Group: Berthold
Catalog excerpts
C O N T R O L Mini-Switch LB 471 P R O C E S S Level Switch
Open the catalog to page 1The BERTHOLD level switch is used in all branch- es of industry, including the food industry. This measurement system is applicable where one or more alarm levels of liquids or bulk solids have to be monitored. In fact, the BERTHOLD level switch is suitable for installation on all types of vessels or bunkers like storage tanks, hot-storage bunkers, vessels with agitators, high-pressure reactors, cy- clones or feeder chutes. The operation of the measuring system is based on the application of the radiometric measuring principle, i.e. the physical law of absorption of gamma radiation as it...
Open the catalog to page 21 Evaluation Unit LB 471 1 5 3 two line Display, illuminated easy data input using arrow keys 5 4 3 LED’s for status control 4 3 space saving, width only 4TE (0.8") 2 2 easy calibration with the pushbutton "Cal" 6 easily toggle to the measuring reading with the pushbutton "Clear" 6 GM-Detector Especially for fluids with smooth surface, the GM Detector hits the spot. It is also applicable for bulk material. For easy applications, it is the most cost-efficient alternative solution. For fast switching of 1,5 to 5s, or in order to reduce the source activity, the GM Detector is available with...
Open the catalog to page 3In order to reduce the time for commissioning, the menu "Standard-Mode " is available. It limits itself to the parameters for standard applications and offers ■ automatic calculation of full count rate and time constant ■ calibration error indication by diagnostic routine ■ permanent error diagnostic If you want to use additional functions, then you can switch to the "Professional Mode" any time and without interruption. The "Professional Mode" offers: ■ alternatively manual data entry for otherwise automatic calculated parameters ■ automatic compensation of the empty count rate for gas...
Open the catalog to page 4■ compact design for a 19" rack (3HE; 4TE) ■ permanent self-monitoring by „ watch dog timer" ■ intrinsically safe detector connection (option) The diversity of applicable detectors results in the optimum solution for every Apply a GM Detector with counter tube for vessels: ■ with diameter between approx. 1 to 5m ■ with typical wall thicknesses up to approx. 20mm Apply a Nal Detector instead of a GM Detector: ■ to reduce the necessary source activity ■ to keep the size of the shielding small ■ for bulk cone measurements ■ for high gas density in the vessel Super-Sens _ ) relative...
Open the catalog to page 5Evaluation Unit LB 4710 Types LB 4710-0XX for GM Detector LB 4710-1XX for NaI Det. or Super-Sens Arrangements - In a 19" rack 3HE, 4TE, IP20 max. 19 modules for 24V max. 18 modules for 115/230V - In a Cassette 3HE, 7TE, IP 20 for any 19" rack - In a wall mounted housing, IP 66 max. 3 modules Power supply 18-30V DC or 24V AC +10% -15% option: 115/230V AC transformer +10% / -15%, 47-65Hz Power consumption max. 4W per module Operating temp. -30 ... +60°C (243 ... 333 K) Storage temp -40 ... + 70°C (233 ... 343 K) keep dry! Weight GM Detectors Types SZ5-GHS-3171-1/2: with Ex-proof GHS-3172-1/2:...
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