TPS JS Series User manual

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JC Electronic Crane Scale
User’s Guide
CRANE SCALE

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Table of contents
1.Overview·················································································· 3
2.Features & Specifications······························································· 3
3.Keypad operation ········································································ 3
4.General Scale Operation ································································ 4
5.Battery Charging········································································· 5
6.Precaution················································································· 5
7.Calibration Method ······································································ 6
8.Setup Functions in Sub-Menu·························································· 6
9.Schematics················································································ 7
10.Optional Accessories··································································10
11.Error Information······································································10

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Overview
JC series electronic crane scale combines reliable, advanced electrical hardware with good
software. Using AT series micro-processor and high speed, high precision A/D conversion
technology, the JC series of scale has a specially designed jittering compensation circuitry，so
they can reach steady state quickly with strong anti-interference capability. This series of scales
can be used for weighing application in commercial trade, mines, storage and transportations.
Features & Specifications
Product Execute Standard
GB/T11883-2002
Accuracy Grade
III
Zero Range
100% Full Scale
Time to Stable Reading
<10 Seconds
Maximum Safe Load
150% Full Scale
Display Specifications
5-digit 15 mm Super High Brightness 30 mm red LED display
Or 5-digit 40 mm LCD display with back lighting
Hanging Fixture
360-degree swirl safe hook & shackle
Operating Temperature
-25℃~ +55℃
Environment Temperature
-10℃~ +40℃
Operating Humidity
30% ~ 90% RH
Auto Power Off
30 minutes after the scale inactive or at extreme low power supply
Internal circuit with
charging protection
To enhance the energy of battery and prolong its performing life
Scale casing
Die-casting aluminum housing, corrosion safe, anti-static and light
weight
Keypad
Anti-corrosion, to prolong their working life.
Keypad operation
The keypad includes those keys such as ON/OFF, HOLD, SWITCH, ZERO.
(Note: the above keys can be used in sub-menu to set up Kg-lb conversion, Hold, Beeper On/Off,
Zeroing and backlighting, etc.)

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Model
Max. Capacity
(kg)
Measured Division
Division Hi resolution
JC-600
600kg
0.2kg
0.1kg
JC-1000
1000kg
0.5kg
0.2 kg
JC-2000
2000kg
1kg
0.5 kg
JC-3000
3000kg
1kg
0.5 kg
JC-5000
5000kg
2kg
1 kg
JC-10t
10000kg
5kg
2 kg
JC-15t
15000kg
10kg
5 kg
JC-20t
20000kg
10kg
5 kg
JC-30t
30000kg
20kg
10 kg
1. ［HOLD］: Press this key to keep the current weight and there is a LED indication lamp on
the bottom of the display window. Press this key again when the displaying weight flickers to
cancel the HOLD function.
2. ［SWITCH］: Press this key to change between Measured Division and Hi resolution
Division.
3. ［ZERO］: Press this key to set the current weight to zero.
General Scale Operation
1. Turn On the Scale
Press the power switch located under the displaying window of scale. The scale’s
maximum weighing capacity is first shown, and then the scale goes through a self-check
sequence. 5 seconds later, the scale will stabilize and be ready for operation. (Note: it is
recommended to allow scale 3~5 minutes of warm-up time before starting weighing
operation).
2. Zeroing
In general, the scale shows “0.0kg”or “0.00kg”after it is turned on. In case the
display is showing numerical value other than “0”, press [ZERO] on the keypad or the remote

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to set the display to “0”.
3. Weight Measurement
a) Once the load is suspended completely, the display shows the weight value of the load.
When the “Stable”indicator is lit, weight value can be recorded.
b) In case there is tare such as cable, load the tare and press [ZERO] to zero the display to
“0”kg. The weight value after this will be the net weight. This will not change until
the tare change or the scale being turned off.
4. Turn Off the Scale
After weighing operation, press the power switch to shut off the power completely to
prevent the leakage of the battery.
Battery Charging
The scale adopts maintenance-free rechargeable battery and smart charger.
a. Then LOB indicator will be on if there is low power. The battery needs to be charged now.
The scale, however, can continue to operate for about 5 hours without charging.
b. After the LOB indicator is ON for several hours without charging or there is no more power in
the battery, the scale will be powered off automatically.
c. After battery charging, if there is no display, it indicates that either there is difficulty in battery
charging or a damaged battery. Please contact supplier for repair or replacement.
To prolong the battery life, we suggest you charge the battery after using 48hours or no less than
once per week. To avoid any damage to the battery, please charge it correctly. Additionally, we
suggest you switch off the scale to short the charging time. The charging lamp on the displaying
window and adaptor will turn to be red during charging. When the charging lamp on the adaptor
becomes green, it means the battery is fully charged.
Precaution
1. Please charge the scale with standard charger.
2. The load placed on the scale hook must not exceed the maximum weighing capacity of the
scale.
3. Perform routine inspection and maintenance to ensure operation safety for these basic items:
a) Check for loose bolts.
b) Check hook and shackle for deformation, wearing and tearing.
c) Check other scale component for signs of metal fatigue.
d) Check for missing hook latch.
e) Avoid hitting, bumping the display window.

