Máy đo điện trở bề mặt SRM-110 Wolfgang Warmbier
This SRM 110 from Wolfgang Warmbier uses parallel electrodes and concentric rings to accurately measure RTT, RTG, or resistivity for periodic verification, factory audits or test lab evaluation of product. This meter is designed to verify incoming materials such as floor mats, table mats, bins and shelving in static controlled areas. Work surfaces, bags, wrist straps, footwear, packaging materials, garments, and ESD chairs can also be tested with the device. The SRM110 meets periodic test requirements per Compliance Verification ESD TR53 and conforms to ANSI/EOS/ESD (S4.1, S7.1, S12.1, S2.1)
• Test range: 10^3-10^12
• Test voltage: 10V/100V(automatic ranging)
• Accuracy + 5%
• Built in resistivity probes
• Carrying case & Calibration Certificate Included
The Pinion/Voyager model SRM-110 Combination Surface Resistivity meter is a simple to use, highly repeatable measuring device for determining the surface resistivity of materials, as well as resistance to ground. The SRM-110 incorporates a revolutionary threepoint probe measuring technique, enabling accurate, consistent, and repeatable surface measurements. The principle of operation is as follows:
A voltage, V(30 Volts), is applied to each of the three outer probe contacts (Figure 1). The center probe contact (spring loaded) provides a ground return of the current supplied by the three outer probe contacts.
Power supply: Rechargeable NiCad or nickel metal hydride batteries (4 “C” size).
Test Voltage: 30 Volts +/- 2 Volts current limited to 2 mA.
Contact Area: 0.0123 sq in/probe
Contact Pressure: 40-lbs/sq in/probe.
Contact material: Conductive rubber.
Dimensions: 3”H x 4”D x 5” W
Weight: 2 pounds
10^4 <10^4
10^5 10^4.4 – 10^5.5
10^6 10^5.5 – 10^6.5
10^7 10^6.5 – 10^7.5
10^8 10^7,5 – 10^8.5
10^9 10^8.5 – 10^9.5
10^10 10^9.5 – 10^10.5
10^11 10^10.5 – 10^11.5
10^12 10^11.5 – 10^12.5
10^12.5 >10^12.5
Accuracy: Indicated exponent +/- .3
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