The Berthold 38477-110 Level Evaluation Unit is an industrial monitoring system housed in a durable stainless steel enclosure with NEMA 4X and IP66 ratings, offering flame-proof protection certified for ATEX II 2GD Ex d IIC T6 IP66 T 70°C and FM/CSA Class I and II, Division 1 and 2 environments. It operates on a power supply of 95 to 250 V at 50 to 60 Hz and features a NaI 50/50 crystal scintillation counter along with a radial irradiation collimator. Designed for reliable processing, the unit includes menu-controlled calibration via a HART-communicator, automatic decay compensation, and error indication. It is built with an ambient temperature range of -40 to +50 degrees, four radial 3/4" NPT conduits, one isolated 0/4 to 20 mA analog output that is switchable between passive and active, one digital input for a hold signal, three configurable relays for alternative signals such as hold, max or min alarm, detector temperature, or radiation interference, and an independent failure relay rated for up to 250VAC or 30VDC at a maximum of 5A noninductive.
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| Manufacturer | Berthold |
|---|---|
| Country | |
| Part number | 38477-110 |
| Inner Code | 511952 |
| Custom Code | 78060010 |
| Product type | Level Evaluation Unit |
|---|---|
| Scintillation counter | crystal NaI 50/50 |
| Collimator | radial |
| Power supply | 95 - 250 V, 50 - 60 Hz |
| Ambient temp | -40 to +50 |
| Analog output | 1 (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) |
| Failure relay | 1 |
| 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 |