Citizen CZ series Manual de usuario
CITIZEN CZ
series
Precision
B
alances
CZ [NTEP ] User’s Guide
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Contents
SECTION 1 INTRODUCTION………………………………………………………………1
SECTION 2 SPECIFICATIONS………………………………….…………………………2
SECTION 3 INSTALLATION……………………………………….……………..……….3
SECTION 4 KEY DESCRIPTIONS……………………………………..…………………4
SECTION 5 OPERATION…………………………………………….………………..…..5
5.1 Zeroin the display………………………………………….……………………..….5
5.2 Tarin …………………………………………………………..……………………..….5
5.3 Wei hin a sample………………………………………….…………………………5
5.4 Counter……………………………………………..…………….……………….…….5
SECTION 6 BATTERY OPERATION…………………………….……………..…………6
SECTION 7 PARAMETERS………………………………………….……….……………7
SECTION 8 APPENDIX…………………………………………….…………..…………9
9.1 Error code…………………..………………………………….………….…..……….9
9.2 Wei hin unit listin ………………………….……………..………….……………9
9.3 Explode drawin ………………………….………………………..…………………10
9.4 Parts list………………………….……………………….…..…….…….……………11
CZ Series Precision Balances service manual
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SECTION 1 INTRODUCTION
C T ZEN’S CZ series of Precision balances provides an accurate, fast and versatile
series of general purpose balances.
There are 10 models in this series, with capacities from 500g~6000g, resolution from
5,000 to 120,000.
They all have stainless steel weighing pan on an ABS base assembly.
All the keypads are light touch switches and the displays are large easy to read liquid
crystal type displays (LCD). The LCD’s are supplied with a white color LED backlight
and have loading bar graph.
All units include automatic zero tracking, and an accumulation facility that allows the
count to be stored and recalled as an accumulated total.
CZ Series Precision Balances service manual
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SECTION 2 SPECIFICATIONS
2.1 CZ series [ NTEP APPROVED ]
No NTEP
Model Capacity Pan size e d n max
1 CZ502 500 g 4.7” / 120 mm dia. 0.1 g 0.01 g 5000
2 CZ 501 500 g 4.7” / 120 mm dia. 0.1g 0.1 g 5000
3 CZ601 600 g 5.5 x 5.9 ” / 140 x 150 mm 0.1g 0.1 g 6000
4 CZ 602 600 g 4.7” / 120 mm dia. 0.1 g 0.01 g 6000
5 CZ 1202 1200 g 4.7” / 120 mm dia. 0.1 g 0.01 g 12000
6 CZ1200 1200 g 5.5 x 5.9 ” / 140 x 150 mm 0.1 g 0.1 g 12000
7 CZ5000 5000 g 5.5 x 5.9 ” / 140 x 150 mm 1 g 1 g 5000
8 CZ 5000H 5000 g 5.5 x 5.9 ” / 140 x 150 mm 1 g 0.1 g 5000
9 CZ6000 6000 g 5.5 x 5.9 ” / 140 x 150 mm 1 g 1 g 6000
10 CZ 6000H 6000 g 5.5 x 5.9 ” / 140 x 150 mm 1 g 0.1 g 6000
2.2 Common Specifications
Accuracy Class
nterface Optional RS-232 Output
Stabilisation Time 2 Seconds typical
Operating Temperature 10°C~25°C / 50°F~77°F
Power supply (external) 9V/800mA AC adapter or
built-in rechargeable battery
Calibration Automatic External
ADC Sigma delta
nternal counts 600,000 or 1,200,000
Display 15 mm digits high 6 digits LCD
with white color LED backlight
and loading bar graph
Balance Housing ABS Plastic, Stainless Steel pan
Overall Dimensions (wxdxh) 180mm x 220mm x 85mm
Gross Weight 2.6kg(include rechargeable battery)
CZ Series Precision Balances service manual
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SECTION 3 INSTALLATION
3.1 GENERAL INSTALLATION
The scales should be sited in a location that will not degrade the accuracy.
Avoid extremes of temperature. Do not place in direct sunlight or near air conditioning
vents.
Avoid unsuitable tables. The tables or floor must be rigid and not vibrate. Do not
place near vibrating machinery.
