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IFG De Wit


chart recorder dewit

IFG De Wit chart recorders, test gauges, differential pressure gauges, gauges, dead weight testers, thermowells and calibration equipment.

Circular chart recorder 8″

circular chart recorder

(for pressure De Wit model 4828 for temperature De Wit model 1828)

 

Specifications:

  • Circular chart recorder, 260 mm diameter with back flange for wall mounting
  • Case light metal, finish blue, weatherproof
  • Recording with disposable feltpen on circular recorder charts
    diameter 223 mm, writing width 80 mm
  • Mechanical spring wound clock, revolution time 24 hrs (clockwise)
  • Window laminated safety glass
  • Accuracy Class 1
  • Connection bottom or back, 1/2″ NPT or 1/2″ BSP
  • Minimum pressure range : 0-1 bar / 0-15 psi
  • Maximum pressure range : 0-4000 bar / 0-60.000 psi
  • Minimum temperature : – 170 °C
  • Maximum temperature : + 600 °C
  • Minimum temperature span : 60 °C

Options:

  • Portable execution (with handle & feet, add T to type number)
  • Wetted parts stainless steel AISI 316 (for range 0-1600 bar max.)
  • Mechanical spring wound clock, revolution time 1 hr, 4 hrs, 8 hrs, 12 hrs or 7 days (clockwise, optional: anti-clockwise)
  • Electric clockwork
  • Other ranges and connections available upon request
  • Special executions on request

Note:
All De Wit recorders are supplied with 50 recorder charts and 1 spare feltpen.
If you require a calibration certificate (traceable to (inter)national standards), please specify in case of order.LogoDeWit[1]

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Leaf wetness recorders

Leaf Wetness Recorders

The occurrence of infections caused by the scab fungus is not only effected by the temperature, but also by the duration of the leaf-humidity period. It is not so easy for market gardeners to determine this period ‘by eye estimation’. Consequently they will start spraying when ‘it would seem’ that the leaf have been wet for too long, just for the sake of assurance, but… expensive assurance indeed!

The DE WIT leaf-humidity recorder records the duration of the leaf-humidity period in the orchard, reliably and leaves no room for doubt, regarding when to spray and when not. That means:

  • Scab is combatted effectively – spray only when necessary!
  • Costs of spraying are saved because you don’t spray when it is not required!

The leaf-humidity recorder was developed in close consultation with :

  • The Royal Dutch Meteorological Institute
  • The Phytopathological Service
  • The Institute for Horticultural Engineering

Operation

The chart revolves in a clockwise direction. If the weather is dry, the stylus records on the margin of the chart.
The beginning of a rainy period (leaf-humidity) is indicated by a clear kink in the line. The fact is that the sensor shrinks when moistened; the sensor dries again (more or less quickly, depending on the weather conditions) and the stylus returns to its former position. The period ‘dry’ can now be read from the chart.

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Chart Recorder 8″ Stainless Steel AISI 316 Case

chart recorder

(for pressure De Wit model 4888 SS for temperature De Wit model 1888 SS)

 

 Specifications

  • Rectangular recorder 277 x 277 mm for wall or panel mounting
  • Case St. Steel AISI 316, weatherproof, corrosion restistant
  • Recording with disposable feltpen on circular recorder charts diameter 223 mm, writing width 80 mm
  • Mechanical spring wound clock, revolution time 24 hrs (clockwise)
  • Viewing window laminated safety glass
  • Accuracy Class 1,0 (+/- 1% of full scale)
  • Connection bottom or back, 1/2″ NPT male or 1/2″ BSP male
  • Minimum pressure range: 0-1 bar / 0-15 psi
  • Maximum pressure range: 0-4000 bar / 0-60.000 psi
  • Minimum temperature span: 60°C.
  • Minimum temperature: -170 °C
  • Maximum temperature: +600 °C

Options

  • Portable execution (with handle & feet, add T to type number)
  • Wetted parts stainless steel AISI 316 (for range 0-1600 bar max.)
  • Mechanical spring wound clock, single revolution time 1 hr, 4 hrs, 8 hrs, 12 hrs or 7 days (clockwise, optional: anti-clockwise)
  • Switchable clockworks 1 hr/15 min, 1 hr/4 hrs, 2 hrs/8 hrs, 24 hrs/7 days (clockwise)
  • Multi programmable battery-operated chart drive (anti-clockwise)
  • Dual pen execution
  • Other ranges and process connections available upon request
  • Special executions to customerʼs special requirementsLogoDeWit[1]

 

 

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Chart Recorder 6″ Stainless Steel AISI 316 Case

6" chart recorder

 (for pressure De Wit model 4892SS for temperature De Wit model 1892SS)

 

