Bacharach PUR-CHEK Bedienerhandbuch PDF herunterladen (Seite 9)

Operation and Maintenance Instruction Manual Pur

•Chek™ Pro

N 2100

-9001 Rev 2 5

3. Components

.1. Base Unit

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

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

IMPORTANT: T

her

e are no serviceable components internal to

the instrument, and

disassembly will void the warranty.

ure 3-1. Base Unit Showing Key Components

3.2. Low Side Vapor Sample Hose

The 8.5 foot (2.5 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.

Figure 3-2. Low Side Vapor Sample Hose

3.3. High Side Liquid Sample Hose

The 8.5 foot (2.5 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″ SA

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

Analyzer End

Service End

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Bacharach PUR-CHEK Bedienerhandbuch Seite 9