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PCE-COM 20
User Manual
32 pgs1.15 Mb0

PCE Health and Fitness PCE-COM 20 User Manual

© PCE Instruments
PCE-COM 20 Conductivity Tester
User Manual
Last change: 12 October 2017
v1.0
English
© PCE Instruments
Contents
1 Safety notes ........................................................................................... 1
2 Specifications ........................................................................................ 2
2.1 Technical specifications ................................................................................................... 2
2.2 Delivery content ............................................................................................................... 3
2.3 Accessories ...................................................................................................................... 4
3 System description ............................................................................... 5
3.1 Device .............................................................................................................................. 5
3.2 Connections and sensors ................................................................................................. 6
3.3 Function keys ................................................................................................................... 6
4 Getting started ....................................................................................... 7
4.1 Power supply ................................................................................................................... 7
5 Operation ............................................................................................... 7
5.1 On / off ................................ ................................................................ ............................. 7
5.2 Measurement ................................ ................................................................ ................... 8
5.3 Notes on the measurement .............................................................................................. 9
5.4 Settings ...........................................................................................................................10
5.5 Software manual .............................................................................................................18
6 Calibration ........................................................................................... 26
7 Maintenance ........................................................................................ 28
7.1 Storage ...........................................................................................................................28
8 Warranty ............................................................................................... 28
9 Disposal ............................................................................................... 28
© PCE Instruments
1
1 Safety notes
Please read this manual carefully and completely before you use the device for the first time. The device may only be used by qualified personnel and repaired by PCE Instruments personnel. Damage or injuries caused by non-observance of the manual are excluded from our liability and not covered by our warranty.
The device must only be used as described in this instruction manual. If used
otherwise, this can cause dangerous situations for the user and damage to the meter.
The instrument may only be used if the environmental conditions (temperature,
relative humidity, …) are within the ranges stated in the technical specifications. Do not expose the device to extreme temperatures, direct sunlight, extreme humidity or moisture.
Do not expose the device to shocks or strong vibrations.  The case should only be opened by qualified PCE Instruments personnel.  Never use the instrument when your hands are wet.  You must not make any technical changes to the device.  The appliance should only be cleaned with a damp cloth. Use only pH-neutral
cleaner, no abrasives or solvents.
The device must only be used with accessories from PCE Instruments or equivalent.  Before each use, inspect the case for visible damage. If any damage is visible, do not
use the device.
Do not use the instrument in explosive atmospheres.  The measurement range as stated in the specifications must not be exceeded under
any circumstances.
Non-observance of the safety notes can cause damage to the device and injuries to
the user. We do not assume liability for printing errors or any other mistakes in this manual. We expressly point to our general guarantee terms which can be found in our general terms of
business. If you have any questions please contact PCE Instruments. The contact details can be found at
the end of this manual.
© PCE Instruments
2
2 Specifications
2.1 Technical specifications
Measuring frequency
60 KHz, sine wave
Conductivity measurement range
0.5 … 112 % IACS
0.3 … 65 MS/m Resistance: 0.015388 … 3.33333 Ω*mm²/m
Resolution
0.01 % IACS (at <51 % IACS)
0.1 % IACS (at 51 % IACS ... 112 % IACS)
Accuracy
±0.5 % at +20 °C ±1 % at 0 ... +40 °C
Lift-off compensation
Probe compensation of 0.5 mm
Temperature measurement range
0 … 50 °C
Temperature accuracy
±0.5 °C
Automatic compensation
Conductivity reading is automatically adjusted to the value at 20 °C
Operating conditions
0 … 50°C, 0 … 95 % relative humidity
Display
LCD, backlit
Power supply
Internal rechargeable battery unit
Probe
Ø14 mm
Memory
Up to 500 data records
Interface
Mini USB
Dimensions
220 x 95 x 35 mm
Weight
415 g (with probe)
© PCE Instruments
3
2.2 Delivery content
1 x conductivity meter PCE-COM 20 1 x probe 1 x data cable 1 x user manual 1 x mains adaptor 3 x conductivity standard 1 x Allen key 1 x factory calibration certificate 1 x software 1 x carrying case
© PCE Instruments
4
2.3 Accessories
As an addition to the included standard conductivity blocks, further blocks can be purchased. The following list shows the available materials and the approximate conductivity values.
