D.B. Instruments & Controls
D.B. Instruments & Controls
Dahisar West, Mumbai, Maharashtra
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Level Transmitter

A capacitance is formed between the probe and the vessel wall.As the level of the measuring medium rises or falls capacitancebetween the probe and vessel wall changes proportionately. Ahigh frequency sine wave is applied between the probe andtank wall. A change of medium level will induce a change in thecurrent of the applied sine wave. From when thecapacitance in the vessel increase, impedance will decreaseand current will increase and vice-versa. (Z=Resistance,C=Capacitance, F= Frequency)

Capacitance Level Transmitter Rigid,Flexible

Capacitance Level Transmitter Rigid,Flexible
  • Capacitance Level Transmitter Rigid,Flexible
  • Capacitance Level Transmitter Rigid,Flexible
  • Capacitance Level Transmitter Rigid,Flexible
  • Capacitance Level Transmitter Rigid,Flexible
Get Best Quote
Approx. Price: Rs 20,000 / PieceGet Latest Price

Product Details:

TypeDigital
Model Name/NumberCLT-CF-2" TC-F-2MPB-XXXXmm
BrandD B Instruments & COntrols
Usage/Applicationevel detection in silos, tanks and bunkers, for continuous measurement.
MaterialStainless Steel
Measuring RangeCustomized
Voltage V24 V DC
Length UnitUp to 3000mm

The principle of capacitive level measurement is based on change of capacitance. An insulated electrode acts as one plate of capacitor and the tank wall (or reference electrode in a non-metallic vessel) acts as the other plate. The capacitance depends on the fluid level. An empty tank has a lower capacitance while a filled tank has a higher capacitance.
A capacitance is formed between the probe and the vessel wall.As the level of the measuring medium rises or falls capacitancebetween the probe and vessel wall changes proportionately. Ahigh frequency sine wave is applied between the probe andtank wall. A change of medium level will induce a change in thecurrent of the applied sine wave. From when thecapacitance in the vessel increase, impedance will decreaseand current will increase and vice-versa

Head mounted electronics converts the capacitance variation to 4-20mA signal for long distancetransmission. It is provided with trimpots for SPAN and ZERO adjustments. With no moving partsit is free from wear and tear, rugged and robust in construction. No dead zone like float basedinstruments.It must be ensured that the probe is parallel to the tank wall throughout it's length.
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Level Transmitter

Level Transmitter
  • Level Transmitter
  • Level Transmitter
  • Level Transmitter
  • Level Transmitter
Get Best Quote
Approx. Price: Rs 7,500 / PieceGet Latest Price
Product Brochure

Product Details:

BrandDB Instruments
MaterialSS
Country of OriginMade in India
Working Pressure10 kg/sq.cm
Temperature range-400 Degree C to + 1750 Degree C
Float Diameter48 mm

The principle of Operation:
Top mounted level switches work on permanent magnet reed switch basis. The floats which contain permanent magnets move freely between their stops rising or falling with liquid level movement. Hermetically sealed within the tube are reed switches, completely isolated from the medium. The magnets field actuates the reed switch as the float moves while the stoppers restrict overrun and prevent the reed switch returning to its original position. Stopper positions should not be changed.

Salient Features:
Reed - Switch actuated level switches work on the principle of magnetic flux linkage and therefore they are glandless and leak-proof instruments.
No Power Consumption.
Contacts are potential free, NO, NC or changeover contacts can be provided.
Practically no maintenance is required except periodic cleaning.
As reed-switches are inside a metallic tube-guide pipe, they are protected from mechanical damage.
As the reed switches are "hermetically sealed-in-glass," under an inert gas atmosphere contacts are protected from contamination.
Reed switches, due to their low contact resistance are generally recommended for low voltage application. Reed switches have Rhodium contacts.
Wherever Low Voltage are available 24V or less Reed-Switch actuated level switches may be used directly, Otherwise, it should be used in conjunction with our "Electronic control Unit." This ensures the enhanced life of the level switch.
Reed-Actuated level switches are ideal where vibration is involved.
In a single level switch, we offer a maximum of 5 level sensing.
For highly viscous liquids heavy floats with teflon coated guide pipes are available & also our VMT-EXT models can be used.
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Capacitance Level Switch

Capacitance Level Switch
  • Capacitance Level Switch
  • Capacitance Level Switch
  • Capacitance Level Switch
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Approx. Price: Rs 17,000 / UnitGet Latest Price

Product Details:

Mounting OptionsTop Mount
Media TypeLiquid
BrandD B Instruments
Material/BodyMetal, Plastic
Country of OriginMade in India
TemperatureUpto 300 Degree
Process pressureMax 20 bar
StateLiquid

With thorough understanding of the relevant industry, we are offering a wide range of Capacitance Type Level Transmitter.

