Components; Base Unit; Low Side Vapor Sample Hose; High Side Liquid Sample Hose - Bacharach PUR-CHEK PRO Manual

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Operation and Maintenance Instruction Manual

Components

The Pur•Chek™ Pro base unit (shown in Figure 3-1) houses the graphic display, infrared bench, internal

battery, electrical connections, and printer module. These components require no maintenance.

IMPORTANT:

disassembly will void the warranty.

The 6.5 foot (2 meter) low side vapor sample hose configuration is constructed of a polyurethane tube.

See Figure 3-2. A brass flow restrictor acts to reduce pressure at the sample connection point and

reduce the introduction of harmful oil into the machine. The maximum inlet pressure is 500 psig. The hose

is provided with an instrument inlet port mating connector on one end and a 1/4" SAE female flare

coupling nut on the service end.

Analyzer End

The 6.5 foot (2 meter) high side sample hose configuration is constructed of a polyurethane tube with an

oil reservoir. A brass flow restrictor acts to transform liquid refrigerant to vapor at the sample connection

point while the oil trap syringe collects oil and provides a means of expulsion after the test is complete.

The maximum pressure is 500 psig. The syringe is provided with a magnet for attaching it to the tank. It

also is provided with an instrument inlet port mating connector on one end and a 1/4" SAE female flare

coupling nut on the service end. Refer to Figure 3-3.

P/N 2100-9001 Rev 3

There are no serviceable components internal to the instrument, and

Service End

(1/4" SAE

Flare Nut)

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