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Model: NA3 | Category: Single-Point Bench Scale Load Cell
The NA3 Large Square Hole Bench Scale Load Cell is a single-point weighing sensor specifically designed for large-size, large-platform electronic bench scales. Featuring robust construction, strong overload capacity, and a high protection class of IP66/IP67, it is suitable for relatively complex environments such as factory workshops, warehouses, and logistics that require reliable measurement. Its unique large square hole design facilitates stable installation with the scale platform, making it an ideal core component for industrial and commercial large square hole bench scales.
Core Advantages: Specifically designed for large square hole bench scales, easy installation; High protection class (IP66/67),适应 harsh environments; Strong overload capacity, safe and reliable; Robust construction for long-term stability.
Single-point loading structure, suitable for large square hole scale platforms
High-strength aluminum alloy or alloy steel material with strong load-bearing capacity
Fully sealed welding process, protection class up to IP66/IP67, dustproof and waterproof
Equipped with 2-meter long shielded cable for convenient on-site wiring
| Parameter | Specification | Description |
|---|---|---|
| Model | NA3 | Large Square Hole Bench Scale Load Cell |
| Rated Capacity | 60,100,200,350,500 kg | Selectable capacities |
| Zero-point Balance | ±0.0200 mV/V | Zero output accuracy |
| Rated Output | 2.0 mV/V ± 5% | Sensitivity |
| Zero Balance | ±1% F.S. | Output signal range at no load |
| Input Resistance | 410 ± 15 Ω / 390 ± 15 Ω | Resistance between excitation terminals (two specifications) |
| Output Resistance | 350 ± 5 Ω | Resistance between signal terminals |
| Excitation Recommended | 5 – 12 VDC | Recommended operating voltage |
| Excitation Maximum | 15 VDC | Maximum allowable voltage |
| Operating Temp.Range | -20 ~ +60 ℃ | Temperature range for guaranteed performance |
| Insulation Resistance | > 5000 MΩ (50VDC) | Insulation between housing and circuit |
| Safe Overload | 150% of R.C. | Safe use overload |
| Ultimate Overload | 200% of R.C. | Ultimate overload, may cause damage |
| Linearity Error | ≤ 0.02 % of R.O. | |
| Repeatability Error | ≤ 0.02 % of R.O. | |
| Hysteresis Error | ≤ 0.02 % of R.O. | |
| Creep in 30 Min. | ≤ 0.02 % of R.O. | Output signal change under constant load |
| Protection Class | IP66 / IP67 | Dustproof, protected against powerful water jets / short-term immersion |
| Temp.Effect on Zero | ≤ 0.003 % of R.O. / ℃ | Effect on zero point per 1℃ temperature change |
| Temp.Effect on Output | ≤ 0.002 % of R.O. / ℃ | Effect on sensitivity per 1℃ temperature change |
| Material | Aluminum Alloy; Alloy Steel | Selected based on load requirements |
| Cable | 4-wire shielded cable, outer diameter φ5mm, length 2.0 meters | Standard configuration |
Installation Feature: Specifically designed for scale platform base plates with large square holes. Typically installed using bolts passing through the square hole from below to connect with the sensor, ensuring stable and secure installation.
Standard Cable:
4-Wire Shielded Cable x 2.0m
Red (Red): Excitation voltage positive (E+)
Black (Black): Excitation voltage negative (E-)
Green (Green): Signal output positive (S+)
White (White): Signal output negative (S-)
Shield (Shield): Recommended to connect to instrument housing or system ground
Industrial large-platform electronic bench scales, platform scales
Heavy object weighing platforms for warehousing and logistics
Material checkweighing platforms on production lines
Internal workshop goods handling and weighing
Other weighing equipment requiring large square hole installation
Qingsi Electronic Technology Co., Ltd. provides customization services based on your specific needs:
Custom other rated capacities (e.g., 100kg, 300kg, 1t)
Custom different cable lengths (e.g., 1m, 3m, 5m)
Provide versions with different connectors (e.g., aviation plugs)
Special material treatment (e.g., stainless steel for corrosive environments)
Qingsi Electronic Technology Co., Ltd. All technical specifications subject to change without notice.
