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View ISCO (Teledyne) website

4220 Submerged Probe Flow Meter, with submerged probe with 10 foot cable

Part Number: 68-4220-001Product Details

Overview

Submerged probe accuracy unaffected by wind, steam, foam, turbulence or air temperature change.
The probe on the Isco 4220 uses a differential pressure transducer to measure the depth of the liquid. The probe accurately senses pressure even when covered with silt and sand, and the venting system automatically compensates for changes in atmospheric pressure. This technology provides accurate measurement at sites where wind, steam, foam, turbulence, or air temperature fluctuations exist.

Isco mounting rings make it easy to install the probe in round pipes and manhole inverts. With the Isco Street Level Installation Tool, you can install your monitoring system from ground level, eliminating the costs and hazards of entering manholes. Most flumes are available with an integral recess for mounting an Isco Submerged Probe.
Features

• Built-in level-to-flow conversions for most applications
• Choice of standard (10 foot) and extended (30 foot) level measurement range
• Venting system automatically compensates for atmospheric pressure changes
• Two-line × 80-character backlit LCD
• Built-in dot matrix printer gives you an accurate, on-site printout
• Internal memory stores over 2 months of data
• Easy interfacing for Sampler, water quality sonde, alarm outputs

Applications

• Flow measurement in Class 1 Div 1 locations (Flowmeter in safe area)
• Pretreatment Compliance
• Stormwater Runoff Monitoring
• Permit Enforcement
• Sewer Flow Monitoring
• Combined Sewer Overflow Studies
• Wastewater Treatment Plant Operations
• Inflow and Infiltration Studies
• River and Stream Gauging

Specifications

Part Number: 68-4220-001
0.03m to 1.22m (0.1 ft to 4.0 ft) ±0.0027m/°C (±0.005ft/°F)
0.03m to 1.52m (0.1 ft to 5.0 ft) ±0.003m (±0.01 ft)
0.03m to 2.13m (0.1 ft to 7.0 ft) ±0.009m (±0.03 ft)
0.03m to 3.05m (0.1 ft to 10 ft) ±0.03m (±0.10 ft)
1.22m to 3.05m (4.0 ft to 10 ft) ±0.0038m/°C (±0.007ft/°F)
934 NiCad Battery 8 to 11 days
946 Lead-Acid Battery 12 to 16 days
948 Lead-Acid Battery 2.5 to 3 months
Cable Polyvinyl chloride (PVC)
Cable, standard range probe 7.6m × 0.8cm (25 ft × 0.3")
Compensated Temperature 0°C to 38°C (32°F to 100°F)
Dimensions 24.1cm × 2.2cm (9.5" × 0.875")
Display Backlit LCD, 2-line, 80-character (5.5mm high × 3.2mm wide)
Enclosure NEMA 4X (iP65)
Level Measurement Method Submerged pressure transducer mounted in the flow stream
Level Measurement Range 0.03m to 3.05m (0.1 ft to 10 ft)
Material High-impact molded polystyrene structural foam
Maximum Allowable Level 6.1m (20 ft)
Operating Temperature 0°C to 71°C (32°F to 160°F)
Operating Temperature -18°C to 60°C (0°F to 140°F)
Power 12 to 14V DC, 24 mA average at 12.5V DC
Program Memory Non-volatile, programmable flash. Updateable without opening enclosure.
Size (H × W × D, without power source) 43cm × 29cm × 26.7cm (17.0" × 11.5" × 10.5")
Storage Temperature -40°C to 60°C (-40°F to 140°F)
Submerged Probe Type 316 stainless steel, chlorinated polyvinyl chloride (CPVC)
Transducer Type Differential linear integrated circuit pressure transducer
Weight (without power source) 7.8kg (17.3 lbs)

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