By:SourceFactoriesImporters and distributors evaluating hand-held weighing load cell indicators now have a concrete reference point: the LP7657 from Locosc Ningbo Precision Technology Co., Ltd. Listed at US$70.00–75.00 per unit, the digital monitoring and pegging…
At a Glance
- Model LP7657 — hand-held digital load cell indicator for monitoring and pegging
- Full-scale load ranges: 2 / 5 / 10 / 20 / 50 / 100 / 200 / 500 N
- Indexing resolution from 0.001 N (range dependent)
- Non-linearity: ±0.2% of full scale
- ADC rate 1000 Hz, sampling rate 960 Hz
- Power: lithium battery 3.7 V / 3000 mAh, internal sensor
- Peak hold configurable 0–99 seconds, automatic shutdown 0–99 minutes
- Operating temperature 0°C to 40°C, storage -20°C to 70°C, humidity 15%–80% RH
Product Description
For procurement teams sourcing hand-held force measurement tools, the LP7657 offers a compact flat-type design measuring 172.8 mm × 72 mm, with the sensor integrated inside the housing. It is supplied without a bracket and is categorized as a bar-type spring dynamometer for scales and general mechanics applications. The device displays readings digitally in Newtons (N), kilograms-force (Kgf), or pounds-force (Lbf), with an ADC conversion rate of 1000 Hz and a sampling rate of 960 Hz — parameters that matter for dynamic force capture in product manufacturing lines.
Key specifications from the supplier’s data sheet are summarized below. Buyers should verify actual performance for specific load ranges, as indexing values vary from 0.001 N to 0.1 N depending on the selected full-scale capacity.
| Parameter | Supplier Value |
|---|---|
| Model No. | LP7657 |
| Load F.S. | 2 / 5 / 10 / 20 / 50 / 100 / 200 / 500 N |
| Indexing | 0.001 / 0.005 / 0.01 / 0.05 / 0.1 N (per range) |
| Non-Linearity | ±0.2% |
| Units | N, Kgf, Lbf |
| ADC Rate | 1000 Hz |
| Sampling Rate | 960 Hz |
| Power | Lithium Battery, 3.7 V / 3000 mAh |
| Sensor | Inside |
| Peak Hold | 0–99 seconds |
| Automatic Shutdown | 0–99 minutes |
| Work Temperature | 0°C ~ 40°C |
| Store Temperature | -20°C ~ 70°C |
| Relative Humidity | 15% ~ 80% |
| Specification | 172.8 mm × 72 mm |
| Bracket | Without Bracket |
| Structure | Flat Type |
| Customization | Customized |
Transport packaging uses foam and carton, and the HS code is 8423829090. Production capacity is listed at 50,000 pieces per year, with origin China (Mainland). All units are branded LOCOSC.
Installation & Operation Notes
The LP7657 is a hand-held instrument; no bracket is included, so operators hold the gauge directly during measurement. The flat-type structure and internal sensor keep the footprint minimal, but the work environment must be free of vibration and corrosive media to maintain rated accuracy. Do not deploy this device in conditions outside the specified operating temperature range of 0°C to 40°C, and store it only between -20°C and 70°C at 15%–80% relative humidity.
Power is supplied by a rechargeable lithium battery rated 3.7 V / 3000 mAh. The automatic shutdown timer can be set from 0 to 99 minutes to preserve battery life. For capturing transient forces, the peak hold function can be adjusted from 0 to 99 seconds. Users can switch units among N, Kgf, and Lbf directly on the digital display. Refer to the supplier’s user manual for calibration and menu navigation details.
Given the ±0.2% non-linearity and 1000 Hz ADC rate, the device is best suited for static or slowly varying force checks rather than high-frequency impact testing. Confirm actual calibration certificates and firmware versions before final acceptance.
Applications
According to the supplier, the LP7657 targets mechanics and product manufacturing applications where hand-held force verification is required. Typical use cases include spring testing, scale calibration checks, and inline force monitoring on assembly fixtures. Because the spring dynamometer species is listed as bar type, the gauge is likely applied in tension or compression force measurement for small components, but buyers should request application notes to confirm compatibility with specific test rigs.
The unit’s multiple load ranges (2 N to 500 N) allow it to cover a wide span of force values, while the selectable indexing down to 0.001 N supports fine resolution at the low end. For importers distributing to quality control departments, the key selling points are the rechargeable battery, multi-unit readout, and peak hold capability. No vibration and corrosive medium restrictions mean clean, bench-top environments are preferred.
Company Profile
Locosc Ningbo Precision Technology Co., Ltd. is a manufacturer and exporter of weighing equipment, including floor scales, load cells, bench scales, platform scales, weighing indicators, truck scales, and weighbridge sensors. The company’s product portfolio suggests a focus on precision measurement for industrial and commercial applications. Buyers should request company certifications and trade references directly from the supplier.
CTA
Importers and distributors comparing hand-held load cell indicators should move quickly to secure current pricing and sample availability for the LP7657. Contact Locosc Ningbo Precision Technology Co., Ltd. now to confirm the exact indexing values for your target load range, customization options, and lead time. Evaluate whether the 960 Hz sampling rate and peak hold settings meet your customer’s quality control requirements before competitor price adjustments occur.
Disclaimer
All specifications in this article are sourced from the supplier’s published product data. Final engineering approval requires direct confirmation with the manufacturer or authorized distributor. Verify calibration procedures, battery life under actual usage, and compliance with any regional standards before deployment. The listed price range is subject to change and may vary with customization and order volume.
Related product: Digital Monitoring and Pegging Hand-Held Weighing Load Cell Indicator
