PEL MostraLog Manuel utilisateur

6 Left paper clip

button (▲)

Next menu item, conﬁrmation

7 Right paper clip

button (+)

Change submenu settings

8IR receiver IR receiver for the remote control

9SD card slot Slot for the microSD-card

10 Mini-USB port Connection to PC or power supply via power

supply unit

11 Locking push Button for opening and locking the back of the

housing

12 Sensor opening Opening for the internal sensor.

Do not cover this area!

13 Sensor input Socket for external humidity/

temperature sensor (accessory)

14 Alarm output Socket for alarm cable (accessory)

15 Battery compart-

ment

Inserting and replacing the batteries

16 Battery

position

symbol

Shows the correct polarity of the

batteries

MostraLog

Datalogger for temperature and humidity

Manual

Description

MostraLog is a thermohygrometer and data logger. The LCD displays the

current temperature and humidity. The device records temperature and

humidity to an inserted microSD-card.

MostraLog is used to monitor humidity and temperature during the storage

and exhibition of climate-sensitive objects, such as art work or food.

MostraLog oﬀers accuracy of ±2% relative humidity (RH) in the range from

10 to 90% RH, and of ±0.7°C in the range from 0 to 60°C. The device’s unique

calibration function allows readjustment. Readjustment requires an optional

remote control and calibration set.

An external humidity/temperature sensor can also be connected. If this is

the case, the display shows the external sensor’s values. However, the data

from both the internal and the external sensor are stored, making MostraLog

a four-track data recorder.

The device’s alarm output can be connected to an alarm system. It will be

activated as soon as the deﬁned adjustable temperature or humidity limit

values are reached.

The low power consumption provides a battery life of up to two years

(depending on measurement interval and device settings). The data logger

can also be powered with a standard USB power supply.

MostraLog can be mounted on a wall with two screws. When the unit is

slotted in the wall-mount, the device itself and the microSD-card are

protected against theft by a concealed security mechanism.

The device can be read out and conﬁgured via a USB cable using the PC

software provided. However, settings can also be adjusted directly on the

device or via an optional IR remote control.

One can also read out the data by removing the microSD-card and evaluat-

ing the data on a computer using the SD card reader.

Device overview

1Temperature in °C

or °F

Shows the current measured value

2Relative humidity

in 

Shows the current measured value

3!Alarm Appears as soon as a limit value has

been exceeded

4Recording Appears as soon as a microSD-card

is inserted (recording starts

automatically)

5Battery capacity Display Residual capacity

70 - 100%

40 - 70%

10 - 40%

Replace batteries

6 8 7

1 2 3 4 5

9 10 12

From www.preservationequipment.com

Scope of supply

MostraLog · Batteries (2 x AAA) · microSD-card · microSD adapter (1 x per

shipment) · Software for free download · Paper clip for device buttons

Accessories

IR remote control · External sensor incl. cable 2m or 5m · Alarm cable 1.8m

with open ends · Calibration set incl. boxes and calibration salts

Initial operation

Use a pen (e.g. ballpoint pen) to open the device. Push the round button at

the back and simultaneously slide the back of the housing to the left. Putting

the thumb into the USB recess may help.

Insert 2 AAA batteries into the battery compartment. Ensure correct battery

position according to the battery position symbols.

If you want to use the recording function, insert a microSD-card into the card

slot in the direction indicated by the arrow, with the labelled side facing up.

Make sure that the card is inserted completely.

Note: Recording of the measured values starts automatically after insertion

of the microSD-card. The symbol appears on the display. This may take

several minutes, depending on the selected measurement interval.

1. Push the locking button 2. Simultanously slide the back to the left

Wall mounting

To mount the device on the wall, use the notches provided in the lower

part of the rear of the device. The notches can easily be perforated, e.g. with

a small screwdriver. Use ﬂat head screws to avoid damage to the batteries.

All connectors (alarm, external temperature sensor and mini USB) and the

opening for the internal sensor should be freely accessible. Use a pen or

crochet hook to remove the device from the wall bracket.

Setup

Conﬁguration can be carried out using the buttons on the device, with the

IR remote control, or via PC software.

Conguration on the device

Push buttons are located on the front of the device, left and right of the

IR sensor. To prevent tampering, the buttons can only be pressed with a

paper clip or similar tool. The left button corresponds to the remote control’s

button arrow up ““. The right button corresponds to the remote control’s

“+“ button.

After 4 seconds without user input, the menu navigation aborts without

saving values and the display shows the current temperature and humidity.

Screw notch Screw notch

Conguration with IR remote control

1 Function LED Illuminates when a key is pressed

2 Contrast Changes the LCD contrast

(See menu “LCD“)

3▲Move up in menu

4+Increase value +

5-Decrease value -

6▼Move down in menu

7 Calibration Start calibration (see menu “CAL“)

Use the “” and “” buttons to scroll through the menu. The “+“ and “-”

buttons change settings.

The IR remote control detection time depends on the value of menu item“IR”.

1 2 3 4 5 6 7

Setup menu

MIN / MAX

Shows the measured minimum and maximum values since the last reset or

battery change.

RES - Alarm acknowledge (reset)

Conﬁrms an existing alarm, i.e. the device deactivates the alarm output. The

device reactivates the alarm output again as soon as the alarm limits are

exceeded. A delay time can be set in the menu item “DLY” to prevent the

device immediately triggering an alarm (e.g. when the show case is open).

CLK - Date and time setting

Date and time adjustment in the order: YR: Year, Mon: Month, Day: Day, HR:

Hour in 24h format, MIN: Minutes. Conﬁrm with button ”“, the display

shows “OK“.