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f) Do not use the scale in the rain or heavily polluted environment.
g) If the scale is not going to be used for some time, please clean it, remove the battery and
store it in dry conditions.
For problem “a”through “d”, please stop using the scale and send it back to your supplier for
repair or replacement of problem parts.
Calibration Method
Please do not attempt to calibrate the scale without standard weight
Step
Operation
Display
Remarks
1
Press & Hold
[ZERO ]Key to power
on
00000
Input the password “*****”
2
Press[ZERO]Key
SPEn
Enter into setting state, and make sure the scale is
with non-load.
3
Press [HOLD] Key
Set
00000
It will display “00000”after 5 seconds.
4
Press [HOLD] Key to
add
Press [SWITCH] Key
to move the digit left
3000
Load the scale. The closer to full capacity the
better. For example, 3000kg
5
Press [ZERO]
HOLd
The scale will record the new calibration data.
Setup Functions in Sub-Menu
Function
Operation
Display
Remarks
Sets buzzer
Press [SWITCH] during
self-check sequence from
“99999”to “00000”
bEE
1
0: Disable
1: Enable
Press [HOLD] or
[SWITCH] to change.
HOLD function
Press [ZERO]
Hod
1
0: Disable
1: Enable
Press [HOLD] or
[SWITCH] to change.
Zero Function
Press [ZERO]
Stb
0
0: zeroing allowed when
unstable
1: zeroing not allowed

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when unstable
Press [HOLD] or
[SWITCH] to change.
Backlighting setup
Press [ZERO]
Aut
1
0: Manual
1: to Auto
press [HOLD] or [Switch] to
change.
Sets units
Press [ZERO]
CHt
1
0: lb
1: kg
Save results
Press [ZERO]
YES
0
0: don’t save
1: save
Press [HOLD] or
[SWITCH] to change.
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Press [ZERO]
Automatic re-start
Schematics
Dimensions of JC (15T, 20T, 30T)

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Model
L
F
C
G
D
JC-15t
897
135
85
270
60
JC-20t
984
150
90
270
73
JC-30t
1072
150
120
310
102
Dimensions of JC（600KG-15T）

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Model
L
F
C
G
D
JC-600
590
76
47
167
40
JC-1000
590
76
47
167
40
JC-2000
590
76
47
167
50
JC-3000
590
76
50
167
50
JC-5000
683
80
60
176
52
JC-10t
787
90
70
191
52
JC-15t
917
135
85
196
60

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Optional Accessories
Key pad functions of remote control (This is for the scales with remote
control)
【Zero】: To zero the displaying weight.
【Hold】: Keep the current displaying weight and the indicating lamp will be lit.
【+/BL】: Turn on the backlighting. . (Only applies when the scale has a LCD display.)
【SW】: Change the division value between measured division and hi-resolution division.
Note: This remote control is optional. Please state whether you need the
remote on your purchasing order.
Please extend the antenna before using the remote control.
Power Source: The remote control uses 9V/6F 22 layer-built battery.
Error Information
Err0: The calibration data should not less than 4 digits. Or the data will be invalid.
Err1: The calibration data should not exceed the data 65536

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Er2; There is incorrect password to modify the calibration data.
Err3: The weight value at the calibration point is too small. It should be no less than 3 valid digits.
Err4: Incorrect calibration password. Please input the correct password.
Err5: The internal code at the calibration point is too small. The valid internal code is from 3000 to
65536.
Fault analysis by checking the internal code
Press [Zero] to power on the scale, it will first show “Ad”. Then unpress the key, it will show the
internal code. If there is no load on the scale, the internal code should be between 6000 and 8000.
If the internal code is not in the range from 6000 to 8000, please send the scale back to your
supplier for repair.
★The products are subject to change without notice.