4.1 Special notes on use. Ahlborn ALMEMO 2790, MA2790BTFV 32 Pages
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4. Safety instructions
4.1 Special notes on use
• If the device is brought into the work-room from a cold environment there is a risk that condensation might form on the electronics. In measuring operations involving thermocouples pronounced changes in temperature may cause substantial measuring errors. You are advised therefore, before starting to use the device, to wait until it has adjusted to the ambient temperature.
•
•
• Before using the mains adapter make sure that the mains voltage is suitable.
Be sure to observe the maximum load capacity of the sensor power supply.
Sensors with their own integrated power supply are not electrically isolated from one another (s. 9.3).
4.2 Handling batteries / rechargeable batteries correctly
When inserting batteries / rechargeable batteries ensure that the polarity is correct.
If the device will probably not be needed for a relatively long period of time or if the batteries are empty, the batteries should be removed; this will prevent battery acid leaking onto the device and damaging it.
Rechargeable batteries should be recharged as and when necessary.
You should never attempt to recharge an ordinary (non-rechargeable) battery; it may explode.
Batteries / rechargeable batteries must never be short-circuited or thrown onto the fire.
Batteries and rechargeable batteries are special waste and must not be discarded as normal domestic waste.
8 ALMEMO ® 2790
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Table of contents
- 2 1. OPERATING CONTROLS
- 5 3. GENERAL
- 5 3.1 Warranty
- 6 3.2 Standard delivery
- 6 3.3 Waste disposal
- 7 4. SAFETY INSTRUCTIONS
- 8 4.1 Special notes on use
- 8 4.2 Handling batteries / rechargeable batteries correctly
- 9 5. INTRODUCTION
- 9 5.1 Functions
- 10 5.1.1 Sensor programming
- 10 5.1.2 Process control
- 11 6. PUTTING INTO SERVICE
- 11 7. POWER SUPPLY
- 11 7.1 Operation using rechargeable batteries / batteries
- 11 7.1.1 Operation using rechargeable batteries
- 12 7.1.2 Operation using standard batteries
- 12 7.1.3 Supply voltage monitoring
- 12 7.2 Mains operation
- 13 7.3 External DC voltage supply
- 13 7.4 Sensor supply
- 13 7.5 Switching ON / OFF, reinitialization
- 13 7.6 Data buffering
- 13 8. PAIRING
- 14 9. CONNECTING SENSORS
- 14 9.1 Sensors
- 14 9.2 Measuring inputs und additional channels
- 15 9.3 Potential separation
- 16 10. DISPLAY AND KEYPAD
- 16 10.1 Display
- 17 10.2 Keypad
- 18 11. MEASURING OPERATIONS
- 18 11.1 Measured value
- 18 11.1.1 Selecting a measuring point
- 20 11.1.2 Measuring quantities and ranges
- 22 11.1.3 Dual display
- 22 11.2 Peak values memory
- 22 12. INTERFACE
- 22 13. DEVICE CONFIGURATION
- 23 13.1 Cycle
- 24 13.2 Device locking
- 24 13.3 Atmospheric pressure compensation
- 25 14. WIRELESS TRANSMISSION TO DATA LOGGER
- 25 15. TROUBLE-SHOOTING
- 27 16. ANNEX
- 27 16.1 Technical data
- 28 16.2 Product overview
- 29 16.3 Index
- 32 16.4 Your contact partners