Bộ dồn kênh tự động Multiplexer cáp đồng trục 50 Ohm cho TDR200/TDR100 Campbell Scientific SDM8X50

Thương hiệu: Campbell Scientific | Tình trạng: Còn hàng
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SDM8X50 8-Channel 50 Ohm Coaxial Multiplexer for TDR Systems

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Bộ dồn kênh tự động Multiplexer cáp đồng trục 50 Ohm cho TDR200/TDR100 Campbell Scientific SDM8X50

Overview

The SDM8X50 is a 50 ohm, coaxial, 8:1 multiplexer used in a TDR200- or TDR100-based system. It consists of a surge-protected multiplexer circuit board enclosed in a metal housing and a separate strain-relief bracket for the coaxial cables. Both the multiplexer housing and strain relief bracket have holes drilled at a 1 in. spacing. This allows the SDM8X50 to be mounted to a wall or attached to the backplate of a user-supplied enclosure or Campbell Scientific enclosure. When purchased with the –E option, a 10 x 12 x 4.5 in. environmental enclosure and enclosure supply kit are included. Other compatible Campbell Scientific enclosures that may be purchased separately include the ENCTDR100, ENC12/14, ENC14/16, and ENC16/18.

Benefits and Features

  • Longer lasting relays, 20x more operations than SDMX50 relays

  • Non-latching relays provide better surge protection

  • Hermetically sealed relays are more stable and do not become coated with a non-conducting film

  • Quiet operation

Specifications

Operating Temperature Range

-40° to +55°C

Multiplexer Housing Dimensions

24.9 x 12.2 x 4.6 cm (9.8 x 4.8 x 1.8 in.) with mounts

Strain Relief Bracket Dimensions

20.3 x 4.3 x 1.3 cm (8.0 x 1.7 x 0.5 in.)

Outside Dimensions

40.4 x 29.2 x 17.5 cm 15.9 x 11.5 x 6.9 in.) of enclosure with mounts

Inside Dimensions

25.4 x 30.4 x 11.4 cm (10 x 12 x 4.5 in.) of enclosure

Multiplexer Weight

590 g (1.3 lb)

Enclosure Weight

4.1 kg (9.0 lb)

Power Requirements

Input Power

12 Vdc

Quiescent Current Drain

< 1 mA

Current Drain during Switching

~ 90 mA (all multiplexers of the same level switch simultaneously for less than 1 s)

Relay Contact Life Expectancy

100 x 106 operations (at 5 V and 10 mA)

Download

Brochures

SDM8X50 8-Channel 50 Ohm Coaxial Multiplexer for TDR Systems

Time-Domain Reflectometry System (TDR200, SDM8X50, CS600-series)

Manuals

TDR100 Time Domain Reflectometry Systems

TDR200-Based Time-Domain Reflectometry System

TDR Probes CS605, CS610, CS630, CS635, CS640, CS645

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