38477-191 by Berthold

38477-191

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The Berthold 38477-191, also known as the UniProbe LB 490, is a Level Evaluation Unit designed for industrial measurement tasks. Featuring a 2000mm plastic scintillator, this unit operates on a power supply of 95 to 250 V (50 - 60 Hz). It includes menu-controlled calibration via a HART-communicator, automatic decay compensation, and error indication. The stainless steel housing comes equipped with water cooling and provides IP 66 and Nema 4X protection. Designed for demanding environments, the 38477-191 holds ATEX and FM/CSA flame proof certifications, making it suitable for hazardous locations. The unit features one isolated, passive 0/4 - 20 mA analog output switchable to active, one digital input for a hold-signal, three configurable relays for alternative signals, and one failure relay.

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Characteristics

Manufacturer Berthold
Country
Part number 38477-191
Inner Code 513386

Technical specification

Product type UniProbe LB 490 Level Evaluation Unit
Plastic scintillator length 2000 mm
Power supply 95 - 250 V, 50 - 60 Hz
Ambient temperature -40 to +50 °C
Analog output 1 x 0/4 - 20 mA, isolated, passive, switchable to active
Digital input 1 x for hold-signal
Relays rating Max. 250VAC or 30VDC at max. 5A noninductive
Relays configuration 3 relays (alternative signals: hold, max / min alarm, detector temp., rad. interference) + 1 failure relay
Conduits 4 radial 3/4" NPT
ATEX protection ATEX II 2GD Ex d IIC T6 IP66 T 70°C
FM/CSA protection Class I, Division 1&2, Groups A, B, C, D; Class II, Division 1&2, Groups E, F, G
Enclosure protection Nema 4X / IP 66
Housing material Stainless steel with water cooling
Customs tariff number 90222900

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