Grant JBA5 User Manual

28 pages

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Page #3 background image

JB Academy, JB Nova and SUB Aqua Pro 31394 V7

Detailed operating manual Page 3

www.grantinstruments.com

9 Technical specifications 23

Technical tips 24

9.1 Which water should you use in your bath? 24

10 Warranty information 24

11 Maintenance and service 25

11.1 Cleaning 25

11.2 Fuses 25

11.2.1 Replacing the mains cord 25

11.2.2 Routine safety tests 25

11.3 Service 26

12 Troubleshooting 26

13 Compliance 27

13.1 WEEE directive 27

13.2 RoHS directive 27

13.3 Electrical safety and electromagnetic compatibility 27

Table of Contents

Other manuals for Grant JBA5

Service Manual23 pages

Questions and Answers:

M
Mike ChristianAug 9, 2025
Why temperature continues to rise when not expected in Grant Laboratory Equipment?
- J
  Joshua EsparzaAug 9, 2025
  If the temperature continues to rise unexpectedly in your Grant Laboratory Equipment, it may be because the set temperature is higher than the liquid temperature. Ensure the bath set temperature is correct. Alternatively, the set temperature might be too close to the ambient temperature. In this case, increase the set temperature, keeping in mind that the minimum temperature should be 5°C above ambient.
J
James SerranoAug 18, 2025
How to resolve if temperature does not rise when expected in Grant Laboratory Equipment?
- A
  Adam MackAug 18, 2025
  If the temperature in your Grant Laboratory Equipment isn't rising as expected, the set temperature might be lower than the liquid temperature. Verify that the bath set temperature is correct. Also, if the set temperature is too close to ambient, increase it, noting that the minimum temperature should be 5°C above ambient.
V
valvaradoAug 25, 2025
What to do if Grant Laboratory Equipment display shows '????'?
- L
  Lori SanchezAug 25, 2025
  If the Grant Laboratory Equipment display shows '????', it could indicate a faulty temperature probe. A competent person should check the probe for an open or short circuit fault, or contact Grant.
D
Douglas DiazAug 31, 2025
What to do if the Grant Laboratory Equipment display shows '???'?
- T
  Tyler LeonardAug 31, 2025
  If the Grant Laboratory Equipment display shows '???', it means that the bath is running on its default settings. Contact Grant Instruments' Service Department for assistance.

Grant JBA5 Specifications

General

Temperature Stability	±0.01 °C
Power Supply	230V, 50Hz
Interface	RS232
Display	Digital
Units	°C

Summary

Safety information

Safety compliance

Outlines the safety standards and compliance met by the water baths.

Safety symbols

Explains the meaning of various safety symbols used on the equipment and manual.

Safety warnings

Provides critical warnings and precautions for safe operation and handling.

Operating instructions

Unpacking instructions

Assembly of the equipment and components

Installation

Electrical supply

Operating procedures

Operation

General procedures and guidelines for operating the water bath.

Using the water bath

Using the JB Academy

Detailed instructions for operating the JB Academy model.

Using the JB Nova

Detailed instructions for operating the JB Nova model.

Using the SUB Aqua Pro

Calibration

Calibration options

Single point calibration (SPC and LPC)

Dual point calibration (LPC, HPC)

Technical specifications

Maintenance and service

Cleaning

Troubleshooting

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