Save Space, Increase Productivity
Make the most of valuable panel space by implementing or upgrading to this compact, space-saving analyzer, leaving room to install other analytics.
Achieve Low Total Cost of Ownership
Get efficient sub-ppb silica analysis using 75% less reagent than other analyzers. Monitored reagent usage allows for proactive inventory planning.
Ensure Optimal System Performance
Simplify maintenance for dependable operation with intelligent diagnostics, while accurate alarm verification boosts control room confidence.
Material No.: 30571931
Silica measurement range | 0-5000 ppb, limit of detection per ASTM Method D7126 |
Operating Range (Temp.) | 5 °C – 60 °C 41 °F – 140 °F |
Sample Flow rate | 50 – 250 mL / min |
Process Connection | Sample inlet: 6 mm or 1/4" OD tube SS compression fitting Drain hose: 19 x 25.4 mm (¾ x 1"), 2 m (6 ft) length included |
Protection Rating | IP55 |
Ingress Protection | IP55 (Enclosure) IP66 / NEMA4X (Electronics) |
Silica Measurement Accuracy | ± 5 % of reading or ± 1 ppb, whichever is greater |
Operator Interface | TFT color touchscreen Simultaneous display of silica concentration and measurement or auto-cal status |
Zero calibration | Automatic, every measurement cycle |
Analog Output | Powered 0 / 4 – 20 mA, 22 mA alarm, 500 ohm max load, not for use with externally powered circuit |
Analog Output Scaling | Linear, bi-linear, logarithmic (1,2,3,4 decades), auto ranging |
Power Supply | on power loss all settings are retained without batteries 100 – 240 VAC, 50 – 60 Hz, 100 W |
Power Supply (AC/DC) | 100 V – 240 V |
Flow Rate | 50 mL/min – 250 mL/min |
Digital Input | Remote start / stop of measurement cycle |
Measurement Parameter | Silica |
Reagent Consumption | Approx 500 mL each per 3 months with 20 min measurement cycle time |
Humidity | 10 – 90 % non-condensing |
Communication | PROFIBUS DP |
Grab Sample Measurement | 500 mL capacity |
Sample Pressure | 0.3 – 7 bar (5 – 100 psig) |
Analog Output Accuracy | ± 0.05 mA |
Measurement Cycle Time | 20 min typical Adjustable ≥ 10 min |
Weight | 18 kg (40 lbs) |
Sample Temperature | 5 – 60 °C (41 – 140 °F) |
Model Family | 2850Si |
EnclosureType | Full |
Dimensions HWD | Enclosure: 543 x 413 x 300 mm (21.4" x 16.3" x 11.8") |
Outputs | 8 Powered 0 / 4 – 20 mA |
Relay Contact(s) | 4-SPST mechanical rated at 250 VAC, 3 A 4-SPST Type Reed 250 VAC or DC, 0.5 A |
Resolution | 4 digits with decimal, autoranging 0.001 ppb in lowest range |
Built-in sequencer | No |
Ambient Operating Temperature | 10 – 50 °C (50 – 122 °F) |
Ratings/Approvals | CE, cULus |
Span calibration | once per month, typical Automatic per schedule |
Small Footprint, More Functionality
The 2850Si 1/ENC silica analyzer delivers early, trace-level silica detection in a compact, enclosed design for maximum installation flexibility. The advanced intelligent diagnostics system ensures peak performance with minimal operator supervision.
Fast and Efficient Silica Analysis
The 2850Si silica analyzer delivers accurate and reliable silica analysis with measurement updates every 10 minutes, but only uses 1/4 of the reagents compared to other silica analyzers, reducing overall reagent consumption and analyzer operating costs.
Eliminate Complexity with Intuitive UI
The 2850Si 1/ENC silica analyzer uses a built-in M800 Transmitter. The intuitive user interface guides you through quick setup and allows you to create shortcuts. Easy configuration helps meet specific display needs and simplifies training and operation.
Simplify Your Maintenance Strategy
Intelligent monitoring of reagent usage and tube/filter status enables proactive inventory and service planning. Simplify maintenance further by using METTLER TOLEDO expert services to ensure optimal performance throughout the life of the analyzer.
Better Manage Your Water Chemistry
The 2850Si 1/ENC Analyzer comes with 10+ different internal diagnostics and flexible communication options to leverage key outputs as part of our verified water chemistry technology that enables smart alarms.