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6712SR Refrigerated Sampler
Section 1 Introduction
1-8
Weight of Nickel Cadmium
Battery:
4.3 lbs (2.0 kg)
Weight of Lead Acid Battery: 5.7 lbs (2.6 kg)
Weight of Power Pack: 6.0 lbs (2.7 kg)
Weight of Battery Backed
Power Pack:
6.6 lbs (3.0 kg)
Controller Dimensions: Length: 10.3 in (26.0 cm)
Width: 12.5 in (31.7 cm)
Height: 10 in (25.4 cm)
Temperature Ranges: Operational: 32°F to 120°F (0°C to 49°C)
Storage: 0°F to 140°F (-18°C to 60°C)
Maximum Altitude: 2,000 Meters
Installation Category: II
Pollution Degree: 2
Humidity: 95% RH Maximum
Enclosure: NEMA 4X and 6 Pump: IP17 Enclosure: IP67
Typical Delivered
Volume Accuracy:
(The ability to deliver the programmed sample volume.)
±10 ml or ±10% of programmed value, whichever is greater.
Typical Repeatability: (The ability to repeat the delivered volume for a set of samples collected
under the same conditions.)
±5 ml or ±5% of the average of the maximum and minimum sample volume
in a sample set, whichever is greater, at lifts up to 25 feet.
Typical Pump Flow Rate and
Line Transport Velocity:
Suction Head Flow Rate Line Transport Velocity
3 feet 3.9 liters per minute 3.0 ft/s (0.91 m/s)
5 feet 3.9 liters per minute 3.0 ft/s (0.90 m/s)
10 feet 3.7 liters per minute 2.9 ft/s (0.87 m/s)
15 feet 3.6 liters per minute 2.7 ft/s (0.83 m/s)
20 feet 3.3 liters per minute 2.5 ft/s (0.77 m/s)
23 feet 3.1 liters per minute 2.3 ft/s (0.71 m/s)
25 feet 2.8 liters per minute 2.2 ft/s (0.66 m/s)
Maximum Suction Head: (The maximum suction head is the vertical height at which a sample can be taken.)
28 ft (8.5 m) at 30 inHg (762 mmHg)
Pump Tube Life: Tube life may vary depending on the abrasiveness of the sample liquid.
Recommended maximum 1,000,000 pump counts. This equates to 912
standard samples. A standard sample is 200 ml at 5 ft (1.5 m) suction head
using a 10 ft (3 m) vinyl suction line.
6712 Controller: Electrical Specifications
Controller Internal Battery: 5 years minimum (maintains internal logic, program settings & stored data)
Real Time Clock Accuracy: 1 minute per month
Program Memory: Nonvolatile programmable Flash.
Can be field updated via interrogator connector.
Table 1-3 Technical Specifications for the 6712SR Refrigerated Sampler (Continued)