Snowrex PS 20 User manual

RS232C Specifications & connections
A. Specification :
Baud rate : 2400 /9600
Parity : none
Data bit : 8
Stop bit : 1
C. Connections : DB-09 Male
pin no. 2 5 others
TXD GND NC
B. Data format :
( 20% of Cap.)
Error message
Symptom Cause Solution
Over load :
*Weighing range exceed >Unload scale or reduce preload
Under load :
*Weighing pan not in place >Ensure the weighing pan is correctly
installed and surrounding parts are
not touching
*Weighing range zero below >Set scale to zero
*Contact between weighing >Apply pre-load
Zeroing not possible :
*Zeroing outside the zero >Ensure that zeroing is performed
setting range in the admissible range
N0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
G R SP X X X X X X X SP k/l g/b CR LF
N T SP X X X X X X X SP k/l g/b CR LF
T A SP X X X X X X X SP k/l g/b CR LF
Q T Y SP X X X X X X SP P C S CR LF
A P W 1 0 0 0 SP X X X X X X X SP k/l g/b CR LF
CR LF
CR LF
CR LF
CR LF
CR LF
Characters denoted by" X " are characters 0~ 9.
Leading zeros arereplaced with spaces " SP ".
7
Bench Scale
Model: PS 20
PS2001SR
Operating Manual

1
You have purchased a quality precision weighing instrument that requires handling with care.
Read entire contents of this Operating Manual prior to operating your new instrument.
Disclaimer Notice
Calibrate your instrument using reference weights of the appropriate tolerance (class).
An instrument can be no more accurate than the standard to which it has been compared.
For assistance in the selection of reference weights, please contact the factory.
Caution: Changes or modifications not expressly approved by the manufacturer
could void the user's authority to operate this equipment.
Introduction
Thank you for choosing one of our instruments. Your instrument is designed and
manufactured to the most rigorous standards in order to give you years of service.
First, check the contents of the shipping carton. You should find the following :
* Manual * Instrument * AC Adapter
Next, follow the instructions for installing your instrument.
Now you are ready to begin using your instrument. To take advantage of its many features,
carefully read your operating manual.
It contains step-by-step procedures, examples, and other vital information.
Warning: Use of this product in a manner not specified by the manufacturer may impair any
safety protection provided by the equipment!
6
C. Backlit
30 minutes after
Auto lighting while loading
Active
None
None
Baud rate 9600
Baud rate 2400
E. Baud rate
D. Print output
Manual
F. Units kg only
kg/lb
Programme
Press and hold any key while powering ON. The display will shows
Press key goes to programme sequence.
Press key for parameter selecting and
Press key for setting and goes to next step. The programme sequence as follows:
B. Auto power off None
5 minutes after
10 minutes after
20 minutes after
Shown on the dislpay:
A. Auto zero None
ATZ 1d
ATZ 2d
U
T
U

3 4
Function keys
Captures a new center of zero.
Reduce gross weight on pan as tare weight.
Used for parts counting.
Turns instrument On.
Turns instrument Off.
ON
OFF
U
0
T
Can be used for print out. ( option )
Operation
1. Taring ( Zeroing )
All models have taring ( zeroing ) capabilities up to their total weight capacity.
To weigh a sample in it's container with the display showing the weight of the
sample use the following Zero ( tare ) procedure.
a. Place sample container on pan and then press key.
b. Now place sample in it's container.
c. When the balance is stable, the display shows the weight of the sample.
2. Counting Function
a. Count the desired amount sample pieces (10, 20, 50 or 100 total pieces )
b. Pres key to display total count numbers of 10, 20, 50 or 100.
This number will cycle, press key gain to select sample size once
It is displayed. The arrow at the bottom of the display will point to " PCS ".
c. You are now ready to perform parts counting of those specific pieces.
Press key for the total weight.
Repeat step athrough cfor each type of piece to be counted.
T
kg
lb
NET
ON OFF
U
0
0PCS
CHARGE
*F
PS 20
F
*
This key usedfor piece countsampling.
Function key
Optional key
F

52
Calibration
The system goes to Calibration mode.
4. Press key goes to SPAN mode.
6. Put on the calibrating weight in kg.
( Span value to be 50000 ~ 150000 at full capacity )
7. Press key to cycle through a list of permissible weights.
When the weight on the scale is displayed, press key
1. Please have the jumper Jp3 switch OFF
before you start to calibrate weight.
8. After finish the weight calibration, make the Jp3 switch ON.
Now you are ready to weigh.
( Offset value to be displayed around 5000 ~ 50000 )
5. Press key to make display to zero.
the weight calibrating to be done.
2. Press and hold any key while powering ON.
3. Press key goes to CAPACITY mode.
Press key to select Maxium Capacity.
T
T
T
T
0
U
Preparation
This product is intended for indoor use.
*Select a suitable work area.
*Work area should be relatively free from drafts and vibrations.
*Work surface should be level and rigid.
*Do not locate near magnetic material or equipment/instruments which use magnets
in their design.
*Avoid area which have variations in room temperatures or have excessive room
instrument operation and accuracy.
Specifications
Model PS 20
Readability 6000d
Display LCD, height 25mm
Power Supply 9V/500mA, AC adapter
Built in 6V Rechargeable-battery.
Battery operating limited at 5.5V and display will show
. In this time the instrument should be charged.
Ambien Temperature 0~40 85 RH
Shown on the dislpay:
Range 30kg/60kg/120kg/300kg/600kg/1200kg/3000kg
60lb/120lb/240lb/600lb/1200lb/2400lb/6000lb
temperatures. Room temperaturesabove 40 orbelow 0 could be affect
Installation
Remove instrument and accessories from the carton.
Save packing material for transportation purposes.
*If using the AC adapter, insert power cord into the receptacle located on the rear
left side. Firmly push in the plug.
*Allow the instrument to warm up for 30 minutes prior to use.
Your instrument features a numeric display that continuously shows your weighing
results.