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Pur•Chek™ Pro O

peration and Maintenance Instruction Manual

4 P/

N 2

100-9001 Rev 2

Sample gas is admitted into the instrument through one of the two supplied sampling hos

e configurations

and presented to the sensing device. The instrument provides the user with direct percent-by-weight

concentrations.

NOTE: The i

nstrument does not consider air to be a contaminant.

The i

nstrument interface to the user consists of an LCD graphic display, status indicator lamps, push-

button communication switches, and an alarm horn. Alarm indicators provide alerts of instrument fault

conditions. Direct percent-by-weight concentrations of the sample refrigerant are provided on the display,

which also provides user directions and prompts. A built-in printer is provided to print an on-the-spot

analysis report.

The Bacharach Pur•Chek™ Pro provides the refrigerant technician with:

• refrigerant type

• refrigerant purity

• refrigerant contamination information

• potential flammability information.

2. Specifications

Table 2-1. Specifications

Category Description

Sample Parameters Vapor only, oil-f

ree, 500 psig maximum

Identified Refrigerants

12, R408A, R409A, R417A, R421A, R421B, R422A, R422B, R422C,

R427A, R600a

(Due to similar formulas, R417A and R421A may be identified as either R417A or R421A)

Identified and Analyzed

efrigerants

R134a, R22, R404A, R407C, R410A

Sensor Technology N

on-Dispersive Infrared (NDIR)

Refrigerant Sample Size 0.

3 ounces (8.5 grams) per sample

Power

xternal Power Supply 100-240 V~, 50/60 Hz, 0.6 A

Optional External Battery Charger 100

-240 V~, 50/60 Hz, 1.95 A

DC Supply Requirements

9-15 VDC, 2 Amps minimum

Environmental

onditions

Humidity: 0 to 95% RH non-condensing.

Protect the unit by keeping it in the storage case when not in use.

Do not expose unit or external components to rain or moisture.

Operational

emperature

50-110° F

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