Stainless steel desiccant dehumidifier TTR 250

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  6. TTR 250

Stainless steel desiccant dehumidifier TTR 250

The TTR 250 guarantees reliable adsorption air dehumidification in the corrosion-resistant stainless steel housing

The low-maintenance TTR 250 stainless steel desiccant dehumidifier does not only guarantee high dehumidification values especially at low dew points. Its housing is also known for a high corrosion resistance and good hygiene characteristics.

The TTR 250 is therefore perfectly suitable for humidity regulation in production and storage areas as well as for protection against corrosion and condensation in all humidity-sensitive environments and facilities where special hygienic standards apply or where there are extremely material-straining atmospheres.

In addition to integrated heat recovery, the standard equipment of this ready-to-install desiccant dehumidifier ”made in Germany” also includes a self-regulating electronic regeneration air heating consisting of thermistor elements (PTC) whose performance capacity depends on air inlet temperature and regeneration air volume.

The advantage of this solution lies for one in an optimal performance matching and in the fact that overheating is not possible, making a safety thermostat superfluous.

With the TTR 250 you can benefit from a professional desiccant dehumidifier originally produced by Trotec which has been developed and manufactured according to the highest of quality standards in Germany.

A few practical benefits:

  • Professional quality ”made in Germany” –
    Originally produced by Trotec
  • Corrosion-resistant stainless steel housing
  • Reliable silica gel sorption rotor in washable and mechanically high-tensile finish
  • Integrated heat recovery
  • Self-regulating PTC heating
  • Ampere meter to control the operating condition
  • Operating hours counter
  • Dual counter with additional MID-compliant* registration of the power consumption (optional)
  • Space-saving and stackable
A standard DIN socket for external switchings allows to control the TTR 250 by means of an optional hygrostat, time clock or other external switching devices with matching DIN plug.
DIN socket
The standard operating hours counter of the TTR 250 is optionally also available as a dual counter for the additional MID-compliant* registration of the power consumption.
Dual counter with additional MID-compliant* registration of the power consumption (optional)
Safety thermostat

* What does MID compliant mean?

The European Measuring Instruments Directive (MID) has replaced the existing rules of national approval and subse-quent calibration in some areas. As a result, all power meters, which are used for energy consumption billing, must be MID compliant in the future.


TTR 250 Adsorption Dehumidifier show in Trotec online shop

Technical data

Technical data
General information
  Article number
Dry air (in case of intake air 20°C / 60 % RH)
  Dehumidification [kg/24h] 26.4
  Dehumidification [kg/h] 1.1
  Min. air volume [m³/h] 130
  Max. air volume [m³/h] 300
  Nominal air volume | Dry air (in case of intake air 20 °C / 60 % RH) [m³/h] 250
  External compression | Dry air (in case of intake air 20 °C / 60 % RH) [Pa] 100
  Connection inlet Ø [mm] | Dry air (in case of intake air 20 °C / 60 % RH)
  Connection outlet Ø | Dry air (in case of intake air 20 °C / 60 % RH) [mm] 100
Regeneration air
  Nominal air volume | Regeneration air [m³/h] 50
  External compression | Regeneration air [Pa] 100
  Connection outlet Ø | Regeneration air [mm] 80
Operating principle
  Operating principle TTR Bisorp Mono
Operating range
  Min. temperature [°C] -20
  Max. temperature [°C] 35
  Min. humidity [% RH] 0
  Max. humidity [% RH] 100
Electrical values
  Mains connection 230 V/50 - 60 Hz
  Nominal current consumption [A] 5.7
  Power input [kW] 1.3
  Power input heating [kW] 1.2
  Recommended fusing [A] 16
Electric connection
  Connection plug CEE 7/7
  Cable length [m] 2.5
Sound values
  Distance 1 m [dB(A)] 57
Automatic dehumidification
  Non-stop dehumidification
  Length (packaging excluded) [mm] 410
  Width (packaging excluded) [mm] 350
  Height (packaging excluded) [mm] 435
  (packaging excluded) [kg] 19
Equipment, features and functions
Housing type
  Stainless steel
  Powder coating
  Metal plastic composite housing
  Non-marking rubber feet
  Carry/transport handle(s)
  Transport frame
  Swivel casters with brake
  Trestle rollers/ fixed castors
  Non-marking rubber wheels
  Stacking device
  Crane lifting gear
  Forklift pockets
  Operating hours counter
  DIN socket for external ON/OFF
  Integrated heat recovery
  Self-regulating PTC electric heating
  Air volume regulation
  Moisture control
  Moisture and temperature registration
  Sensor-supported Flowmatic control
  Variable-speed rotor drive
  Filter monitoring
  Terminals for external ON/OFF
  Power meter
  Hygrostat (electronic)
  Hygrostat (mechanical)
Regeneration heating design
  Electric PTC
Device version
  Indoor installation (standard)
  Shelter against the weather
  Hiring model

 standard equipment

 optionally available

 not available



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