Gram CR-30, CR-300, CR-120 User Manual
USER MANUAL
MANUAL DE UTILIZACION
MANUEL D´UTILISATION
SERIES / SERIE / SÉRIE CR
Models / Modelos / Modèles
CR-30
CR-120
CR-300
REV. 2A11M103T
2
NDEX
Safety recommendations 2
Characteristics 2
Specifications 2
Capacity and readability 3
Schematic diagram 3
Dimensions 3
Use of crane scale 4
Turn on 4
Turn off 4
Tare 4
Hold function 5
Weight units 5
Reset to zero 5
Settings 5
Auto-turn off configuration 6
Auto-zero configuration 6
Zero manual 6
Backlight configuration 6
Possible errors 7
Guarantee 7
EC Declaration of Conformity 22
3
SAFETY RECOMMENDATIONS
Before using the crane scale, please, read this manual carefully and follow the instructions.
DON´T overload the crane scale, this could seriously damage the loadcell (repair not covered
by the warranty)
DON´T leave any weight on the hook for a long time, this reduces the accuracy of the
equipment and shorts the life of the loadcell
Before using the crane, check the superior and inferior hook ring.
Replace the batteries when the display shows the low power indicator.
DON´T use the crane in rain or storms.
DON´T try to repair the crane. Please, contact with your Distributor.
CHARACTERISTICS
This crane scale meets with the following Standards : OIML R76, GB/T11883-2002 and
ISO9001-2000
Aluminum loadcell of high quality.
Aluminum housing for best safety.
LCD Display of 20mm.
Visibility distance up to 10m.
Removable hook.
The SMT Technology, the integrated high qualily circuit and the loadcell, ensure
stability and proper operation for a long time.
Power : 3 batteries AAA with a low power consomption design.
4
SPECIFICATIONS
Precision Class GB/T 11883-2002 Class III equivalent to OIML R76
Tare range 100% F.S.
Auto-zero ±50% F.S.
Manual zero ±2% F.S.
Zero-track 0.5e/s
Stabilization time of
reading
≤10 seconds
Stand-by Stable and no action in 3 seconds
Auto-turn off Stable and no action in 3 minutes
Overload 100% F.S. + 9e
Maximum load safety 120% F.S.
Last load 300% F.S.
Battery life >150 hours
Batteries 3 battery AAA
Operating temperature - 10 ~ + 40℃ ℃
Humidity ≤90% at 20℃
Display 0.7 inch (17.78mm) numerical
Net weight 620g
5
CAPACITY AND READABILITY
Model Maximum capacity E (kg) Division (n)
CR-30 30 kg 0.01 3.000
CR-120 120 kg 0.05 2.400
CR-300 300 kg 0.1 3.000
SCHEMATIC DIAGRAM
DIMENSIONS
6
7
USE OF CRANE SCALE
Turn on
Press the key for 1 second to turn on and restart the crane.
Turn off
Press the key for 1 second to turn-off the crane.
The display will show the message “OFF”
TARE
Press the key to subtract the weight of a container.
The message “TARE” will appear on the display and the
screen will remain at zero.
If the weight exceeds the 100%F.S., or if it is less than 0, no
Tare may be made.
If the reading is not stable, no Tare may be made.
Tare function reduces the range of capacity of crane scale.
Example: If Tare is made with a container of 10 kg and the maximum
capacity is 50 kg, the available capacity will be of 40.18 kg (5000 -1000 + 9
additional divisions)
To clean tare, press again the key
The message “TARE” will disappear and the gross weight
will activate.
2
Hold Function
Press the HOLD / U key to hold the data shown on the display
(value frozen on the display)
The message “HOLD” will appear and the weight
will remain frozen on the display.
Press again the HOLD / U key to deactivate the Hold function.
The message “HOLD” will disappear and the crane will return to normal
weighing mode.
Weight Units
Press the HOLD / U key for 1 second to select the desired weight unit
(kg, lb y N)
The unit cannot be changed if a tare has been made.
3
Reset to zero
Press the key for 1 second to reset the display to zero.
The message “ZERO” will appear on the display and the
display will remain at zero.
The reset-to-zero function cannot be made if the reading is not stable or a
tare has been made.
The reset-to-zero function cannot be made if the weight value is above the
manual zero range.
Setting
To access to the setting mode, press at the same time the
and HOLD / U keys for 1 second.
Press the key to access to Auto Turn off configuration.
Press the HOLD / U to select the desired mode.
4
Auto turn-off modes:
0 (disabled)
5 (5 minutes)
15 (15 minutes)
30 (30 minutes)
60 (60 minutes)
Press the key to access to the Auto Zero configuration.
Press the HOLD / U key to choose the desired mode.
Auto-zero modes:
0 (disabled)
2 (2%F.S.)
4 (4%F.S.)
10 (10%F.S.)
20 (20%F.S.)
50 (50%F.S.)
Press the key to access to the Zero Manual.
Press the HOLD / U key to choose the desired mode.
Zero Manual modes:
0 (disabled)
5
2 (2%F.S.)
4 (4%F.S.)
10 (10%F.S.)
20 (20%F.S.)
50 (50%F.S.)
Press the key to access to backlight configuration.
Press the HOLD / U key to choose the mode.
Backlight modes:
off (disable)
5 (5 seconds)
15 (15 seconds)
30 (30 seconds)
60 (60 seconds)
on (never)
When one of modes: 5, 15, 30 or 60 is set the backlight will turn off
automatically after the selected time has run out.
When the“off” mode is set the backlight is disabled and will
never turn on.
6
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