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Automatic Water Samplers > Refrigerated Samplers >
4700 sequential/composite sampler
Tough LLDPE molded cabinet is totally rustproof and at home indoors or outdoors
 Forward thinking is evident from top to bottom in Isco’s groundbreaking 4700 Refrigerated Sampler. Its rotationally-molded polyethylene construction, user-friendly controls, and workplace-savvy features make it the first choice for stationary sampling in both municipal and industrial wastewater applications.
Control and programming are fast, simple, and easily accomplished on-site. A unique slide-out bottle rack eliminates awkward stooping and bending to reach sample containers. The controller actively regulates and displays the sample compartment temperature, and logs a 24-hour summary to confirm proper sample cooling. You can download the temperature record with a basic utility program such as HyperTerminal.
Isco tough - and environmentally friendly, too!
The 4700 ushers in a new standard for weather and corrosion resistance. The tough, double-wall LLDPE cabinet shrugs off exposure to weather and harsh environments. It’s filled from top to bottom with insulation for efficient, economical cooling even in hot, humid environments. Heat-treated polyester powder coating protects the refrigeration system, ensuring long life and reliability in corrosive treatment plant conditions. Standard Features
- Composite or sequential sampling
- Operating range of -20° to 120°F (-29° to 49°C) – without additional heaters
- Four digital alarm outputs
- 4-20 mA flow meter input
- Powerful 1/5 HP compressor delivers energy-efficient, high-performance cooling
Applications
- Versatile sampling modes make the 4700 ideal for wastewater compliance monitoring.
- Uniform time intervals – uniform sample volumes
- Uniform time intervals – flow-proportioned sample volumes
- Uniform sample volumes – flow-proportioned time intervals
Specifications
| Isco 4700 Refrigerated Sampler
| | Size (HxWxD): | 51 x 28 x 33 in (130 x 72 x 84 cm)
| | Weight: | (empty) 159 lb (72 kg)
| | Bottle configurations: | 12 different configurations available. 24 bottles, 1-liter PP or 350 ml glass; 4 bottles, 10-liter PE or glass; 2 bottles, 10-liter PE or glass; 1 bottle, 20-liter PE or glass; 1 bottle, 10-liter PE or glass; 24 ProPaks, 1-liter wedge-shaped; 1 ProPak, 10-liter round
| | Refrigerator body: | Linear low-density polyethylene (LLDPE)
| | Power requirements: | 120 VAC, 60 Hz, or 240 VAC, 50 Hz (specify)
| | Operational temperature: | -20° to 120°F (-29° to 49°C)
| | Pump
| | Intake suction tubing: | Length - 3 to 99 feet (1 to 30 m); Material - Vinyl or PTFE-lined vinyl; Inside diameter - 3/8 inch (9 mm)
| | Pump tubing life: | Typically 1,000,000 pump counts.
| | Maximum suction lift: | 28 feet (8.5 m)
| | Delivered volume accuracy: | ±10 ml or ±10% of programmed value, whichever is greater.
| | Typical repeatability: | ±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 line velocity @ Head height (with 3/8-in suction line): | 3.0 ft./s @ 3 ft; 2.9 ft./s @ 10 ft; 2.7 ft./s @ 15 ft. (0.91 m/s @ 0.9 m; 0.87 m/s @ 3.1 m; 0.83 m/s @ 4.6 m)
| | Liquid presence detector: | Non-wetted, non-conductive sensor detects when liquid sample reaches the pump to automatically compensate for changes in head heights.
| | Controller
| | Enclosure rating: | NEMA 4X, 6 (IP67)
| | Program memory: | Non-volatile ROM.
| | Flow meter signal inputs: | 5 to 15 volt DC pulse or 25 millisecond isolated contact closure for Isco flowmeters. 4-20 mA input for non-Isco flowmeters.
| | Digital alarms: | 4 programmable outputs; 5V, 100 mA
| | Number of composite samples: | Programmable from 1 to 999 samples.
| | Internal clock accuracy: | 1 minute per month, typical
| | Software
| | Sample frequency: | 1 minute to 99 hours 59 minutes, in 1-minute increments. 1 to 9,999 flow pulses.
| | Sampling modes: | Uniform time, flow proportioned, flow paced. (Flow modes are controlled by external flow meter signal.)
| | Programmable sample volumes: | 10 to 9,990 ml in 1 ml increments.
| | Sample retries: | If no sample is detected, up to 3 attempts; user selectable.
| | Rinse cycles: | Automatic rinsing of suction line up to 3 rinses for each sample collection.
| | Controller diagnostics: | Tests for RAM, ROM, pump, display, and electrical components |
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