1. Manuals
  2. Brands
  3. Vitrolife Manuals
  4. Measuring Instruments
  5. Log & Guard B:safe
  6. User manual

Vitrolife Log & Guard B:safe User Manual

Monitoring trolley for cryostorage
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Log & Guard™ B:safe
Monitoring trolley for cryostorage
User manual
Log & Guard B:safe
User manual, first issue 2021.03.01/International/English

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Log & Guard B:safe and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Vitrolife Log & Guard B:safe

Summary of Contents for Vitrolife Log & Guard B:safe

  • Page 1 Log & Guard™ B:safe Monitoring trolley for cryostorage User manual Log & Guard B:safe User manual, first issue 2021.03.01/International/English...

  • Page 2: Table Of Contents

    Log & Guard B:safe Table of contents Introduction ..........................4 Limitation of liability ......................4 Overview of the Log & Guard B:safe monitoring trolley ............. 5 Specifications of the Log & Guard B:safe monitoring trolley ..........5 Unpacking and installation of the Log & Guard B:safe monitoring trolley ......7 2.2.1 Unpacking the Log &...
  • Page 3 B:safe monitoring trolley ....................49 Symbols and labels ......................53 Disposal of waste ......................... 53 Contact information ......................54 Log & Guard is a registered trademark belonging to the Vitrolife Group. ©2021 Vitrolife A/S. All rights reserved. - 3 -...

  • Page 4: Introduction

    It is the sole responsibility of the clinic to ensure that cryopreserved material is kept safe at all times, e.g. by having more than one safety system in place. Vitrolife assumes no liability for any loss of or damage to cryopreserved material contained in storage tanks monitored by the Log &...

  • Page 5: Overview Of The Log & Guard B:safe Monitoring Trolley

    Log & Guard B:safe 2 Overview of the Log & Guard B:safe monitoring trolley Figure 1: Log & Guard B:safe monitoring trolley with storage tank. Specifications of the Log & Guard B:safe monitoring trolley Figure 2: Log & Guard B:safe monitoring trolley: Plate with surface temperature sensor, holding rods, bearing parts, skirt with access to alarm socket and battery case, and wheels.
  • Page 6 Log & Guard B:safe Table 1: Specifications of the Log & Guard B:safe monitoring trolley Reference number 14840/0213 Monitoring trolley Ø 70 cm, H: 16 cm, weight: 20 kg Holding rods: Ø 2 cm, H: 8 cm, for storage tanks with an outer diameter of 451 to 508 mm (most tanks with a volume between 25 and 60 litres) Five wheels Batteries...

  • Page 7: Unpacking And Installation Of The Log & Guard B:safe Monitoring Trolley

    Log & Guard B:safe Do not step on the monitoring trolley. Do not lean on the monitoring trolley or tank. The monitoring trolley must only be used with all five holding rods installed correctly. Two persons must handle the storage tank when positioning it on or removing it from the monitoring trolley.

  • Page 8: Integration Into The Log & Guard Software

    2.2.2 Integration into the Log & Guard software For sensor channel integration into the Log & Guard software, please provide the MAC address printed on the label on the skirt of the Log & Guard B:safe monitoring trolley to Vitrolife support. - 8 -...

  • Page 9: Assembly Of Log & Guard B:safe Components

    Log & Guard B:safe 2.2.3 Assembly of Log & Guard B:safe components Installing the surface temperature sensor Figure 5: Surface temperature sensor mounted on the underside of the trolley during shipment. Remove the surface temperature sensor from the underside of the trolley. Flip the trolley onto its back and place it upside down on the edge of a table (Figure 6).
  • Page 10 Log & Guard B:safe Figure 7: Log & Guard B:safe monitoring trolley on its side for removal and mounting of the surface temperature sensor. Mount the surface temperature sensor from the underside of the trolley as shown (Figure 8). Figure 8: Surface temperature sensor being fixed to the trolley from below. - 10 -...
  • Page 11 Log & Guard B:safe Figure 9: Surface temperature sensor and parts assembled. Move the holder of the surface temperature sensor in non-contact position towards the edge of the monitoring trolley and lock it there using the red hook (Figure 10A). To place the surface temperature sensor in measuring position, lift the red hook to release the holder and check that the sensor tip is in contact with the tank surface (Figure 10B).
  • Page 12 Log & Guard B:safe Installing the holding rods The Log & Guard B:safe monitoring trolley has five holding rods for securing the storage tank placed on top of it. The holding rods can be adjusted to fit tanks with a diameter from 451 to 508 Danger of accident and injury.
  • Page 13 Log & Guard B:safe Figure 12: A. Log & Guard B:safe monitoring trolley with holding rods and covers before installation. B. Holes for installation of the holding rods for storage tanks with a diameter of 451 to 508 mm. Figure 13: Screw with stud. All holding rods must be installed in the same hole position (counted from the outermost to the innermost hole in each set of holes in the surface plate of the monitoring trolley).