For inquiries and technical support: Manager Chen | Tel: +86 15106111829
型号：NA3 | 类别：单点式台秤传感器
NA3大方孔台秤传感器是一款专为大尺寸、大台面电子台秤设计的单点式称重传感器。产品结构坚固，过载能力强，防护等级高达IP66/IP67，适用于工厂车间、仓库、物流等环境相对复杂但需要可靠计量的场合。其独特的大方孔设计便于与秤台进行稳固安装，是工业及商用大方孔台秤的理想核心部件。
核心优势：专为大方孔台秤设计，安装便捷；高防护等级（IP66/67），适应恶劣环境；过载能力强，安全可靠；结构坚固，长期稳定性好。
单点式受力结构，适用于大方孔台秤平台
高强度铝合金或合金钢材质，承载能力强
全密封焊接工艺，防护等级达IP66/IP67，防尘防水
配备2米长屏蔽电缆，方便现场布线
| 参数 | 规格 | 描述 |
|---|---|---|
| 型号 | NA3 | 大方孔台秤传感器 |
| 额定量程 (Rated capacity) | 60、100、200、350、 500 kg | 可选量程 |
| 零点平衡 (Zero-point balance) | ±0.0200 mV/V | 零点输出精度 |
| 额定输出 (Rated Output) | 2.0 mV/V ± 5% | 灵敏度 |
| 零点输出 (Zero Balance) | ±1% F.S. | 无负载时的输出信号范围 |
| 输入电阻 (Input Resistance) | 410 ± 15 Ω / 390 ± 15 Ω | 激励端子间的电阻（两种规格） |
| 输出电阻 (Output Resistance) | 350 ± 5 Ω | 信号端子间的电阻 |
| 推荐激励电压 (Excitation Recommended) | 5 – 12 VDC | 建议工作电压 |
| 最大激励电压 (Excitation Maximum) | 15 VDC | 最大允许电压 |
| 工作温度范围 (Operating Temp.Range) | -20 ~ +60 ℃ | 保证性能的温度区间 |
| 绝缘电阻 (Insulation Resistance) | > 5000 MΩ (50VDC) | 壳体与电路间绝缘性能 |
| 安全过载范围 (Safe Overload) | 150% of R.C. | 安全使用过载 |
| 极限过载范围 (Ultimate Overload) | 200% of R.C. | 极限过载，可能造成损坏 |
| 非线性误差 (Linearity Error) | ≤ 0.02 % of R.O. | |
| 重复性误差 (Repeatability Error) | ≤ 0.02 % of R.O. | |
| 滞后误差 (Hysteresis Error) | ≤ 0.02 % of R.O. | |
| 30分钟蠕变 (Creep in 30 Min.) | ≤ 0.02 % of R.O. | 负载恒定时输出信号的变化 |
| 防护等级 (Protection Class) | IP66 / IP67 | 防尘，防强烈喷水/短时浸水 |
| 零点温度影响 (Temp.Effect on Zero) | ≤ 0.003 % of R.O. / ℃ | 温度每变化1℃对零点的影响 |
| 输出温度影响 (Temp.Effect on Output) | ≤ 0.002 % of R.O. / ℃ | 温度每变化1℃对灵敏度的影响 |
| 材质 (Material) | 铝合金；合金钢 | 根据负载要求选择 |
| 电缆线 (Cable) | 4芯屏蔽线，外径φ5mm，长度 2.0米 | 标准配置 |
安装特点： 专为带有大方孔的秤台底板设计，通常使用螺栓从下方穿过方孔与传感器连接，安装稳定牢固。
标准电缆：
4芯屏蔽电缆 x 2.0米
红 (Red)： 激励电压正极 (E+)
黑 (Black)： 激励电压负极 (E-)
绿 (Green)： 信号输出正极 (S+)
白 (White)： 信号输出负极 (S-)
屏蔽层 (Shield)： 建议接仪表外壳或系统地
工业用大台面电子台秤、平台秤
仓储物流用的重物称重台
生产线上的物料检重平台
车间内部货物搬运称重
其他需要大方孔安装方式的称重设备
青思电子科技有限公司可根据您的具体需求提供定制服务：
定制其他额定量程
定制不同长度的电缆线（如1米， 3米， 5米）
提供不同接插件（如航空插头）版本
特殊材质处理（如不锈钢材质用于腐蚀环境）
青思电子科技有限公司. 所有技术规格如有变更，恕不另行通知。
咨询与技术联系：陈经理 | 电话：86 15106111829
