WUNDER CT20 User manual

WUNDER SA.BI. SRL MANUALE ISTRUZIONI
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www.wunder.it
PRECISION POKET SCALE
MOD. CT20
Instruction manual
INDEX
1. INTRODUCTION PG. 2
2. WARNING PG. 2
3. TECHNICAL SPECIFICATIONS PG. 2
4. INSTALLATION PG. 4
5. USE INSTRUCTIONS PG. 4
6. MAINTENANCE AND TECHNICALASSISTANCE PG. 4
7. CONFORMITY PG. 5
8. DISPOSAL PG. 5
1. INTRODUCTION
Thank you for using our CT-20, available in many different range and divisions.
Main functions are:
Tare function.
Auto calibration.
Auto power off.

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2. WARNING
Please read this manual carefully before turning the scale on
Do not overload the scale exceeding the Max range.
Do not place the loads abruptly.
Do not use sharp objects to press the keys.
Do not open the scale.
Do not short battery's poles.
Do not submerge the scale in the water
3. TECHNICAL SPECIFICATIONS
Supply: battery 'AAA'.
Plastic case.
4 units (g, oz., ct. dwt)
Tare range: 100% of Max.
Auto power off: 30sec.
Temperature range: fm +10°C to +30°C.
TECHINCAL SPECIFICATION
Mod. 200B 350B 500B 600B 1000B 100BA
g 200/0.1 350/0.1 500/0.1 600/0.1 1000/0.1 100/0.02
oz 7.055/0.005 12.345/0.005 17.635/0.005 21.165/0.005 35.270/0.005 3.527/0.001
ct 1000.0/0.5 1750.0/0.5 2500.0/0.5 3000.0/0.5 5000.0/0.5 500.0/0.1
gn 3086/1 5401/1 7716/1 9259/1 15432/1 1543.5/0.5
dwt 128.6/0.1 225.1/0.1 321.5/0.1 385.8/0.1 643.0/0.1 64.30/0.02
ozt 6.43/0.005 11.250/0.005 16.070/0.005 20.040/0.005 32.140/0.005 3.215/0.001
Mod. 250A 300A 350A 400A 500A
g 250/0.05 300/0.05 350/0.05 400/0.05 500/0.05
oz 8.818/0.002 10.582/0.002 12.346/0.002 14.110/0.002 17.636/0.002
ct 1250.0/0.5 1500.0/0.5 1750.0/0.5 2000.0/0.5 2500.0/0.5
gn 3858/1 4629/1 5401/1 6173/1 7716/1
dwt 160.75/0.05 192.90/0.05 225.05/0.05 257.20/0.05 321.50/0.05
ozt 8.038/0.002 9.646/0.002 11.252/0.002 12.860/0.002 16.070/0.002
Mod. 80A 100A 150A 200A
X
300A
X
g 80/0.01 100/0.01
150/0.01 200/0.01 300/0.01
oz 2.8220/0.0005 3.5275/0.0005 5.2915/0.005 7.0546/0.0005 10.582/0.001