Avoid unstable power sources. Do not use near large users of electricity such as
welding equipment or large motors.
Avoid high humidity that might cause condensation. Avoid direct contact with water.
Do not spray or immerse the scales in water.
Avoid air movement such as from fans or opening doors. Do not place near open
windows.
Keep the scales clean.
Do not stack material on the scales when they are not in use.
3.2 INSTALLATION of CZ SERIES
Level the scale by adjusting the four feet. The scale should be adjusted such that the
bubble in the spirit level is in the centre of the level and the scale is supported by all
four feet. f the scale rocks readjust the feet.
Attach the adapter to the connector on the side of the scale. Please use the power as
the label.
For capacity lower than 600g model, it will attach with a wind shielding, the wind
shielding include one frame and one cover, put the frame on balance, then add cover.
When weigh something, remove the cover, put weight on the pan, then add cover.
CZ Series Precision Balances service manual
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SECTION 4 KEY DESCRIPTIONS
Zero or
Set the zero point for all subsequent weighing. The display shows zero.
A secondary function , of "Enter" key when setting parameters or other
functions.
Tare or
Tares the scale. Stores the current weight in memory as a tare value, subtracts the
tare value from the weight and shows the results. This is the net weight.
ESC
PRINT
MULT Function.Key
Primary function (ESC) ,is to return to normal operation when the scale is in a
parameter setting mode. OPT ONAL To print the results to a PC or printer using the
optional RS-232 interface . [ N.A. ]
MODE
UNIT
This key will select either grams, pounds, carat ,ounce etc. for the weighing unit when
weighing mode.
A secondary function, change current value for parameters or other functions.
S
No function.
P
No function.
ON/OFF or
Use this key to turn on or turn off the power.
CZ Series Precision Balances service manual
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SECTION 5 OPERATION
5.1 ZEROING THE DISPLAY
You can press the ZERO key at any time to set the zero point from which all other
weighing and counting is measured, within 10% of power up zero. This will usually
only be necessary when the platform is empty. When the zero point is obtained the
display will show the indicator for zero.
The scale has an automatic rezeroing function to account for minor drifting or
accumulation of material on the platform. When the weight goes over 20 % of the full
capacity, “read zero” function is obsolete.
5.2 TARING
Zero the scale by pressing the ZERO key if necessary. The zero indicator will be on.
Place a container on the platform, a value for its weight will be displayed.
Press the TARE key to tare the scale. The weight that was displayed is stored as the
tare value and that value is subtracted from the display, leaving zero on the display.
The NET" indicator will be on. As product is added only the weight of the product will
be shown. The scale could be tared a second time if another type of product was to
be added to the first one. Again only the weight that is added after taring will be
displayed.
When the container is removed a negative value will be shown. f the scale was tared
just before removing the container this value is the gross weight of the container plus
all product that was removed. The zero indicator will also be on because the platform
is back to the same condition it was when the ZERO key was last pressed.
5.3 WEIGHING A SAMPLE
To determine the weight of a sample first tare the empty container then place the
sample in the container. The display will show the weight and the units of weight
currently in use.
5.4 COUNTER
5.4.1 Audit operation counter
Press S key durin selfcheckin , display will show Audit operation times
5.4.2 Calibration counter
Press P key durin selfcheckin , display will show calibration times
When counter full, it will back to 0 automatically.
CZ Series Precision Balances service manual
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SECTION 6 BATTERY OPERATION
When the battery needs change the indicator will turn on. Please change
battery or use AC adapter after this indicator on.
The scales can be operated from the battery if desired. The battery life is
approximately 50 hours.
To charge the battery simply plug into the mains power. The scale does not need to
be turned on.
The battery should be charged for 12 hours for full capacity.
n the LCD display has an battery indicator to indicate the status of battery charging.
When the scale is plugged into the mains power the internal battery will be charged.
When turn on the indicator, if the battery indicator is full then the battery has a full
charge. f it is half then the battery is nearly discharged and empty indicates the
battery should be charged.
As the battery is used it may fail to hold a full charge. f the battery life becomes
unacceptable then contact your distributor .
Este manual sirve para los siguientes modelos
10
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