Download 1048 User Manual - Time Electronics

2
C ontents
1.
2.
Introduc tion .................................................................................................... 3
F ront panel c ontrols and operating modes ................................................. 4
2.1.
2.2.
2.3.
3.
Operating Mode: NORMAL ............................................................................ 5
Operating Mode: STEP .................................................................................. 5
Operating Mode: RAMP ................................................................................. 5
Normal Operating Mode ................................................................................ 6
3.1.1.
3.1.2.
3.2.
3.3.
3.4.
3.5.
3.6.
3.7.
4.
Auto-power down .........................................................................................14
Battery Life ....................................................................................................14
Battery Replacement ....................................................................................14
Mains Power Supply Adapter.......................................................................14
Fuse Replacement ........................................................................................14
Maintenanc e ................................................................................................. 15
7.1.
7.2.
7.3.
7.4.
7.5.
7.6.
7.7.
7.8.
7.9.
8.
9.
Display...........................................................................................................13
Usage & Storage ...........................................................................................13
Automatic power down disable ...................................................................13
P ower S upplies ............................................................................................ 14
6.1.
6.2.
6.3.
6.4.
6.5.
7.
STEP - Manual...............................................................................................11
STEP – Automatic .........................................................................................12
RAMP .............................................................................................................12
Operating P rec autions ................................................................................. 13
5.1.
5.2.
5.3.
6.
Measure – Voltage ......................................................................................... 7
Measure – Current ......................................................................................... 8
Power and calibrate - transmitters/sensors ................................................. 8
Source – Voltage............................................................................................ 9
Source – Current............................................................................................ 9
Sink - transmitter simulator (TX SIM) ..........................................................10
Additional Operating Modes ....................................................................... 11
4.1.
4.2.
4.3.
5.
Resolution high/low ............................................................................................ 6
Output polarity switch ......................................................................................... 6
Recalibration .................................................................................................15
Dis-Assembling the Unit ..............................................................................16
Trimmer Locations .......................................................................................17
Measure Function Calibration......................................................................18
Step Mode Calibration ..................................................................................19
Current Shunt Calibration ............................................................................19
Re-Assembling the Unit ...............................................................................20
Calibration Certificates.................................................................................20
Front Panel Keypad and Connections ........................................................20
S pec ific ations ............................................................................................... 21
G uarantee & S ervic ing ................................................................................. 23
All Time Electronics' instruments are subject to continuous development and improvement and in
consequence may incorporate minor detail changes from the information contained herein.
V1.2 30/12/10
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1048 Technical Manual