Introduction
This manual provides comprehensive instructions for the proper setup, operation, and maintenance of your Citizen CZ1200 NTEP Approved Jewelry Scale. Designed for precision and reliability, this scale is certified legal for trade, making it suitable for professional jewelry and gold weighing applications. Please read this manual thoroughly before using the device to ensure optimal performance and longevity.
Figure 1: Citizen CZ1200 NTEP Approved Jewelry Scale. This image shows the scale with its stainless steel weighing platform and digital display.
Setup
1. Unpacking
Carefully remove the scale and all accessories from the packaging. Retain the packaging for future transport or storage.
2. Power Connection
Connect the provided AC adapter to the power input port on the scale and then plug it into a standard electrical outlet. Ensure the connection is secure.
3. Placement
Place the scale on a stable, level, and vibration-free surface. Avoid locations with direct sunlight, drafts, or significant temperature fluctuations. The scale features a built-in level indicator; adjust the leveling feet until the bubble is centered within the indicator for accurate measurements.
4. Initial Power-On and Stabilization
Press the ON/OFF button to power on the scale. Allow a few minutes for the scale to warm up and stabilize before performing any measurements. This ensures optimal accuracy.
Operating Instructions
1. Powering On/Off
- To turn on: Press the ON/OFF button.
- To turn off: Press and hold the ON/OFF button until the display turns off.
2. Unit Selection
The CZ1200 scale supports multiple weighing units. Press the UNIT button to cycle through the available units:
- Grams (g)
- Carats (ct)
- Pounds (lb)
- Pennyweight (dwt)
- Ounces (oz)
- Troy Ounces (ozt)
3. Tare Function
To weigh an item in a container, first place the empty container on the weighing platform. Press the TARE button. The display will reset to zero. You can then place the item inside the container, and the scale will display only the net weight of the item.
4. Backlight Control
The scale features a programmable backlit display. Refer to the specific instructions in the full manual (if available) for details on adjusting backlight settings. Typically, a dedicated LIGHT or MODE button, or a combination of buttons, controls this feature.
5. RS232 Serial Port
The integrated RS232 serial port allows for communication with external devices such as computers, printers, or monitors. This enables data logging and printing of weighing results. Consult the technical specifications or a dedicated communication protocol guide for details on connecting and configuring external devices.
Maintenance
1. Cleaning
Regularly clean the scale, especially the stainless steel weighing platform, using a soft, damp cloth and a mild detergent. Avoid abrasive cleaners, solvents, or excessive moisture, which can damage the scale's components. Ensure the scale is unplugged before cleaning.
2. Storage
When not in use for extended periods, store the scale in a clean, dry, and stable environment. Protect it from dust, extreme temperatures, and humidity. If possible, use the original packaging for storage.
3. Calibration
As a precision instrument, the CZ1200 scale may require periodic calibration to maintain its accuracy, especially after relocation or significant temperature changes. Refer to the full product manual for detailed calibration procedures. Calibration typically involves using certified calibration weights.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Scale does not turn on | No power, faulty AC adapter, or internal issue. | Check AC adapter connection and power outlet. Try a different outlet. If problem persists, contact support. |
| Inaccurate readings | Not level, unstable surface, drafts, temperature changes, or needs calibration. | Ensure scale is level and on a stable surface. Avoid drafts. Allow warm-up time. Perform calibration if necessary. |
| Display shows "OVERLOAD" | Weight exceeds maximum capacity. | Remove excess weight immediately to prevent damage. |
| Display shows "UNSTABLE" | Vibrations or unstable environment. | Move scale to a more stable location. Ensure no external vibrations are affecting the scale. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | CZ1200 |
| Capacity | 1200 grams (g) |
| Resolution | 0.1 gram (g) |
| Weighing Units | g, ct, lb, dwt, oz, ozt |
| Certification | NTEP Approved, Class II, Legal For Trade |
| Display | Programmable Backlit Display |
| Interface | RS232 Serial Port |
| Platform Material | Stainless Steel |
| Product Dimensions | 9.75 x 7.75 x 3.25 inches |
| Item Weight | 10 pounds |
| Manufacturer | Citizen Inc. |
Warranty and Support
Manufacturer's Warranty
The Citizen CZ1200 NTEP Approved Jewelry Scale comes with a 1 Year Manufacturer's Warranty. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
Customer Support
For technical assistance, warranty service, or to inquire about replacement parts, please contact Citizen Inc. customer support. Refer to the product packaging or the official Citizen website for the most current contact information.
Note: Unauthorized repairs or modifications will void the warranty.
