Nokeval KMR260 Bedienungsanleitung
Quick Guide
Firmware version V2.1
4.4.2008
KMR260
wireless hand-held meter
Nokeval
2
Manufacturer
Nokeval Oy
Yrittäjäkatu 12
FI-37100 Nokia
Finland
Tel: +358 3 3424800
Fax: +358 3 3422066
Web: www.nokeval.com
Description
KMR260 hand-held meter is easy to use and designed for demanding environment. The device is
housed in a durable and splash-proof metal case that is also hygienic and easily to keep clean.
KMR260 has a detachable connector for temperature sensor that enables changing sensors
quickly and easily according to the measurement target. The display is a clear and bright OLED
display that is also viewable in dark. In typical use the battery life of the internal Lithium-polymer
battery is over two weeks.
To each measurement result the following additional information can be saved: date, time,
measurer, measuring point and measuring target. Additionally high and low alarm levels can be
defined to each target. Measurement results are sent via radio to computer running PromoLog
data acquisition software.
Measured data is transmitted using license free 433.92 MHz frequency band (ISM)
so KMR260 can be freely used, for example, almost in whole Europe.
KMR260 Quick Guide
3
Startup
The device is powered up using the OK button .
The device’s fi rmware version and calibration validity time is shown during startup.
Shutdown
The device is automatically shut down after three minutes if it is not used. Alternatively user can
shut the meter down by selecting Menu > Shut down.
Keypad
Two selection buttons are located
under the display. Press the selection
button to perform the function shown
above it on the display.
Use the arrow buttons to navigate in
the menu and the OK button to enter
a selection or perform the selected
function.
The device has also a numeric keypad
that can be used to type in text.
Numeric keypad is handy when
browsing long lists to quickly locate the
item wanted. Enter the fi rst letters of
the item, scroll to the item, and press
the OK button.
Selection buttons
Arrow buttons
OK button (OK)
Numeric keypad
KMR260 Quick Guide
4
Normal mode
In normal operation mode the display is divided into three parts:
• Date, time and battery level indicator is shown in the topmost row
• The following three rows show the currently selected user, measuring point and the measuring
target.
• The functions of the selection buttons are shown on the bottom of the screen
Selecting user, measuring point and measuring target
The selections of user, measuring point and measuring target are done from the normal operation
mode.The selected item is highlighed using dark yellow color. Use up and down arrow buttons
to navigate between user, measuring target and measuring point and change the value of the
selected item using left and right arrow buttons. You can also press the OK button to change to the
list view of the selected item.
Scroll the list using up and down arrow buttons and press the Ok button to select the highlighted
item.You can also enter few fi rst letters of the item to speed up fi nding it from a long list.
KMR260 Quick Guide
5
Measuring mode
Change to measuring mode from the normal mode by pressing the Measure button. In measuring
mode the current reading and a bar display is shown. The bar display indicates visually when the
temperature is suffi ciently stabilized.
On the left-hand side picture the reading is still changing and therefore the bar is only partially full.
On the right-hand side picture the reading is stabilized and bar is nearly full. Also the Ready and
OK buttons can now be used to send and save the measurement.
High and low limits can be set to measuring targets using PromoLog data acquisition software.
If the limits are set and the reading is within the limit values, a happy face is shown in the screen
after the reading. Respectively, a sad face with arrow pointing up or down is shown if a limit is
exceeded.
When the reading is sent via radio the text sending data and an antenna icon is shown on the
screen. When the data is sent the device returns to normal operation mode.
KMR260 always saves the measurement data to its internal memory. The internal memory has
space for over one thousand measurement results.This is useful in the case where the hand-held
meter is used outside the coverage area of a radio receiver. The data from the internal memory is
automatically transferred to PromoLog when the device is connected to a computer using a USB
cable.
Reading is too cold Reading is within the limits Reading is too hot
KMR260 Quick Guide
6
Main menu
Move to main menu from the normal operation mode by pressing the Menu button.
Shutdown
By selecting Shut down the device is shut down immediately. The device is also automatically shut
down after it has been idle for three minutes.
Previous results
By selecting Previous results you can browse through the results saved in the device’s internal
memory.
The list shows the saved results ordered by date and time. You can see the measurement data of
the highlighted item by pressing the Select button.
Use up and down arrow button to scroll the measurement data. The time of the measurement,
temperature, measuring point, measuring target and measurer is saved from every measurement.
Device info
This submenu contains the following techinal information about the device.
• Firmware version • Serial number
• Radio ID number • Latest calibration time
• Calibration validity time • Battery voltage
KMR260 Quick Guide
7
USB
connector
sensor
connector
Connect to computer’s USB port
Recharging the battery
The device is powered by a rechargeable lithium-polymer battery. Recharge the battery by
connecting the device to a computer using a USB cable. The battery is always charged when the
KMR260 is connected to a computer that is on.
The bars in the battery level indicator are moving when the battery is recharging. Note that when
the device is switched off the display is blank but the battery is still being recharged. It takes
approximately three hours to fully recharge the battery.
Language selection
To set the language used on the device’s display, select Menu in the normal operation mode and
after that choose Select language from the main menu. Now you can choose the language you
want using up and down arrow buttons and then press the Select button to use the highlighted
language.
KMR260 Quick Guide
8
Technical specifications
Inputs
Pt100
• Sensor: Pt100 sensor, 3- or 4-wire
• Range: –100…+650°C
• Accuracy: ± 0.5°C in range
-30…+100°C
Thermocouples
Type Range Lin. error
J -160…950°C ±1
K -150…1370°C ±0.5
• Cold junction: ± 0.75 °C (0...40 °C)
• Thermal drift 0.02°C / °C (ref 25°C)
• Accuracy 0.05% rdg + 0.75°C +
lin. error + thermal drift
Battery
• Li-polymer battery 3.7 V 1000 mAh,
Recharging using USB connection
max. recharge current 450 mA
Case
• Dimensions: 191 x 57 x 32 mm,
without accessories
• Weight: 270 g, without sensor
• Material: aluminium
Environment
• Protection class: IP65
• Operation temperature: 0...+40 °C
• Storage temperature: -20...+60 °C
Display
• 128x64 pixel yellow dot matrix OLED display
Keypad
• 18 buttons membrane keyboard
Memory
• 512 kilobytes for users, measuring points
and measuring targers
• over one thousand latest measuremets
Compatible radio receivers
• Nokeval’s MTR, RTR, FTR and DPR series
receivers
Radio transmitter
• Antenna connector: 50 Ω female BNC
connector
• Standard antenna: Quarter-wave whip
antenna
• Frequency range: License free 433.92MHz
subband f according to
ERC/REC/70-03
Coverage area
• Open space: up to 500 m
• Indoors: 50-100 m (typically)
Regulations
EMC directive
• EMC immunity EN 61326
• EMC emissions EN 61326, class B
R&TTE directive
• EN 300 220 class 3,
Transmitter power class 8 (10 mW)
• EN 301 489
• EN 300 339
Commission regulation (EC) No 37/2005
• EN 13485
• EN 13486
• EN 12830
KMR260 Quick Guide
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