Specifications

  • Rectangular recorder for wall or panel mounting
  • Case material St.steel AISI 316, weather proof
  • Recording with disposable feltpen on circular recorder charts diameter 163 mm, writing width 60 mm
  • Mechanical spring wound clock, revolution time 24 hrs (clockwise)
  • Window laminated safety glass
  • Accuracy Class 1,0
  • Connection bottom or back, 1/2″ NPT or 1/2″ BSP
  • Minimum pressure range: 0-1 bar / 0-15 psi
  • Maximum pressure range: 0-4000 bar / 0-60.000 psi
  • Minimum temperature: -170 °C.
  • Maximum temperature: +600 °C
  • Minimum temperature span: 60 °C

Options

  • Portable execution (with handle & feet, add T to type number)
  • Wetted parts stainless steel AISI 316 (for range 0-1600 bar max.)
  • Mechanical spring wound clock, revolution time 1 hr, 4 hrs, 8 hrs, 12 hrs or 7 days (clockwise, optional: anti-clockwise)
  • Mechanical switchable clockworks 1 hr/15 min, 1 hr/4 hrs, 24 hrs/7 days
  • Multiprogrammable battery-operated chart drive (anti-clockwise)
  • Other ranges and connections available upon request
  • Special executions on request
  • Dual rangesLogoDeWit[1]

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Chart Recorder 12″ Stainless Steel AISI 316 case

chart recorder 12"

(for pressure DE WIT model P-12 for temperature DE WIT model T-12)

 

Specifications

  • Outline dimensions 336 x 463 x 150 mm, suitable for wall or panel mounting
  • Case material St. Steel AISI 316, weatherproof
  • Recording with disposable feltpen on 12″ recorder charts
  • Mechanical spring wound clockwork, 24 hrs (clockwise)
  • Window laminated safety glass, scratch proof
  • Pressure containing parts 316 SS to NACE (sour gas service)
  • Accuracy class 1,0 for pressures upto 20,000 psi
  • Accuracy class 2,0 for pressures of 25,000 psi and 30.000 psi
  • Connection bottom (wall mounting) or back (panel mounting, portable version)
  • 1/4” NPT female
  • Minimum pressure range: 0-500 psi
  • Maximum pressure range: 0-30.000 psi
  • Minimum temperature: -170 °C
  • Maximum temperature: +600 °C
  • Minimum temperature span: 60 °C

Options

  • Portable execution (add T to model number)
  • Yoke mounting (2″ pipe, add Y to model number)
  • Mechanical spring wound clockwork revolution time 1 hr, 4 hrs, 8 hrs, 12 hrs or 7 days (clockwise, optional anticlockwise)
  • Mechanical spring wound switchable clockwork revolution times 1 hour/15 minutes, 1 hr/4 hrs, 24 hours/7 days (clockwise)
  • Battery operated multi-programmable Sonceboz clock (anti-clockwise)
  • Other ranges and process connections available upon request
  • Dual pen, triple pen
  • Special executions to customer’s special requirementsLogoDeWit[1]

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Chart Recorder 12″ Stainless Steel AISI 316 Case

12" chart recorder

(for pressure DE WIT type 4870 SS for temperature DE WIT type 1870 SS)

 

Specifications

  • Outline dimensions 350 x 400 x 140 mm, suitable for wall or panel mounting
  • Case material St. Steel AISI 316, weatherproof
  • Recording with disposable feltpen on 12″ recorder charts
  • Mechanical spring wound clockwork, 24 hrs (clockwise)
  • Window laminated safety glass, scratch proof, 3 mm uniform thickness
  • Accuracy class 1,0
  • Connection bottom (wall mounting) or
  • back (panel mounting), 1/2″ NPT or 1/2″ BSP
  • Minimum pressure range: 0-1 bar (15 psi)
  • Maximum pressure range: 0-2500 bar (40,000 psi)
  • Minimum temperature: -170 °C
  • Maximum temperature: 600 °C
  • Minimum temperature span: 60 °C

Options

  • Portable execution (add T to model number)
  • Yoke mounting (2″ pipe, add Y to model number)
  • Wetted parts stainless steel AISI 216 (for range 0-1600 bar max.)
  • Mechanical spring wound clockwork revolution time 1 hr, 4 hrs, 8 hrs, 12 hrs or 7 days (clockwise, optional anticlockwise)
  • Mechanical spring wound switchable clockwork revolution times 1 hour/15 minutes, 1 hr/4 hrs, 24 hours/7 days
  • Battery operated multi-programmable clock (anti-clockwise)
  • Other ranges and process connections available upon request
  • Dual pen, triple pen
  • Special executions to customer’s special requirementsLogoDeWit[1]

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