  • Page 14: Installation Of The Optional Low Temperature Sensor And Alarm Contact

    Log & Guard B:safe Inserting or changing the batteries The battery case is behind the cover plate bearing the Vitrolife logo (Figure 14). Unscrew the two screws of the cover plate completely to remove the plate (keep the screws and the plate).

  • Page 15: Getting Started - Operation Of The Log & Guard B:safe Monitoring Trolley

    Log & Guard B:safe 3 Getting started – operation of the Log & Guard B:safe monitoring trolley The monitoring of a storage tank using the Log & Guard B:safe monitoring trolley can be started at any time. Read this section carefully before starting the operation of a newly installed Log & Guard B:safe monitoring trolley.
  • Page 16 Log & Guard B:safe Figure 16: Tare button and LED. The subsequent weight loss caused by the evaporation of liquid nitrogen over time will be displayed and recorded as a negative weight measured from the zero starting point. Refill the storage tank at regular intervals according to the internal operating procedures as done before you started using the Log &...

  • Page 17: Display Of Sensor Data And Sensor Channels

    Log & Guard B:safe 4 Display of sensor data and sensor channels Display of sensor data of the Log & Guard B:safe monitoring trolley: overview page On the overview page of the Log & Guard web interface, connected sensors are displayed (and grouped) according to the measured subject, e.g.

  • Page 18: Display Of Sensor Channels Of The Log & Guard B:safe Monitoring Trolley: Detailed Channel View

    Log & Guard B:safe Display of sensor channels of the Log & Guard B:safe monitoring trolley: detailed channel view pages Figure 18: Detailed channel view of the weight sensor channel (CW) of the Log & Guard B:safe monitoring trolley. - 18 -...
  • Page 19 Log & Guard B:safe Figure 19: Detailed channel view of the surface temperature sensor channel of the Log & Guard B:safe monitoring trolley. - 19 -...
  • Page 20 Log & Guard B:safe Figure 20: Detailed channel view of the surface temperature difference channel of the Log & Guard B:safe monitoring trolley. - 20 -...
  • Page 21 Log & Guard B:safe Figure 21: Detailed channel view of the calculated relative evaporation channel (CWR) of the Log & Guard B:safe monitoring trolley. - 21 -...

  • Page 22: Configuration And Calibration Of Sensor Channels

    Log & Guard B:safe 5 Configuration and calibration of sensor channels Configuration of the sensor channels of the Log & Guard B:safe monitoring trolley Channel configuration and calibration of all Log & Guard sensors are password-protected actions within the configuration area. 5.1.1 Access to the configuration area Log in to the configuration area in one of the following ways: •...

  • Page 23: Configuration Of The Weight Sensor Channel Of The Log & Guard B:safe Monitoring Trolley

    Log & Guard B:safe Configuration of the weight sensor channel of the Log & Guard B:safe monitoring trolley Figure 22: Configuration page for the weight sensor channel of the Log & Guard B:safe monitoring trolley. Table 2: Options on the configuration page for the weight sensor channel of the Log & Guard B:safe monitoring trolley Significance Default/recommended...
  • Page 24 Log & Guard B:safe Significance Default/recommended Important information value alarm options Select the check boxes to activate alerting via the selected devices (led, lcd, horn, sms and/or relais1- delay time Specify the delay time in Measured in multiples of seconds. The time starts to the measurement interval.
  • Page 25 Log & Guard B:safe Significance Default/recommended Important information value lower alarm Lower weight limit. Total volume [litres] of the Negative value! The weight threshold storage tank * 0.807 kg / 2 will decrease by 0.807 kg Values below the threshold per litre of liquid nitrogen.
  • Page 26 Log & Guard B:safe Significance Default/recommended Important information value measurement Time interval in seconds 900 seconds = 15 minutes Shorter intervals will interval between two data points. reduce the battery life and When the measurement may have a negative interval is changed, the impact on wireless graphical display of logged communication.

