Time-electronics 1090 Portable Process Calibrator Uživatelský manuál

V1.2 07/01/11 Time Electronics Ltd Botany Industrial Estate, Tonbridge, Kent, TN9 1RH Tel: +44(0)1732 355993 Fax: +44(0)1732 770312 Email: mail@T

10 1090 Technical Manual Page | 10 Recalling values To recall the stored values the unit must be in ’SOURCE’ mode. 1. Press ‘RECALL’, the display

11 1090 Technical Manual Page | 11 3.12. Inching (Increment/Decrement) The unit has a general purpose inching function. This adjusts the output in

12 1090 Technical Manual Page | 12 Inching (Incrementing/Decrementing) - arrow keys This function sets the step size used by the Up/Down arrow keys

13 1090 Technical Manual Page | 13 4. Maintenance 4.1. Battery Life and Replacement The 1090 is powered from an internal metal hydride battery pa

14 1090 Technical Manual Page | 14 5. Specifications MEASURE ACCURACY (0.1 deg C/F resolution) THERMOCOUPLE TYPE TEMPERATURE RANGE deg C ACCU

15 1090 Technical Manual Page | 15 SIMULATE ACCURACY (0.1 deg C/F resolution) THERMOCOUPLE TYPE TEMPERATURE RANGE deg C ACCURACY Deg C J -210

16 1090 Technical Manual Page | 16 Millivolt Source 0 to +/- 80mV Accuracy 0.02% of f.s. (16uV) Resolution 5uV Output resistance 10 oh

17 1090 Technical Manual Page | 17 General Specifications Cold Junction Compensation Resolution: 0.1degC or 0.2degF. Accuracy: 0.1degC/0.2degF

18 1090 Technical Manual Page | 18 6. 1090 Calibration Procedure Calibration MENU 6 ENTER, enters calibration mode The unit prompts for a pass

19 1090 Technical Manual Page | 19 If the PRT/Current board is fitted and requires calibration, this must be done after the voltage steps 1-6 above

2 1090 Technical Manual Page | 2 Contents 1. General ...

20 1090 Technical Manual Page | 20 7. Guarantee & S ervicing Guarantee Period This unit is guaranteed against defects in materials and workman

3 1090 Technical Manual Page | 3 1. General The 1090 is a high performance instrument designed for use in both the lab and field. It simulates and

4 1090 Technical Manual Page | 4 2. Front Panel Controls Keypad Primary and Secondary functions Most of the 1090’s keys are du

5 1090 Technical Manual Page | 5 Secondary functions are shown in [ ] A 4mm Output Terminals B 4mm Input Terminals C Chassis earth connection D

6 1090 Technical Manual Page | 6 3. Operating Ins truction 3.1. Turning the unit On/Off To Turn On The unit is powered up by pressing and holding

7 1090 Technical Manual Page | 7 3.3. Thermocouple Source Select Source mode by pressing ‘SHIFT’ followed immediately by ‘SOURCE’ key. The display

8 1090 Technical Manual Page | 8 3.5. RTD (PRT) Source Select the PRT mode by pressing the SHIFT’ key immediately followed by ‘PRT’ Meas Pt Ov

9 1090 Technical Manual Page | 9 3.9. mA Source and 24V Process Loop Drive To select Source mode press ‘SHIFT’ followed immediately by ‘Source’