PW-200 Digital Portion Control Scale
User Manual
Model : PW -200
US V1.0
PRECAUTIONS
Please be aware before use the scales to avoid any danger and damages. * Object can be modified without notice
• Extreme caution
Might can get serious damage.
• Content of sign
Never do. Prohibition
Disassemble is not allowed.
Must follow the steps
Warning 
Please keep the follow things.
Extreme cautions
Cautions 
Preface
Acorn Inc. would like to thank you for purchasing ACOM product model name PW-200 simple weighing scale. We are committed to create the high quality and low maintenance required products to supply ACOM customers with diligent customer services.
Specification
| Model | PW-200(6) | PW-200(15) | PW-200(30) | PW-200(60) |
| Maximum capacity | 6 lb | 15 lb | 30 lb | 60 lb |
| Minimum graduation | 0.002 lb | 0.005 lb | 0.01 lb | 0.02 lb |
| Maximum tare weight | – 61b | -15 lb | – 301b | – 601b |
| Auxiliary Capacities – – |
96 x 0.05 oz 3,000 x 1 g 3 x 0.001 kg |
240 x 0.1 oz 6,000 x 2 g 6x 0.002 kg |
480 x 0.2 oz 15,000 x 5 g 15 x 0.005 kg |
960 x 0.5 oz 30,000 x 10 g 30 x 0.01 kg |
| A/D conversion speed | 10 Updates / SEC | |||
| Internal resolution | 1 / 60,000 | |||
| Display type | LCD display | |||
| Power source | D size battery 1.5V x 4EA(6V) , 9V/300mA DC Adaptor | |||
| Operating time | Alkaline Battery : 2500 hr | |||
| Operating temp | -10°C — 40°C 114°F — 104°C | |||
| Keys | UNIT, TARE, ZERO, ON/OFF | |||
| Communication | RS-232C | |||
| Power consumption | 0.05 Watt | |||
| Stainless weighing pan (in/mm) | (W)11.81 x (D)10.43 / (W)300 x (D)265 | |||
| Product size (in/mm) | (W)9.64 x (D)10.86 x (H)4.33 / (W)245 x (D)276 x (H)110 | |||
| Product weight | 5.51 lbs / 2.5 kg | |||
| Option | RS-232C interface , Customer(Rear) Display | |||
Installation and precaution
- PLACE THE SCALE ON THE FLAT AND RIGID SITE WHERE FREE OF VIBRATIONS.
- PLEASE AVOID THE RADIO DEVICES WHICH EMITS STRONG ELECTROMAGNETIC FIELDS NEAR BY TO INSTALL.
- DO NOT APPLY SUDDEN IMPACT ONTO THE WEIGHING PAN.
- DO NOT SPILL THE WATER TO THE SCALE.
- DO NOT USE CLEANERS INCLUDE SOLVENT OR SINNER.
- THIS PRODUCT HAVE TO GET THE PERIODIC INSPECTION OBLIGATORILY, PLEASE MAKE A PROOFREADING PERIODICALLY.
Name for each parts
Key & Function
DISPLAY & KEYBOARD
FUNCTION
Power : ON/OFF
UNIT : This key is used to convert the unit of weight lb —) oz —, g —) kg —, lb
This key is used to set the tare or delete the tare *Tare = A container
This key is used to correct the weight to zero
The designators
| Designators | Meaning |
| ZERO | It desigates the weight is zero |
| STABLE | It designates the weight is stable |
| NET | It designates the tare set |
| Bat | It designates when the battery need to be changed |
| lb | It designates unit of weight is pound |
| oz | It designates unit of weight is ounce |
| g | It designates unit of weight is gram |
| kg | It designates unit of weight is kilogram |
Designators Meaning ZERO It desigates the weight is zero STABLE It designates the weight is stable NET It designates the tare set Bat It designates when the battery need to be changed lb It designates unit of weight is pound oz It designates unit of weight is ounce g It designates unit of weight is gram kg It designates unit of weight is kilogram
How to use
1. General weighing
Please check the designators that “ZERO” and “STABLE” before weighing 
- Put the goods on the weighing pan
- Read the correct value after the “STABLE” sign turned on
- Remove the goods on the weighing pan
2. Weighing with TARE function
- Place the tare on the weighing pan
- Press the “TARE” key, then weight will be “0” and the designator NET will be turened on
- Put the goods on the tare (A container) Read the correct value after the “STABLE” sign turned on
- Remove the tare(A container) and goods, then the display will show the weight of the tare with ” – ” sign
- If you do not want to use the tare then press “TARE” key then the sign of tare will be turned off
3. Converting unit of weight
You can select one of Ib, oz, g and kg by “UNIT” key. (Defulat setting is Ib)
- Turn on the scale
- Press “UNIT” key
- Display shows lb, oz, g and kg, please select by “UNIT” key
– Display –
* A current unit of weight is saved automatically into the memory.
4. Error table
| ERROR | Meaning | Solution | |
| Zero | Zero initializing failure | Remove the weight on the weighing pan then restart the scale | Otherwise, call the service |
| EEP | Memory IC error of the circuit | Call the service | |
| AdC | Analogue circuit error | Call the service | |
| PArA | Memory loading failure | Call the service |
User parameters (Distributors & dealers only)
How to set the user parameter
- Turn on the scale while “UNIT” key is being pressed.
- Press “UNIT” key.
- In this mode,
“UNIT” key acts as Enter,
“TARE” key acts as Inc(In creament),
“ZERO” key acts as Shift.
1. Display, Function
| UP-1 | Value | Function explanation |
| 5 | Count down —> battery voltage —> weighing mode | |
| 25 | Count down —> weighing mode |
2. Off time
| UP-2 | Value | Function explanation | Value | Function explanation |
| x0 | No off | x5 | 5 min | |
| x1 | 15 sec | x6 | 10 min | |
| x2 | 30 sec | x7 | 20 min | |
| x3 | 1 min | x8 | 30 min | |
| x4 | 2 min |
3. RS-232C mode
| UP-3 | Value | Function explanation |
| 21 | Hand shake mode, Baudrate : 9600 bps (default setting) | |
| 1 | Stream mode at stable, Baudrate : 9600 bps | |
| 11 | Stream mode at every A/D conversion, Baudrate : 9600 bps |
4. RS-232C protocols 0-6, Contact your dealer for more information.
PW-200 Calibration Manual
Span calibration
*CAL switch is located underneath of body.
Span Setting
1. Press “ON/OFF” key while CAL switch is being pressed
2. Press “Unit”(Yes) key four times until the scale displays
The display will then quickly turn to 
3. Span calibration
Press “Unit”(YES) key, “STABLE” designator will be on
Place the full load (max capacity) on the platter
Press “Unit”(YES) key, “STABLE” designator will be on
Span calibration is finished.
Email: GoUSApos@gmail.com, C Phone:201. 679. 7793
ACOM Inc.
15th, 101 YUGYO-RO, GUNNAE-MYUN
POCHEON-SI, GYEONGGI-DO
KOREA POSTAL CODE 11157
http://www.acominc.co.kr
Copyright 2018. All rights reserved.
Documents / Resources
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ACOM PW-200 Digital Portion Control Scale [pdf] User Manual PW-200 Digital Portion Control Scale, PW-200, Digital Portion Control Scale, Portion Control Scale, Control Scale |
