The Model 970-C Sugar Consistency Monitor reliably measures massecuite consistency in sugar vacuum pans, providing a continuous indication of this important variable in pan operation over all ranges encountered in high- or low-grade sugar boiling.
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Ziegler Associates - Model 970-C -Sugar Consistency Monitor
The Model 970-C Sugar Consistency Monitor is designed for precise measurement of massecuite consistency in sugar vacuum pans. It provides continuous monitoring of consistency levels across all ranges encountered in both high-grade and low-grade sugar boiling operations. This instrument serves as a valuable tool for both experienced operators and those in training, enabling consistent production quality by maintaining optimal processing conditions. The monitor features zero and span adjustments to enhance readability in critical viscosity or consistency ranges, and it can be used to measure concentration in various applications such as sugar melters, evaporator syrups, and molasses dilution tanks. The 970-C also finds use in measuring concentrations in slurries like milk of lime, evaporated whey, distillery slops, and fruit or vegetable products. Its specifications include a stainless steel sensor, a wide dynamic range, low maintenance, high accuracy, and robustness. The sensor is installed in the side of a vacuum pan, positioned to measure freely moving samples of massecuite without obstruction. The device includes a 3.5-digit LCD display, provides a 4-20mA output, and can operate in ambient temperatures ranging from 0-50C. Both NEMA 1 and NEMA 4X enclosures are available for different mounting preferences, and it operates on standard 115 or 230 VAC power.Most popular related searches
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- Wide dynamic range
- Simple installation
- Linear-isolated output
- Stainless steel sensor
- Designed for durability
- High accuracy and reliability
- Low maintenance
- Field-serviceable
- One-year limited warranty
The 970-C Consistency Monitor is a convenient guide for experienced operators and an invaluable tool for training new sugar boilers. Since optimal consistency varies by pan, operators can experiment to find the ideal level for a particular pan. Using the 970-C monitor to maintain this level, boilers can avoid excessively "tight" massecuites and therefore avoid poor pan circulation. Likewise, operators can pinpoint an optimum dropping consistency that produces high crystal yield without unduly long discharging time. The zero and span adjustments expand readability in critical viscosity or consistency ranges.
The narrow viscosity range is useful in measuring concentration in sugar melters, evaporator syrups and molasses dilution tanks, and even slurries such as milk of lime where density is a troublesome measurement and can introduce serious time lags into control loops. It can also measure the concentration of evaporated whey, distillery slops, fruit and vegetables or tomato products.
Sensor
Type: Insertion Probe
Rotor Size: 1.75 inches
Wetted Parts: 316 Stainless Steel, High Temperature Plastic
Process Temperature: 0-125C (32-250F)
Pressure: 0-30 psia
Water Supply: <0.5 gallons per hour at 10 psi above process
Mounting: 2 inch NPT male
Wiring: #22 AWG or larger, 2-conductor
Diameter: 1.75 inches
Length: 24 inches
Junction Box: 6 inches x 6 inches x 6 inches
Transmitter
Display: 3.5 digit LCD (0-199.9 scale)
Range: 2-200,000 cP
Input: Model 970-C Sensor
Output: 4-20mA into 600 ohms max. isolated; other outputs available
Resolution: 0.05% of Full Scale
Repeatability: 0.5% of Full Scale
Ambient Temperature: 0-50C (32-120F)
Enclosure: NEMA 1 (standard) or NEMA 4X (optional)
Dimensions: NEMA1: 11 inches wide x 6 inches high x 4 inches deep NEMA4X: 11.875 inches wide x 7.25 inches high x 6.75 inches deep
Mounting: Panel or wall mount (NEMA 1) Wall or pipe mount (NEMA 4X)
Power: 115 or 230 VAC @ 50/60 Hz, 25 Watts
Shipping Weight (complete unit): 20-25 pounds, depending on options
Normal probe location is in the side of a vacuum pan so the rotor is about midway between the lower tube sheet of the calandria and the pan bottom. Preferred mounting is shown in position A with a slight downward angle so that the rotor will be in an area of good massecuite circulation, although horizontal mounting as shown in position B is satisfactory. On some pans, it may be necessary to install through the pan bottom to get the rotor in a good free area as shown in position C. However, the mounting angle should not be over 75 degrees from horizontal as there is danger of purge water leaking into the motor bearings. The rotor should be located between syrup feed inlets and away from any obstruction, so that it will measure a freely moving sample of average massecuite.