![](/html/a5/a5f6/a5f6dac61466b173e9a6ed748a60b25a73d11aacf21d3b10b2a69348bb0a87dc/bg1.png)
Time Electronics
1051
Decade Resistance Box
Technical Manual
V1.1a 04/04/11 Time Electronics Ltd
Botany Industrial Estate, Tonbridge, Kent, TN9 1RH
Tel: +44(0)1732 355993 Fax: +44(0)1732 770 312
Email: mail@TimeElectronics.co.uk
Web Site: www.TimeElectronics.com
![](/html/a5/a5f6/a5f6dac61466b173e9a6ed748a60b25a73d11aacf21d3b10b2a69348bb0a87dc/bg2.png)
1
C ontents
1. S pecifications ................................................................................................... 2
2. Operation of the 1051 ...................................................................................... 3
3. Controls ............................................................................................................ 4
4. Maintenance and Repair .................................................................................. 5
5. Guarantee & S ervicing ..................................................................................... 6
Manuel Technique (Francais ) ................................................................................. 7
Technisches Handbuch (Deutsch) ....................................................................... 11
Manual Técnico (Italiano) ..................................................................................... 15
All Time Electronics' instruments are subject to continuous development and
improvement and in consequence may incorporate minor detail changes from the
information contained herein.
1051 Technical Manual
1
![](/html/a5/a5f6/a5f6dac61466b173e9a6ed748a60b25a73d11aacf21d3b10b2a69348bb0a87dc/bg3.png)
2
1. S pecifications
Resistance Range: 0.01Ω to 1MΩ in 0.01Ω steps
RANGE
SPEC.
MAX
CURRENT
Zero Residual Resistance: less than 90 mΩ
Residual Resistance Stability: less than 3 mΩ
Maximum Voltage: 250V DC
Power Rating: 1 watt per resistor
Temperature Coefficient: 50 ppm / º C
Connections: 4 mm terminals. A third terminal is to enable the case to be
Dimensions:
(215 x 100 x 120mm including protective boot).
Weight: 0.6 kg (1.0 kg incl. protective boot)
Optional Extras: A carrying case is available for field and industrial applications.
0.01Ω 0.1Ω 1Ω 10Ω 100Ω 1kΩ 10kΩ 100kΩ
10% 5% 1% 0.5% 0.1% 0.1% 0.1% 0.1%
1A 1A 1A 0.3A 0.1A 33mA 10mA 3mA
earthed or connected to either output.
W200 x H75 x D110mm
Ordering Information:
Code
1051
9026
9161
9114
Description
Low Ohm Resistance Box
Leatherette Carry Case
Factory (NPL Traceable) Calibration Certificate
UKAS Calibration Certificate (ISO 1702 5)
1051 Technical Manual
2