Abstract: A tether for securing a variety of instruments. The tether may include a band sized to fit a human wrist, a lanyard formed as a continuous, closed loop, an interface connecting the lanyard to the band, and a lock. The lock may adjustably pinch the lanyard to form two sub-loops therefrom. By adjusting the location where the lock pinches the lanyard, the size of one sub-loop may be continuously increased or decreased, while the size of the other sub-loop may be simultaneously, continuously, and respectively decreased or increased. Accordingly, by adjusting the location where the lock pinches the lanyard, the size of the one sub-loop may continuously vary between a minimum size and a maximum size. In one embodiment, this minimum size may corresponding to an interior diameter within the one sub-loop of substantially zero.

Abstract: An automatic fluid sampling and monitoring apparatus provided as a unitary structure, and capable of collecting fluid samples at selected intervals, monitoring the level of a condition of the fluid at selected intervals, and collecting and storing sampling and fluid condition data for later retrieval. Sampling operations may be controlled on the basis of time and/or levels of a fluid condition being monitored. Where the apparatus also incorporates an internal flow measuring assembly, or is connected with an external flow meter, sampling operations may also be controlled on the basis of flow rate. The apparatus includes a self-contained microprocessor for automatically controlling sampling operations, calculating fluid condition levels on the basis of signals from a sensor, and storing data relating to sample collection and the fluid condition.

Abstract: An automatic liquid sampling and flow measuring apparatus provided as a unitary structure within a case, and capable of collecting liquid samples at selected intervals, measuring flow rate through a channel at selected intervals, and collecting and storing sampling and flow rate data for later retrieval. The apparatus is provided with its own self-contained microprocessor for automatically controlling sampling operations, calculating flow rate on the basis of signals from a sensor, and storing data relating to sample collection and flow rate measurement. The stored data can be called up on a display of the apparatus, or can be transferred via a portable transfer unit to an external output device, such as a printer capable of producing a hard copy of the data.