Comet Commeter D3633 Manuale utente
2 IE-COM-D3633-10
Table of contents
GENERAL DESCRIPTION ............................................................................................................. 3
TECHNICAL PARAMETERS .......................................................................................................... 4
Measured and calculated values ............................................................................................ 4
General .................................................................................................................................. 5
Operation conditions .............................................................................................................. 6
Dimensions ............................................................................................................................ 7
OPERATION OF THE DEVICE ....................................................................................................... 8
Switching ON and OFF the device ......................................................................................... 8
Displaying of actual measured values .................................................................................... 8
Function HOLD (storing of actual measured values) and minimum a maximum memory ....... 9
Functions and settings available from menu .......................................................................... 9
Alarm indication and setting ................................................................................................. 11
LOGGING MODE ......................................................................................................................... 12
Logging start from device keyboard ..................................................................................... 12
Logging start with clearing memory and logging mode selection .......................................... 13
Logging stop from keyboard ................................................................................................. 14
CONNECTION OF THE DEVICE TO A PERSONAL COMPUTER ............................................... 15
THE PC SOFTWARE FOR THE DEVICE ..................................................................................... 16
Installation of program for PC with OS Windows .................................................................. 16
Software for Windows – instruction manual ......................................................................... 16
BATTERY REPLACEMENT .......................................................................................................... 18
TECHNICAL SUPPORT AND SERVICE ...................................................................................... 19
IE-COM-D3633-10 3
General description
Instrument is designed for measurement of temperature and relative humidity (attached sensors)
and temperature from an attached surface magnetic probe. It enables to display the dew point
temperature and the difference between external temperature and dew point temperature.
Measured values are displayed on a dual line LCD display. Measured values can be stored in
programmable interval into internal non-volatile memory and transfer anytime to a PC.
Temperature is measured by RTD sensor Ni1000/6180ppm. Instrument compares measured
values of temperature, humidity, dew point and temperature difference with two adjustable levels
for each measured quantity. Breaking the level is indicated by blinking the proper value on display
and by audio indication (switchable). Instrument is equipped with minimum and maximum memory
and Hold function. Minimum and maximum values and Hold value are possible to display on the
LCD anytime.
4 IE-COM-D3633-10
Technical parameters
Measured and calculated values
Temperature:
Measuring range: -10 to +60 °C (ambient and surface temperature)
Resolution: 0.1 °C
Accuracy: ±0.4 °C
Response time: t63 < 35 s, t90 < 60 s (applies for ambient temperature)
____________________________________________________________________________________________________________
Air flow approximately 1m/s, temperature step 20 °C
Relative humidity:
Measuring range: 5 to 95 %RH
Resolution: 0.1 %RH
Accuracy: ± 2.5 %RH from 5 to 95 %RH at 23 ºC
Response time: t63 < 30 s, t90 < 60 s (applies for ambient temperature)
_____________________________________________________________________________________________________________________
Air flow approximately 1m/s, humidity step 30 %RH, constant temperature
Dew point temperature:
Measuring range: -40 to +60 ºC
Resolution: 0.1 ºC
Accuracy: ±1.5 °C at temperature T<25 °C and RH>30%
(for more details see graph)
IE-COM-D3633-10 5
General
Measuring interval and display reading refresh approximately:
0.7 s in FAST mode
0.7 to 5 s in dynamic mode
Logging interval:
10 s to 24 h (in automatic logging mode)
Total memory capacity:
1000 sets of all input quantities manual logging mode
5416 values automatic noncyclic logging mode
5198 values automatic cyclic logging mode
______________________________________________________________________________________________________________________________________________________________
The above specified numbers are maximum possible. Capacity is slightly lower if logging was interrupted by
communication with computer, by stopping logging or switching OFF the instrument.
Real time clock:
Adjustable from computer, integrated calendar including leap years
Real time clock accuracy: < 200 ppm (i.e. 0.02 %, 17.28 s in 24 h)
Power:
Battery 9V or ac/dc adapter 12 V with NiMH accumulator 9V
_____________________________________________________________________________________________________________________________________________________________
If instrument is supplied from external ac/dc adapter, internal 9V battery should be replaced with rechargeable
NiMH accumulator. In usual operation from adapter accumulator is charged only with small current. If
accumulator is totally discharged, its full charging in instrument takes approximately 100 hours. Instrument
with accumulator is not recommended for permanent operation without ac/dc adapter plugged. Accumulator
works only as a standby source in case of power mains failure.
Average current consumption:
0.2 to 0.8 mA (depending on operation mode)
_____________________________________________________________________________________________________________________________________________________________
Battery life depends on selected display refresh mode (see below). In FAST mode display is refreshed in
shortest possible interval with highest current consumption. In dynamic mode display is refreshed in interval
up to 5 s in case measured values remain stable. Refresh interval is shortened to approximately 0.7 s only if
measured values change. Current consumption in this mode in usual operation is lower, battery life is up to 4
times longer. The FAST mode is recommend to use only in cases, when slower display response is not
acceptable.
Battery voltage drop below 7 V is indicated with blinking of "BAT" in default display mode (displaying of actual
values) and FAST mode is automatically cancelled to save the battery. At the same time audio indication of
alarms is automatically switched OFF.