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ct 400.00/0.05 500.00/0.05
750.00/0.05 999.95/0.05 999.95/0.05
gn 1234.6/0.2 1543.2/0.2
2314.8/0.2 3086.4/0.2 4629.6/0.2
dwt 51.44/0.01 64.30/0.01
96.45/0.01 128.60/0.01 192.90/0.01
ozt 2.5720/0.0005 3.2150/0.0005 4.8225/0.005 6.4300/0.0005 9.9995/0.0005
Mod. 500AX 20A 20B 10A
g 500/0.01
20/0.001g 20/0.002g 10/0.001g
oz 17.636/0.001
/
/
/
ct 999.95/0.05
100.00/0.005 100.00/0.01 50.000/0.005
gn 7716.0/0.2
308.64/0.02 308.64/0.05 154.32/0.02
dwt 321.50/0.01
12.860/0.001 12.860/0.002 6.430/0.001
ozt 9.9995/0.0005
/
/
/
Readability: 0.1 g/ 0.005 oz/0.5 ct/1 grain/0.1 dwt/0.005 ozt
0.05 g/0.002 oz/0.5 ct/1 grain/0.05 dwt/0.002 ozt
0.02 g/0.001 oz/0.1 ct/0.5 grain/0.02 dwt/0.001 ozt
0.01 g/0.0005 oz/0.05 ct/0.2 grain/0.01dwt/0.0005 ozt
0.001 g/0.005 ct/ 0.02 gn/0.001 dwt
0.002 g/0.01 ct/0.05 gn/0.002 dwt
Units (default): 4 units available
4. INSTALLATION
After having removed the scale from the package, check the integrity of all components.
The scale must be placed far from heaters and other electronic devices, in a room free from excessive vibrations and draughts.
The working temperature must be included between 10°C and 30°C.
Always allow the scale to acclimate to normal room temperature for at least one hour before use.
5. USE INSTRUCTIONS
WEIGHING
Press ON/OFF key to switch on and wait until it displays “0.0”. Put the object(s)on the weighing tray.
Automatically switch off after 30 seconds or press ON/OFF key when display “zero” to switch off.
TARE WEIGHING
Turn on scale as described above. Place the “tare item” on the tray and press TARE key. Wait until “0.0” and “Zero” is displayed
and add the “net-weight-item”
CALIBRATION
(REMARK: For MINI Series, “MODE” button is also “UCAL” button.)
Press ON/OFF key to switch on and wait until it displays “0.0”, press and hold “UCAL” key until display “CAL” to enter calibration
status, display “0.0” afterwards. Press “UCAL” to calibrate zero point. Wait till 2-3 seconds, on LCD shows a weight reading and
put the named weight on the platform, wait till 3 seconds and the LCD panel shows “PASS” then auto power off. (If it shows

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“EEEE” please switch off and repeat the process of calibration) Put away the weight. The calibration is completed.
6. MAINTENANCE AND TECHNICAL ASSISTANCE
Clean the scale by means of a wet soft cloth, with water or neutral cleaner only. Do not use any solvent or abrasive remover. In
case of no use for a long time, remove the battery.
During transportation, be careful to avoid shock or mechanical stress.
In case of repair or technical assistance, contact your retailer.
7. CONFORMITY
DIGITAL WEIGHING INSTRUMENT WUNDER : MODEL CT20 S/N: ......................
We declare that this instrument has been checked and has passed the functional test positively
results. It complies with following standards and directives:
89/336 CEE 92/31CEE 93/68CEE
EN 61000 6-3 : CISPR 22 CLASS B
EN 61000 6-1 : 4-2 4-3 4-4 4-5 4-6 4-11
EN 61000 3-2 3-3
8. DISPOSAL
Disposal EU 2002/96/EC
This product complies with “EU 2002/96/EC” Directive. The above symbol present on the product means that at the end of its working life, it
must be disposed separately from urban rubbish, therefore you must hand it over to a center in charge of collection and disposal of electric and
electronic devices or to the retailer when purchasing a new equivalent device. The user is responsible for the delivery of the old device to the
proper collection center. A correct differentiated collection for device recycling, treatment and disposal helps to avoid possible negative effects
on both the health and the environment and to promote the recycle of the materials composing the device. .
For further details about available collection systems, please contact the local service for wastes disposal or the shop where you bought the
product.
As consumer, according to the law in force, you are compelled to return all used or exhausted batteries. You can leave them at the public
collection centers present in your city, or you can return them to any batteries retailer. Also in case of destruction of electric or electronic devices,
the contained batteries must be removed and put into the proper collection boxes.
REMARK: The following symbols mean that hazardous substances are present.
Batteries:
Pb Pb = battery containing Lead
Cd Cd = battery containing Cadmium
Hg Hg = battery containing Mercury
WARNING: Do not throw electric parts or used batteries together with urban wastes. Dispose the batteries through proper collection
centers.