Material
Conductivity
MS/m
Conductivity %
IACS
Titanium
0.60
1.03
Bronze
4.70
8.11
Bronze
6.91
11.93
Bronze
8.03
13.85
Brass
12.63
21.78
Copper
34.85
60.08
Copper
50.00
86.21
Copper
58.00
100.00
Aluminium
18.82
32.46
Aluminium
24.00
41.38
Aluminium
33.00
56.90
Aluminium
9.22
15.90
Magnesium
6.70
11.55
Magnesium
18.85
32.50
© PCE Instruments
5
3 System description
3.1 Device
01 Calibration key 05 Save key 09 Menu key 02 Arrow key “Up“ 06 Delete/unit key 10 Backlight key 03 Measuring key 07 Probe 11 a0 key 04 Arrow key “Down“ 08 Confirmation key 12 On / off key
© PCE Instruments
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3.2 Connections and sensors
01 Probe connection 02 Temperature sensor 03 Connection for Mini USB cable 04 Connection for mains cable
3.3 Function keys
Key
Function
“MEAS“
Measurement
“SAVE“
Storage of measurement data
“CAL“
Calibration
“MENU“
Function set-up / settings
“OK“
Confirmation
“DEL/UNIT“
DEL: Deletion (in viewing mode) UNIT: Change of unit (in measurement mode)
“a
0
“
Selection of temperature coefficient
“ “
Backlight
“ “
On / off
“▲“
Increasing in steps or moving upwards
“▼“
Decreasing in steps or moving downwards
© PCE Instruments
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4 Getting started
4.1 Power supply
The device is powered by the included AC mains adaptor (input: 100 … 240 V AC; 50/60 Hz; output: 4.2 V DC / 1 A). The mains adaptor is connected at the bottom of the device. During operation, the integrated 2200 mAh lithium battery can be used. When the battery level is below 1/3, the device will emit two beep tones every 30 seconds to remind you to charge the battery. When the meter is connected to the power supply, a red LED on the adaptor will start glowing. It will turn green when the battery is fully charged. A complete charging process takes five to six hours.
5 Operation
5.1 On / off
When the meter is switched off, press and hold the “ “ key for two seconds to switch it on. The following start screen will be displayed (Image 1):
Image 1
Now press the “MEAS“ key to enter the measurement screen or wait until you are automatically
directed from the start screen to the measurement screen.
In order to switch off the device, press and hold the “ ” key fort wo seconds. The settings made are saved automatically.
© PCE Instruments
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5.2 Measurement
By pressing the „MEAS“ key, you can directly enter measurement mode from the welcome
screen, from the calibration menu or from the settings screen (Image 2).
Image 2
Notes
In the upper area of the display (cf. „MEASUREMENT“) Image 2), you can
see in what mode you currently are.
The battery icon shows the remaining battery power.  In the middle of the display, you can see the conductivity value of the tested
sample at +20°C in the unit MS/m or % IACS (if you want to change the
unit, please see „DEL/UNIT“ at the bottom of this page and chapter 5.4.7 of
this manual).
In the lower area of the display on the left-hand side, you can find the
conductivity value “σ(28) = …“ at the current temperature. The unit of measurement is identical with the unit in the middle of the display at 20 °C. The value within brackets shows the compensated temperature. Further information about this can be found in chapter 5.4.3.
“TA = …°C“ at the bottom of the display on the left-hand side shows the
current ambient temperature.
In the lower, right-hand area of the display, “f = … kHz“ shows the operating
frequency of the probe.
In the lower right corner, “a0“ shows the current temperature coefficient of
the tested sample. Further information about this can be found in chapter “5.4.4“.
To change the unit of measurement, press the “DEL/UNIT“ key. With each keystroke, the device changes to the other unit or format. When you switch on the device again or have left measurement mode, the unit will automatically change back to the unit originally set.
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