6 IE-COM-D3633-10
Electromagnetic compatibility:
Device conforms in accordance with EN 61326-1 these norms:
Radiation: EN 55022 class B
Immunity: EN 61000-4-2 (levels 4/8 kV, class A)
EN 61000-4-3 (intensity of electromagnetic field 3 V/m, class B)
EN 61000-4-4 (levels 1/0.5 kV, class A)
EN 61000-4-6 (intensity of electromagnetic field 3 V/m, class B)
EN 61000-4-11 (class A)
EN 61000-4-5 (class A)
Communication with computer:
USB port (USB mini connector)
Display:
Backlit two-line LCD
______________________________________________________________________________________________________________________________________________________________
Backlighting turns off automatically 10 seconds after the last keystroke
Protection:
IP20
Dimensions:
191 x 71 x 39 mm
Weight:
Approximately 200 g including battery without probe
Operation conditions
Ambient temperature operating range:
-10 to +60 °C
Ambient rel. humidity operating range:
5 to 95 %RH (no condensation)
Storage temperature range:
-10 to +60 °C
Storage relative humidity range:
5 to 95 %RH
Not allowed manipulation:
It is not allowed to touch the sensors under the cover to prevent damage the sensors
The sensors (under the cover) should not be exposed to direct contact with water or
other liquids.
IE-COM-D3633-10 7
Dimensions
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Operation of the device
Switching ON and OFF the device
Switch ON the instrument by pressing ON/OFF key. After switching ON
the instrument all symbols on the LCD are displayed. If the ON/OFF key
is being held pressed, all LCD symbols are displayed till the key is
released. In usual operation instrument then starts the measurement
mode and actual measured values are displayed.
If a voltage drop below critical limit occurred since last adjustment of
internal real time clock or battery disconnection longer than
approximately 1 min, new instrument initialization is performed (reading
INIT could be displayed up to 12 s !).
After initialization is finished instrument starts to display internal time to
warn to incorrect internal time. New time adjustment is performed by the
computer. Press MENU key to switch instrument to actual measurement
mode.
It is possible to switch OFF the instrument anytime, all instrument setting
is kept saved. If automatic logging was active before instrument is
switched OFF, logging will continue with the same parameters after new
switching ON.
Displaying of actual measured values
In this mode is instrument anytime after switching ON. It is possible to
enter this mode from other modes by pressing or by repeating pressing
of MENU key.
Ambient temperature in °C is displayed on the upper LCD line (symbol
INT) and relative humidity in %RH is displayed on the lower LCD line.
Press DISPLAY key to display other readings - external probe
temperature in °C (symbol EXT) and dew point temperature on lower
line (°C DP). If external probe is not connected properly or temperature
is out of measuring range, symbol „--„ is displayed.
Press DISPLAY key to display other readings - external probe
temperature in °C (symbol EXT) and difference between external
temperature and dew point temperature (symbol DIF). The difference is
defined as t dif = t ext - t dp.
IE-COM-D3633-10 9
Function HOLD (storing of actual measured values) and
minimum a maximum memory
Press HOLD key in the default mode (displaying of actual measured value) to store actual
measured values to internal memory (indicated by short beep). Anytime it is possible to display
stored values from MENU (see below). Each pressing of the HOLD key in the default mode
causes values stored in HOLD memory are replaced with actual ones.
Switched ON instrument permanently updates minimum and maximum
memory of each measured values. Press MIN key (resp. MAX key) in
the default mode to display minimum (resp. maximum) reading. These
minimum and maximum readings are indicated by MIN (MAX) symbols
on the LCD. Press DISPLAY key to display minimum (resp. maximum)
value of other values. Pressing MIN (MAX) or MENU key again to return
to default mode. Minimum and maximum memory is cleared from menu
after confirmation selection CLR (see below). Values in HOLD, MIN and
MAX memories remain stored even after instrument is switched OFF.
Functions and settings available from menu
Press MENU key to enter mode of viewing menu items one by one. Press arrow keys up and
down to list all menu items. Press MENU key again to return to default
mode (displaying of actual measured values).
First selection is START/STOP logging. There are two possibilities: if
logging is stopped, logging start is offered (symbol Strt = START), if
logging is in progress already, logging stop is offered (reading STOP).
Press ENTER key to confirm one of two possibilities. Notice: if battery
voltage is low it is not possible to start logging.
Press ENTER key to enter alarm setting mode (see below).
This item indicates if audio signaling of alarm indication is switched on
(On) or switched off (OFF). Press ENTER key to change actual setting.
Notice: if the battery voltage is low, audio indication is out of operation to
reduce current consumption independently on this selection.
10 IE-COM-D3633-10
Clearing of minimum and maximum memory of all values. Memory is
cleared after pressing ENTER key. Clearing is confirmed by reading
YES on the LCD lower display.
Press ENTER key to display values stored in the HOLD memory. Press
DISPLAY key to display other stored values. Press ENTER key to leave
this mode.
Time (hour and minute) in internal real time clock of the instrument.
Press ENTER key to check date (day, month, year).
Battery voltage of partially loaded battery is displayed. This value
illustrates battery condition.
Display refresh mode is indicated. In the FAST mode refreshment is
fastest with regular interval approximately 0.7 s. In the dynamic refresh
mode (DYN.) each 15 s refresh interval of display is doubled to
maximum 5 s if measured values are stable. If measured values change,
refresh interval decreases to approximately 0.7 s. This dynamic mode
prolongs battery life significantly. Select the desired mode by ENTER
key. Notice: if battery voltage is low, the FAST mode is out of operation
to reduce current consumption independently on this selection.
Each pressing of ENTER key causes displaying information on storing
interval, actual logging mode (MODE), memory occupation (MEMO - in
automatic logging mode memory occupation in % is displayed, in
manual mode the number of logged values is displayed) and service
information on software version (upper LCD line) together with
instrument configuration on the LCD lower line.
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