The Berthold 38477-170, also known as the UniProbe LB 490, is an industrial level evaluation unit featuring a 1500 mm plastic scintillator. Designed for reliable performance in demanding environments, this unit operates on a power supply of 95 to 250 V at 50 to 60 Hz and includes automatic decay compensation along with error indication. It offers menu-controlled calibration via a HART-communicator and is housed in durable stainless steel with NEMA 4X and IP66 protection ratings. The device features an isolated, passive analog output (0/4 - 20 mA) that is switchable to active, one digital input for a hold signal, three alternative signal relays, and one failure relay. Built with four radial 3/4" NPT conduits, it carries ATEX and FM/CSA flame-proof certifications for hazardous locations and functions within an ambient temperature range of -40 to +50 °C.
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| Manufacturer | Berthold |
|---|---|
| Country | |
| Part number | 38477-170 |
| Inner Code | 513383 |
| Product type | Level Evaluation Unit |
|---|---|
| Plastic scintillator length | 1500 mm |
| Power supply | 95 - 250 V, 50 - 60 Hz |
| Ambient temperature | -40 to +50 °C |
| Analog output | 0/4 - 20 mA, isolated, passive, switchable to active |
| Digital input | 1 for hold-signal |
| Relays rating | Max. 250VAC or 30VDC at max. 5A noninductive |
| Relays | 3 alternative signals (hold, max/min alarm, detector temp., rad. interference) and 1 failure relay |
| Conduits | 4 radial 3/4" NPT |
| Flame proof protection ATEX | II 2GD Ex d IIC T6 IP66 T 70°C |
| Flame proof protection FM/CSA | Class I, Division 1&2, Groups A, B, C, D; Class II, Division 1&2, Groups E, F, G |
| Protection | Nema 4X / IP 66 |
| Housing | Stainless steel |
| Customs tariff number | 90222900 |