 4250/3250 SERVICE MANUAL | |
| AI-RS232-CABLE | SERIAL PORT COMPUTER CABLE | |
| AI-330016 | BAR CODE SCANNER | |
| AI-3LA846 | 30 SAMPLE TUBE RACK |
Technical Service
During our business hours, our free telephone support will be glad to assist you in case of any questions. Our Technicians take care of the delivery and installation of original spare parts of the highest quality as well as certified testing, measuring, and control equipment. Our maintenance according to manufacturer specifications includes functional tests, cleaning, accuracy testing with calibration as well as a detailed report. In addition, our maintenance contracts protect your investments and reduce the total cost of ownership.
Detailed information about our support options can be found here.
Advanced Instruments is the 65-year Global leader in osmolality testing with experience in developing and manufacturing analytical instruments. With a large install base across 90+ countries in North America, EMEA and Asia Pacific, the company is serving customers in three core markets: biopharma, clinical and food & beverage. Advanced Instruments is dedicated to increasing productivity and ensuring quality in the biopharma, clinical and food & beverage industries. With a focus on innovations that anticipate and overcome customer pain points, they help their customers deliver greater drug yields, better patient care, and ensure food safety.
More about Advanced Instruments: www.aicompanies.com/
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