  • Page 27: Single-Point Calibration Of The Weight Sensor Channel Of The Log & Guard B:safe Monitoring Trolley

    In normal circumstances, the factory calibration is sufficient, and this calibration is only recommended in special circumstances. Contact Vitrolife support if you have any questions. Figure 23: Access to the tare button of the Log & Guard B:safe monitoring trolley. To open, loosen the right screw and swing away the cover plate.
  • Page 28 Log & Guard B:safe Click the Single Point Calibration link below the graph. Enter the user name and password. • Default user name: confadmin • Default password: octax Wait for several measurement intervals to verify that the measured weight value is stable and close to zero (Figure 24).

  • Page 29: Configuration Of The Surface Temperature Sensor Channel Of The Log & Guard B:safe Monitoring Trolley

    Log & Guard B:safe The offset will be displayed immediately after single-point calibration, and the measurement value will not be updated. The offset will not be active until after the next measurement. Depending on the measurement interval of the Log & Guard channel, this may take some minutes. Discarding the offset Perform steps 1-5 above.
  • Page 30 Log & Guard B:safe Figure 26: Detailed channel view of the surface temperature sensor channel of the Log & Guard B:safe monitoring trolley over the course of a week. - 30 -...
  • Page 31 Log & Guard B:safe Figure 27: Configuration page for the surface temperature sensor channel of the Log & Guard B:safe monitoring trolley. Table 3: Options on the configuration page for the surface temperature sensor channel of the Log & Guard B:safe monitoring trolley Significance Default/recommended Important information...
  • Page 32 Log & Guard B:safe Significance Default/recommended Important information value delay time Specify the delay time in Measured in multiples of seconds. The time starts to the measurement interval. count down when the Log & Guard system detects an alert situation. An alert will be triggered after the delay time if the alert situation is still detected.
  • Page 33 Log & Guard B:safe Significance Default/recommended Important information value upper alarm Upper surface temperature threshold limit. Values above the threshold will trigger an alert (if activated, see above). alarm The time starts to count 900 seconds = 15 minutes interruption down after an alert is time suspended.
  • Page 34 Log & Guard B:safe Significance Default/recommended Important information value sample as fast A measurement is Remember to deselect the as possible performed every 1-3 check box to return to the seconds (or longer), regular measurement depending on the load of interval.

  • Page 35: Single-Point Calibration Of The Surface Temperature Sensor Channel Of The Log & Guard B:safe Monitoring Trolley

    Log & Guard B:safe Single-point calibration of the surface temperature sensor channel of the Log & Guard B:safe monitoring trolley During single-point calibration, the Log & Guard system compares the actual value measured by the Log & Guard B:safe monitoring trolley’s surface temperature sensor to an externally measured nominal value.
  • Page 36 Log & Guard B:safe 3. Open the detailed channel page of the surface temperature sensor channel to be calibrated. 4. Click the Single Point Calibration link below the graph. 5. Enter the user name and password. • Default user name: confadmin •...

  • Page 37: Configuration Of The Surface Temperature Difference Channel Of The Log & Guard B:safe Monitoring Trolley

    Log & Guard B:safe Configuration of the surface temperature difference channel of the Log & Guard B:safe monitoring trolley The surface temperature difference is calculated based on the measurement value of the storage tank surface temperature sensor and the internal temperature sensor of the scales inside the monitoring trolley.
  • Page 38 Log & Guard B:safe Figure 30: Configuration page for the surface temperature difference channel of the Log & Guard B:safe monitoring trolley. Table 4: Options on the configuration page for the surface temperature difference channel of the Log & Guard B:safe monitoring trolley Significance Default/recommended Important information...
  • Page 39 Log & Guard B:safe Significance Default/recommended Important information value delay time Specify the delay time in Measured in multiples of seconds. The time starts to the measurement interval. count down when the Log & Guard system detects an alert situation. An alert will be triggered after the delay time if the alert situation is still detected.
  • Page 40 Log & Guard B:safe Significance Default/recommended Important information value upper alarm Upper temperature +3 °C threshold difference limit. Values above the threshold will trigger an alert (if activated, see above). alarm The time starts to count 900 seconds = 15 minutes interruption down after an alert is time...
  • Page 41 Log & Guard B:safe Significance Default/recommended Important information value sample as fast A measurement is Remember to deselect the as possible performed every 1-3 check box to return to the seconds (or longer), regular measurement depending on the load of interval.

