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Scientific Solutions ^® Inc.

LabMaster ^® DC8 Expansion Unit

LabMaster DC8 Expansion (Front View showing the Eight 3.5mm (1/8") Analog Input connections)

The LabMaster DC8 Expansion Unit is used by SandMan and other applications to provide convenient connections to eight Analog Input signals. On the front of the unit are eight 3.5mm MiniJack connectors, each connector providing an Analog Input. On the back of the unit is a DB25 connector to cable to the LabMaster SM64 multiplexor or the LabMaster DeskTop BNC unit.

The design of the unit is such that each of the Analog Inputs are automatically connected to ground when there is not a cable plugged into its MiniJack. This is a nice feature in that your unused Analog Input channels are automatically grounded which is very desirable. On other units, such as those using BNC connectors, a shorting plug is normally required to ground unused Analog Input channels.

The LabMaster DC8 is intended for Single-Ended (SE) Analog Input signals. If Differential-Input (DI) analog signals are required then you should use the LabMaster DC16 Unit instead.

Each MiniJack connector provides analog signal and ground connections compatible with either mono or stereo plugs wired with the signal on the "Tip" and the ground on the "Ring" of the connector.

This product is useful for anyone who wants convenient MiniJack style connections for Analog Input signals for their LabMaster AD, LabMaster ADEX or LabMaster PRO data acquisition system. For sleep diagnostic centers, a typical use is for the DC input signals.

For example, if you have a sleep lab using a LabMaster AD, LabMaster ADEX or LabMaster PRO and also have a LabMaster SM64 Analog Input Unit you can connect the DC8 directly into one of the four banks in the front of the SM64. The LabMaster SM64 provides for up to 64 Analog Inputs on four standard DB25 connections. The addition of the DC8 attached to one of the DB25 provides the Analog Inputs on convenient MiniJack connectors.

LabMaster SM64 with DC8 and DC16

LabMaster SM64 with a DC16 at Bank-1 and a DC8 at Bank-2 (front view)

SM64, DC8 AND DC16 (BACK VIEW)

LabMaster SM64 with a DC16 at Bank-1 and a DC8 at Bank-2 (Back view)

A 3 ft cable (DB25M to DB25F) is included with the LabMaster DC8 Unit.
DB25 Cable

The LabMaster DC8 provides the following features:

8 Analog Input connections
- Supports Single-Ended (SE) Analog Inputs

Automatically grounds unused Analog Input channels
- Eliminates floating inputs that can float to +/-15 volts

Allows easy connection to DC signals in a sleep lab
- One standard DB25 connection to the LabMaster SM64 Unit or DeskTop BNC Unit
- 3ft cable (DB25M to DB25F) included
- Convenient 3.5mm MiniJack connections for your DC inputs

Small DeskTop Unit
- Convenient small DeskTop size, only 2" high by 5.25" wide by 5.25" deep (51 mm by 134 mm by 134 mm)

Technical Specifications


Resolution	16-bit
Input Range	±10V
Channel Count	8
Analog Input Connectors	3.5mm MiniJack (1/8")
Analog Configuration	Single-Ended Inputs
Back Connection	DB25F socket
Physical Size	2" high x 5.25" wide x 5.25" deep (51mm x 134mm x 124mm)

LabMaster DC8 (back view showing DB25F connector)

Specifications subject to change without notice.

Scientific Solutions liability, trademarks, and export notices apply.

Scientific Solutions ® Inc.

LabMaster ® DC8 Expansion Unit

The LabMaster DC8 provides the following features:

Technical Specifications

Scientific Solutions ^® Inc.

LabMaster ^® DC8 Expansion Unit