Note: The device has no time zone information. To ensure that the times in

the PC software are displayed correctly we recommend entering Coordinat-

ed Universal Time (UTC). The PC software automatically sets the device time

as UTC. Thus local times can be calculated if the device is used to document

international transports across time zones. The PC software automatically

displays local times, based on the UTC time of the device.

Coordinated Universal Time (UTC) is Central European Time (CET) minus 1

hour and Central European Summer Time (CEST) minus 2 hours.

ALM - Alarm

Deﬁnes the alarm limits. First set MIN/MAX temperature, then MIN/MAX

humidity. Conﬁrm with the ““ button. The display shows “OK“. The active

alarm limits are saved on the microSD-card and preserved even during a

battery change.

DLY - Alarm Delay

Delays alarm trigger, e.g. during transport to the device’s destination or

while a show case adjusts to the desired climate. Select a value in hourly

increments and conﬁrm with the “▲“ button.

INT - Measuring interval

Deﬁnes the time interval for temperature and humidity measurement in the

range of 5 - 120 minutes.

C- F - Temperature unit

Changes the temperature unit from °C to °F. All settings (e.g. alarm limits) as

well as recorded values are displayed according the selected unit. Data on

the microSD-card is also stored in the selected unit.

IR - Infrared Receiver

Sets MostraLog’s remote control response time in the range of 1 - 5

seconds. If, for example, a reaction time of 5 seconds is selected, keys on

the remote control must be pressed for at least 5 seconds to be recognized.

Short intervals improve reaction time but considerably reduce battery life.

If no remote control is used, select “OFF“ for maximum battery life (factory

setting). When the IR receiver is switched oﬀ, you can operate the MostraLog

via the device keys or via the PC software.

Note: Some light sources (e.g. energy-saving lamps) generate ﬂicker in the

non-visible IR range. This can make MostraLog constantly detect false IR key

presses and thus very quickly drain the device’s battery. Permanently deacti-

vate the IR receiver if the batteries are completely discharged after only a

few days.

LCD - Display contrast

Adjusts the contrast of the LCD display. Contrast is inﬂuenced by the

ambient light conditions and the reading angle. Press the “▲“, button, the

display shows “OK“.

Note: The weaker the batteries, the lower the display contrast. If the battery

charge level falls below 30%, the display contrast is set to maximum to

ensure readability even with weak batteries.

CAL - Calibration

A calibration set with two saturated calibration solutions (sodium chloride

and magnesium dichloride) is available for readjusting the MostraLog.

Detailed calibration instructions are enclosed with the calibration set. Select

the appropriate calibration point: NA (NaCl) or MG (MgCl2) and start the

calibration process with “▲“. The display shows “OK” after successful calibra-

tion. If an error occurs, the display shows “ERR“. Possible causes of errors are,

for example, contaminated calibration solutions or wrong media selection

(NaCl instead of MgCl2).

DEF - Factory setting (default)

Resets the unit to the factory settings. Note that the IR receiver is turned oﬀ

by default. Date and time will not be changed.

VER - Firmware version

Displays the ﬁrmware version on the device.

Conguration with PC software

When the device is connected to a PC by mini-USB cable, data can be read

out and the device can be conﬁgured with the MostraLog PC software.

Since the device is connected to the PC as a mass storage device, you can

also access the data using Windows Explorer. To do so, wait until “MostraLog

Device“ and a drive letter appear. Then you can access the device like a USB

stick and transfer the recorded data to the PC.

Note: If the device is connected to a PC via USB, the display is cleared and

only the message “USB“ is displayed to indicate PC control.

Note: Depending on the capacity of the microSD-card, it may take several

minutes for the drive letter to appear on the PC. Use low-capacity microSD-

cards to minimize access times.

Batteries and power supply

Note: Almost all instrument settings are retained after a battery change. Only

the date and time must be readjusted, either by connecting the device to

your computer (MostraLog takes the computer’s time) or manually via the

device menu.

MostraLog can also be powered via a USB power supply. In order to do

this, connect MostraLog to a standard USB power supply using a mini-USB

cable. Any batteries should be left in the device, but won’t discharge when

supplied via USB. The display shows “USB“ instead of battery charge status.

The USB power supply makes it possible to change batteries without

interrupting data recording. USB-power the device before removing the

batteries, and leave it connected while you replace the batteries. After you

have inserted the new batteries, the USB power supply can be disconnected.

It is also possible to connect the MostraLog permanently via USB to use the

batteries as backup batteries, e.g. during a power failure.

External temperature/humidity sensor

If an external sensor is connected, the display shows values from the external

sensor, otherwise the values of the internal sensor are displayed. Values from

both sensors are stored on the microSD-card in parallel, resulting in four data

tracks (internal/external temperature, internal/external humidity).

Technical data

Temperature

sensor Measuring range -18°C to +70°C (0°F to 158°F)

Accuracy ±0.5°C(5°C to 45°C);

±1°F (41°F to 113°F)

Resolution 0.1°C (0.2°F)

Humidity

sensor Measuring range 0 to 100% RH

Accuracy ±2% RH (10 to 90% RH)

Resolution 0.1% RH

Operating range -18°C to +70°C (0°F to 158°F)/

0% to 100% RH

Memory 2 GB microSD-card

Measuring interval 5 - 120 min

Start options Immediately

Alarm Min-/Max limits, low battery

Alarm output low side switch, digital signal

Data transfer USB or microSD-card

Battery 2 x standard AAA, replaceable

Battery life Up to 2.5 years at 23°C (73°F)

Housing ABS, black or white

Dimensions 58 x 47 x 21 mm (2,3 x 1,8 x 0,8 inch)

Weight 57 g (2 oz)

External sensor Cable 2m or 5 m; sensor head Ø 8 mm

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