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NTB Deep-Well Probe
Brand: KOBOLD Instruments, IncThe immersion probe comprises a measuring cell, two wire transmitter and a special cable with capillary tube. The housing comprises stainless steel with a pressure-sensitive diaphragm that is protected with a stainless steel cap.
The level signal is determined by the pressure difference between the water column over the probe and atmospheric pressure which is transferred to the probe through the capillary tube.
This differential pressure is converted to a 0 to 4 mA Analog signal by the piezo-resistive cell and the fitted electronics.
1 - 12 of 24 Part Numbers
NTB-1301 01
- Measuring Range - meters WC: 1
- Cable Length - 3.2 Feet (1 metre)
NTB-1301 10
- Measuring Range - meters WC: 1
- Cable Length - 33 Feet (10 metres)
NTB-1301 3H
- Measuring Range - meters WC: 1
- Cable Length - 984 Feet (300 metres)
NTB-1302 01
- Measuring Range - meters WC: 2
- Cable Length - 3.2 Feet (1 metre)
NTB-1302 10
- Measuring Range - meters WC: 2
- Cable Length - 33 Feet (10 metres)
NTB-1302 3H
- Measuring Range - meters WC: 2
- Cable Length - 984 Feet (300 metres)
NTB-1305 01
- Measuring Range - meters WC: 5
- Cable Length - 3.2 Feet (1 metre)
NTB-1305 10
- Measuring Range - meters WC: 5
- Cable Length - 33 Feet (10 metres)
NTB-1305 3H
- Measuring Range - meters WC: 5
- Cable Length - 984 Feet (300 metres)
NTB-1310 01
- Measuring Range - meters WC: 10
- Cable Length - 3.2 Feet (1 metre)
NTB-1310 10
- Measuring Range - meters WC: 10
- Cable Length - 33 Feet (10 metres)
NTB-1310 3H
- Measuring Range - meters WC: 10
- Cable Length - 984 Feet (300 metres)
1 - 12 of 24 Part Numbers
Specifications
Brand
Cable Length
- 0 to 984.25 feet (0 to 300 metres)
Cable Material
- Polyurethane
Cap Material
- 316Ti Stainless Steel
Capillary Material
- PVC - Capillary Tube
Communication
- HART
Dimensions
- Ø 0.86” x 6.8” (Ø 22 x 173 mm) - Probe
Electrical Connectors
- 0.34 mm² Wire Cross Section
Enclosure / Body Material
- Stainless Steel
Environmental Protection
- IP20
- IP54
- IP68
Linearization
- ± 0.25 %
Loop Resistance
- 13 ohms ± 10 % - Series Resistor
Maximum Voltage
- 30 V Peak-to-Peak (Peak Value) - Fast
- 90 V Peak-to-Peak (Peak Value) - Slow
Media
- Water
Mounting
- DIN Rail Mounting
- Field Mounting
Operating Temperature
- -10° to 60° C (14° to 140° F)
Output
- 2-Wire
- 4-20 mA / HART
Power
- 12-30 Vdc - Auxiliary
- 600 W Per 1 milliseconds - Pulse
Pressure Range
- bar: 00 to 19.6
- Inches WC: 0 to 7,874
- kPa: 00 to 1,960
- psi: 00 to 284.3
Seat / Seal Material
- Seal: FPM
Sensor / Probe Material
- 316 Stainless Steel - Sensor
- 316Ti Stainless Steel - Probe
Temperature Effect
- ± 0.1 %/10 K