  • Page 42: Single-Point Calibration Of The Surface Temperature Difference Channel Of The Log & Guard B:safe Monitoring Trolley

    100%. The surface temperature difference is an additional safety feature for detecting storage tank defects at an early stage. The Vitrolife technician should check other storage tank performance values before performing single-point calibration of the surface temperature difference channel. Contact Vitrolife support if you have any questions.

  • Page 43: Configuration Of The Calculated Relative Evaporation Channel Of The Log & Guard B:safe Monitoring Trolley

    Log & Guard B:safe Configuration of the calculated relative evaporation channel of the Log & Guard B:safe monitoring trolley The Log & Guard B:safe monitoring trolley offers the option to calculate and track the relative evaporation rate of a storage tank as an additional safety feature in storage tank monitoring. In periods without disturbance of the storage tank related to cryosample handling or refilling of the tank, weight changes will only occur as a result of regular evaporation of liquid nitrogen from the tank.

  • Page 44: Determining The Threshold Levels For The Relative Evaporation Rate

    Log & Guard B:safe Start time Interval duration Notification time 18.00 6 hours 1 hour 19.00 7 hours 2 hours 20.00 8 hours 3 hours 21.00 9 hours 4 hours 22.00 10 hours 5 hours 23.00 11 hours 6 hours 12 hours 7 hours 8 hours...
  • Page 45 Log & Guard B:safe Example: (1) Observation resulted in an average relative evaporation rate of -7.5 g/h. (2) When the plug was left open overnight, the evaporation rate rose to -16 g/h. (3) The upper threshold (rounded) is: -7.5 g/h / 2 = -3.8 g/h. (4) The lower threshold (rounded) is: -7.5 g/h + (-16 g/h) = -23.5 g/h / 2 = -12 g/h.
  • Page 46 Log & Guard B:safe Table 5: Options on the configuration page for the calculated relative evaporation channel of the Log & Guard B:safe monitoring trolley Significance Default/recommended Important information value active Select the check box to If the check box is not activate all functions of the selected, the following sensor channel.
  • Page 47 Log & Guard B:safe Significance Default/recommended Important information value alarm The time starts to count 900 seconds = 15 minutes interruption down after an alert is time suspended. The horn will be paused until the interruption time has elapsed. If the alert situation is still detected, the horn will be restarted.
  • Page 48 Log & Guard B:safe Significance Default/recommended Important information value duration after Select from the drop-down Define a number of hours the end time menu. after the end time when the when the rate is rate is to be calculated. Minimum interval: 1 hour. calculated, Refreshed only once a day.

  • Page 49: Configuration Of The Optional Low Temperature Sensor Channel Of The Log & Guard B:safe Monitoring Trolley

    Log & Guard B:safe Configuration of the optional low temperature sensor channel of the Log & Guard B:safe monitoring trolley The Log & Guard B:safe monitoring trolley offers the option of installing a low temperature sensor inside the storage tank. The connection of a low temperature sensor is described in section 2.2.4. Figure 34: Configuration page for the optional low temperature sensor of the Log &...
  • Page 50 Log & Guard B:safe Table 6: Options on the configuration page for the optional low temperature sensor of the Log & Guard B:safe monitoring trolley Significance Default/recommended Important information value active Select the check box to If the check box is not activate all functions of the selected, the following sensor channel.
  • Page 51 Log & Guard B:safe Significance Default/recommended Important information value sms dead time The time starts to count Measured in multiples of down after the sms repeat the measurement interval. time has elapsed. The sms must be activated sms dead time overrides under alarm options.
  • Page 52 Log & Guard B:safe Significance Default/recommended Important information value channel name Enter an individual name. The channel name will be displayed on the overview and detailed channel pages. Choose a name that will identify the specific equipment that the Log & Guard B:safe monitoring trolley is monitoring.

  • Page 53: Symbols And Labels

    Log & Guard B:safe Significance Default/recommended Important information value Reset to Click this button to reset all installation values to the default defaults values. View Click this link to open the Configuration configuration history. history 6 Symbols and labels Label Description Note Manufacturer name and address...

  • Page 54: Contact Information

    +45 7023 0500 (available 24 hours a day, 7 days a week) E-mail support: support.de@vitrolife.com (response within 2 working days) Vitrolife A/S Jens Juuls Vej 20 DK-8260 Viby J Denmark Telephone: +45 7221 7900 Website: www.vitrolife.com VITROLIFE A/S, DENMARK - 54 -...

This manual is also suitable for:

14840/0213

Table of Contents