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Used for determining aqueous-phase activity of emulsified water

The Aqueous Phase Activity Kit is used to determine aqueous-phase activity of emulsified water using an electro hygrometer by the method described in American Petroleum Institute publication API Recommended Practice RP 13B-2.

The kit includes special flasks and adapters and premixed saturated salt solutions (relative humidity standards) for use in calibrating the hygrometer.

Digital Thermo-Hygrometer

The Thermo-Hygrometer provides readings with high precision in a very short time for both RH (Relative Humidity) and temperature. The detachable RH probe is housed in a rugged ABS cylinder with a thin-film polymer humidity sensor and a signal amplifier. A perforated cap on the probe allows the air to circulate while it protects the sensor. This unit is specially designed for controlled environment applications. The smooth membrane keyboard has 4 keys that make operation simple and quick. A large LCD displays readings in easy-to-read digits each with a symbol next to it to identify the operating mode.

This hygrometer is supplied complete with RH probe with internal temperature sensor, 2 m (6.6 ft) cable, battery, and instructions.

Ordering Information

Part No. 204197 Aqueous Phase Activity Kit

Part No. 206671 Digital Electro Hygrometer


Range10.0 to 95.0% RH; 32 to 140°F (0.0 to 60.0°C)
Resolution0.1% RH; 1°F (0.1°C)
Accuracy (@20°C/68°F)2% RH; 1°F (0.4°C)
ProbeThin film polymer sensor Relative Humidity Probe
Battery Type / Life9 volt battery/ 100 hours of continuous use
Environment32 to 122°F (0 to 50°C); RH 98% non-condensing

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