9811 Technical Specifications

INTERFACE

Interface Type:

IEEE488/GPIB/IEC/HPIB

Device Address:

rear panel switch 0 - 31

Bus Connection:

standard 24 pin IEEE488

Bus Isolation:

outputs are isolated from the bus up to 350V AC/DC

RESISTANCE SPECIFICATIONS

Range:

0 to 1 M

Ω

Output:

12 rear panel terminals dividing the total resistance into 6 sections –

0 – 9

Ω

in

1

Ω steps

0 – 90

Ω

in

10

Ω steps

0 – 900

Ω

in

100

Ω steps

0 – 9K

Ω

in

1K

Ω steps

0 – 90K

Ω

in

10K

Ωsteps

0 –900K

Ω

in

100K

Ω steps

Resolution:

1

Ω

Residual Resistance:

5 m

Ω per decade

Accuracy:

1

Ω decade ± 0.5%; 10Ω decade ± 0.05%; all other decades ± 0.01%

Temp Coefficient:

less than 50 ppm per ºC

Power Rating:

0.3 Watt per resistor

Maximum Current:

1 Amp subject to resistor power limitations

Maximum Voltage:

250 V

Operation Time:

< 5ms

Thermal EMF’s:

less than 2 microvolts. Internal EMF’s have been kept to a minimum

using special techniques.

Contacts:

Special attention has been given to the problem of reliability, hence

double pole gold contacts have been used throughout.

General Specification

Power:

110 V/220 V/240 V AC 50/60 Hz. 30 watt consumption

Operating Temperature:

0-45 ºC

Dimensions:

480 x 240 x 130 mm Rack Mount Version

494 x 374 x 154 mm Bench Version

Weight:

5.5 kg Rack Mount Version

10 kg Bench Version

Optional Extras:

Bench Case

N.P.L. Traceable Calibration Certificate

UKAS Calibration Certificate

Ordering Information

Code

Description

9811

Programmable Resistance (1

Ω – 1MΩ)

9047

Bench Case

9163

N.P.L. Traceable Calibration Certificate

9120

UKAS Calibration Certificate

Due to continuous development Time Electronics reserves the right to change specifications without prior notice.

Time Electronics, Botany Industrial Est. Tonbridge, Kent. England. TN9 1RH.

Tel: +44 (0)1732 355993 Fax: +44 (0)1732 770312 E-mail: mail@timeelectronics.co.uk

www.timeelectronics.co.uk

V1a 01/01/07

V1a 01/01/07