Nunes Instruments

Accuracy differentiate between E1, E2 , F1, F2 Class Weights ( Example 100g )
Limits of polarizationWeight Class E1 E2 F1 F2Maximum Polarization U0, M, (UT) 2.5 8 25 80Limits of magnetic susceptibilityWeight Class E1 E2 F1 F2m < 1g 0.25 0.9 10 -2g < m <10g 0.06 0.18 0.7 420g < m 0.02 0.07 0.2 0.8Maximum value Surface RoughnessWeight Class E1 E2 F1 F2Ra (m) 0.5 1 2 5Rz (m) 0.1 0.2 0.4 1Ambient Temperature during the calibrationWeight Class Temperature change during calibrationo E1 +0.3 C per hour with a maximum of 0.5 C per 12 hourso E2 +0.7 C per hour with a maximum of 1 C per 12 hourso F1 +1.5 C per hour with a maximum of 2 C per 12 hourso F2 +2 C per hour with a maximum of 3.5 C per 12 hours

Packaging

1. 401# ~ 410# 412#~414# : SS Box packing.
2. 411# ,415# ~425#, Plastic packing,( Wooden box Optional)
3. Class A3 there is no packing case: Capacity of mg: Aluminum case.

Available in: All Sizes & All Class-F1,F2,M1,A3 in different Magenetic Rate (METAL BOX PACKING)

The VT403 Surface and Volume Resistivity Meter is a versatile instrument designed to measure the electrical resistive properties of various materials used in ESD-sensitive environments. This portable meter provides accurate readings of both surface and volume resistivity, ensuring materials like packaging products, floor mats, and work surfaces comply with industry standards. The digital display clearly shows measurement values in ohms (Ω), enabling quick and reliable evaluation. Some versions of the device may also support temperature and humidity readings for more precise environmental assessments.

Key Features

• Digital display for clear resistivity readings in ohms (Ω)

• Measures both surface and volume resistivity

• Portable, lightweight, and easy to operate

• Suitable for quality control in static-sensitive environments

• Wide measurement range for different ESD materials

• Some models offer built-in temperature/humidity measurement

• Ensures compliance with ESD material specifications

Applications

• ESD-protected areas (EPAs)

• Electronics manufacturing facilities

• Packaging material quality testing

• Clean rooms and controlled environments

• Floor mats, work surfaces, and component storage inspection

• Laboratory research involving material resistivity

The LoRa Industrial IoT Gateway is a standalone, weatherproof device designed for industrial IoT network deployment. It enables continuous vibration monitoring and control across various industrial equipment. Equipped with a long-life battery supporting over 8 years of uninterrupted operation, it integrates seamlessly into industrial IoT systems for reliable remote monitoring and data communication.

Key Features:

• Supports LoRa network deployment for industrial IoT

• Weatherproof, compact, and robust design

• Continuous vibration monitoring and control

• Long-life battery (>8 years) for uninterrupted operation

• Standalone operation with easy installation

• Compatible with IoT dashboards for remote monitoring

Applications (APPLN):

• Industrial vibration monitoring and analysis

• Predictive maintenance of machinery

• Remote equipment monitoring in factories and plants

• IoT-based industrial control and automation systems

• Integration into industrial monitoring networks