Product Overview
This instrument from DESCO, the 19784 Analogue Surface Resistance Meter Kit, is a portable battery-powered measuring instrument for measuring resistance point-to-point (RTT) and resistance-to-ground (RTG). The instrument uses an automatic test voltage selector, starting at 10 V and automatically switching to 100 V when the measured resistance exceeds 1 × 10^5 ohms. The product is supplied NIST-calibrated and is manufactured in the USA.
Features and Delivery
- Analogue meter with resistance characteristic LEDs for quick readings.
- Automatic test voltage selector (10 V / 100 V) with 10 V HOLD option.
- Power supply: one 9V alkaline battery.
- Packaged test kit includes meter, 9V battery, two shielded test leads, two 5 lbs electrodes, and plastic carrying case.
- The product is NIST-calibrated and manufactured in the United States of America.
Documentation
For detailed technical information and operation/maintenance instructions, please refer to the manufacturer's technical bulletin.
Typical Applications
- Used to measure RTG (resistance-to-ground) of surfaces using one 5 lbs electrode and ground connection.
- Used to measure RTT (resistance point-to-point) on surfaces using two 5 lbs electrodes placed correctly on the surface.
- Can measure RTG and RTT for shelves, garments, floor and cart work surfaces according to the manufacturer's instructions.
Operation and Maintenance
- Hold down the TEST button to perform measurement; Test Voltage must be set to AUTO for automatic voltage selection.
- Wash electrodes according to manufacturer's instructions (min. 70% isopropanol-water solution) and replace battery when voltage is low.
- The manufacturer provides cleaning and maintenance advice in the technical bulletin and recommends periodic verification according to ESD guidelines.
Specifications
- Product Name: 19784 Analogue Surface Resistance Meter Kit
- Manufacturer: DESCO
- Resistance Ranges: 1 × 10^3 to 1 × 10^13 ohms @ 10 V; 1 × 10^6 to 1 × 10^13 ohms @ 100 V (complies with ANSI/ESD S4.1)
- Switch to 100 V when measured resistance > 1 × 10^5 ohms (automatic test voltage selector)
- Resistance Accuracy: ±1/2 decade
- Test Voltage Accuracy: ±5%
- Power Supply: 9V alkaline battery
- Operating Temperature: 5°C to 30°C (41°F to 85°F)
- Environmental Requirements: Indoor use, max altitude 2 km, max relative humidity 80% up to 30°C
- Meter dimensions: 11 cm x 7 cm x 5 cm
- Meter weight: 0.2 kg
- Carrying case kit dimensions: 24 cm x 30 cm x 9 cm; weight: 5.4 kg
- External Electrode: 5 lbs ±2 oz, 2.5" in diameter (complies with ANSI/ESD S4.1)
- Kit contents: Analogue meter, 9V battery, 2 shielded test leads, 2 five-pound electrodes, plastic carrying case
- Country of Origin: United States of America
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