Issue Date: January 11, 2001
Simone Engineering, Inc.
Magnetrol Model 918 Ultrasonic Point Level Switch with ABB Automation Freelance 2000 Control System
Interstitial Detector (Liquid-Phase)
Detector
| Output Type | Qualitative, non-discriminating |
|---|---|
| Sampling Frequency | Continuous |
| Operating Principle | Electrical conductivity, ultrasonic |
Test Results
| Trichloroethylene | Acetone | Water | |
|---|---|---|---|
| Lower detection limit (in) | 0.143 | 0.166 | 0.164 |
| Detection time (sec) | <1 | <1 | <1 |
| Fall time (sec) | <1 | <1 | <1 |
Specificity Results
Evaluator claims sensors will respond to any liquid after threshold is exceeded.
Comments
The Magnetrol Model 918 has not been evaluated for application with petroleum hydrocarbons. The sensor has been evaluated specifically for application in water, acetone, and trichloroethylene.
The ABB Automation Freelance 2000 was used to detect the 8 to 16 milliamp change that occurred in the Magnetrol sensor when it became submerged in product. Audible and visual alarms were activated when the sensor indicated that alarm conditions were present.
- Simone Engineering, Inc.
2635 45th Street
Highland, IN 46322-2985
Tel: (219) 922-6750 - Evaluator: Ken Wilcox Associates
Tel: (816) 443-2494
Date of Evaluation: 01/27/00
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