Features:
  • Rugged construction
  • High performance
  • Long operational life
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Level Transmitter

Level Transmitter
  • Level Transmitter
  • Level Transmitter
  • Level Transmitter
  • Level Transmitter
Get Best Quote
Approx. Price: Rs 20,500 / UnitGet Latest Price

Product Details:

Minimum Order Quantity1 Unit
Usage/ApplicationLiquid Level Measurement
TypeFlexible
Model Name/NumberCLT-CF-2"TC-F-2-MPB-XXXX
BrandD B Instruments & Controls
MaterialSS / Teflon
Frequency5 to15kHz.
Voltage V24VDC
Process ConnectionAs per customer specification
Accuracy+-0.5%,+-1% or +-2%
Country of OriginMade in India
Output4 to 20 mA.(non-isolated)
Max.Working Temp.150deg.C
Max.Working Pressure10kg/sq.cm
EnclosureCast aluminium weather proof with PG9 cable gland or Flame proof (IS2148- 2004,Gr II A and B gases)

capacitance is formed between the probe and the vessel wall.As the level of the measuring medium rises or falls capacitancebetween the probe and vessel wall changes proportionately. Ahigh frequency sine wave is applied between the probe andtank wall. A change of medium level will induce a change in thecurrent of the applied sine wave. From when thecapacitance in the vessel increase, impedance will decreaseand current will increase and vice-versa. (Z=Resistance,C=Capacitance, F= Frequency)Head mounted electronics converts the capacitance variation to 4-20mA signal for long distanc etransmission. It is provided with trimpots for SPAN and ZERO adjustments. With no moving partsit is free from wear and tear, rugged and robust in construction. No dead zone like float basedinstruments.It must be ensured that the probe is parallel to the tank wall throughout it's length.
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Additional Information:

  • Item Code: CLT-CF
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Capacitance Level Transmitter - Flexible, Rigid

Capacitance Level Transmitter - Flexible, Rigid
  • Capacitance Level Transmitter - Flexible, Rigid
  • Capacitance Level Transmitter - Flexible, Rigid
  • Capacitance Level Transmitter - Flexible, Rigid
Get Best Quote
Approx. Price: Rs 18,500 / UnitGet Latest Price

Product Details:

Mounting OptionsTop Mount
Media TypeLiquid
Measuring Rangeupto 3mtr
Country of OriginMade in India

A capacitance is formed between the probe and the vessel wall .As the level of the measuring medium rises or falls capacitance between the probe and vessel wall changes proportionately. A high frequency sine wave is applied between the probe and tank wall. A change of medium level will induce a change in the current of the applied sine wave. From  when the capacitance in the vessel increase, impedance will decrease and current will increase and vice-versa. (Z=Resistance, C=Capacitance, F= Frequency) Head mounted electronics converts the capacitance variation to 4-20mA signal for long distance transmission. It is provided with trimpots for SPAN and ZERO adjustments. With no moving parts it is free from wear and tear, rugged and robust in construction. No dead zone like float based instruments.

It must be ensured that the probe is parallel to the tank wall throughout it''s length.

Technical Specification

Capacitance type 3 wire Level transmitter Model (CLT-1) with non insulated probes for non-conductive liquids or PTFE Teflon insulated probes for conductive liquids.

Frequecy of operation5 to15kHz.
Probe MaterialStainless Steel / Teflon insulated 10/12/16 mm rod upto Max 3 Metre length
Process connection3/4",1",1.1/2" BSP(M) or 1 "ASA 150 lbs flanged but thickness 12mm (or as per customer specification)
Power supply24VDC
Output 
4 to 20 mA.(non-isolated)
Span & Zero adjustmentTrim pots
Max.Working Pressure10kg/sq.cm
Max.Working Temp.150deg.C
Accuracy±0.5%, ±1% or ±2%
EnclosureCast aluminium weather proof with PG9 cable gland or Flame proof (IS2148-2004,Gr II A and B gases)
Cable Size3 core, 0.75 sq.mm screened PVC cable.

While sending enquiries for capacitance type level transmitters, please furnish following informations to enable us to submit a suitable offer:

  • Name of service Medium/Liquid
  • Dielectric constant of the medium.
  • Operating Temperature and pressure. Does the temperature vary? If so how much?
  • Nature of liquid - Foaming, Viscous, Sticky etc.
  • If agitation is involved whether sufficient space is available for probe between agitator and tank wall to avoid damage.
  • Material of tank - Metallic or Non- Metallic
  • If mounted on nozzle, height of nozzle, with tank dimensions and drawings.
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Ashit D. Bhayani (Director)
D.B. Instruments & Controls
119- Ambika Commercial Complex, Navghar Road
Dahisar West, Mumbai - 401210, Maharashtra, India


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