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6712FR Refrigerated Sampler
Section 1 Introduction
1-7
Table 1-2 6712FR Sampler Construction Materials
Item Material
Top Cover and
Refrigerator Body
Fiberglass reinforced plastic with ultraviolet-resistant gel coat.
Plastic Retaining Rings ABS (Acrylonitrile Butadiene Styrene) plastic
Controller Case
Distributor Arm
Noryl
®
Distributor Arm Nut
Pump Rollers
Delrin
®
Control Panel
Connector Labels
Polyester
Distributor Shaft
Pump Shaft
Pump Paddles
Pump Band
Bulkhead Fitting
Latches
Metal Retaining Rings
Stainless steel
Refrigeration Tubing
Protection
Protected with polyester tubing or phenolic resin.
Condenser Protection Powder coated with polyester.
Evaporator Protection Powder coated with food-grade epoxy.
Refrigerant R134a (1,1,1,2-tetrafluoroethane CH
2
FCF
3
)
Insulation Polyurethane
Amphenol Connectors Cadmium Plated Aluminum
Table 1-3 Technical Specifications for the 6712FR Refrigerated Sampler
General Notes:
1. All weights may vary ±1 lb (±
1
/2 kg).
2. All dimensions may vary ±
1
/4 inch (±0.64 cm).
3. Sample delivery specifications valid for the following conditions and ranges, unless otherwise stated: 75°F (24°C)
ambient, sample liquid–tap water at 50 to 80°F (10 to 27°C), sample volumes from 50 ml to 1000 ml, suction line
lengths of 25 ft (7.6 m) or less, suction heads from 1 to 20 ft (0.3 to 6.1 m), atmospheric pressure between 29.92 and
31.89 inHg (760 and 810 mmHg), and a power source of an Isco High Capacity Power Pack at 12.5 volts DC no load
output.
6712 Controller, Pump, and Tubing: Mechanical Specifications
Weight of Controller: Controller only: 13.0 lbs (5.9 kg)
With pump tube: 13.2 lbs (6.0 kg)
Weight of Nickel Cadmium Bat-
tery:
4.3 lbs (2.0 kg)
Weight of Lead Acid Battery: 5.7 lbs (2.6 kg)