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SelectH2 – Leak location in
air-conditioning and cooling systems

SelectH2 – The benefits

Our SelectH2 family has been successfully established on the market.
With this innovative technology, we offer automotive workshops a method of leak location
in passenger-car and commercial-vehicle air-conditioning systems that
saves time and money while protecting the environment.

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Diagnosing faulty vaporisers

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Environmentally friendly

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Forming gas can be procured cheaply

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Highly sensitive sensors

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No misdiagnosis due
to oil and petrol vapours

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Non-toxic

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Made in Germany

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For air-conditioning systems
with R134a and HFO-1234yf

 

SelectH2 – Leak location in air-conditioning and cooling systems

The selective gas detector SelectH2 from Herth+Buss is equipped with two gas sensors, which act like an artificial nose and respond only to hydrogen. Petrol and oil vapours do not negatively influence the measurement result. This is the most significant difference compared with conventional units which respond to the refrigerant R134a.

SelectH2 – Leak location in air-conditioning and cooling systems

The selective gas detector SelectH2 from Herth+Buss is equipped with two gas sensors, which act like an artificial nose and respond only to hydrogen. Petrol and oil vapours do not negatively influence the measurement result. This is the most significant difference compared with conventional units which respond to the refrigerant R134a.

SelectH2 – Leak location in air-conditioning and cooling systems

The selective gas detector SelectH2 from Herth+Buss is equipped with two gas sensors, which act like an artificial nose and respond only to hydrogen. Petrol and oil vapours do not negatively influence the measurement result. This is the most significant difference compared with conventional units which respond to the refrigerant R134a.

SelectH2 Types

         
  SelectH2 SelectH2 SelectH2Slim SelectH2mini
Display With illuminated LCD display,
  battery status indicator, LED display   
With illuminated LCD display,
battery status indicator, LED display   
With illuminated LCD display,
battery status indicator, LED display
With illuminated LCD display,
battery status indicator
Lenght gooseneck 320 mm  500 mm   500 mm   320 mm 
Housing type Aluminium housing Aluminium housing
Aluminium housing
Aluminium housing
Dual sensor GGS 1000/GGS 6000 Broadband,
H2-selective

Broadband,
H2-selective

Broadband,
H2-selective
Broadband,
H2-selective
W x H x D 52 x 178 x 35 mm   52 x 178 x 35 mm   52 x 178 x 28 mm  44 x 175 x 36 mm
With acoustic alarm
With integrated work light      
With suction pump  ■  
With extra slim sensor head      
Automatic zero-point calibration in fresh air ■   ■
Automatic sensor check with fault detection  ■
Power supply        
Output voltage 12 V 12 V 12 V 9 V
Plug type Round plug Round plug Round plug Round plug

Diameter

 

3,5 mm 3,5 mm 3,5 mm 2,5 mm

Part number:

95980002 95980024 95980025 95980019

The SelectH2 types

SelectH2  
Gauge with illuminated LCD display,
with battery state display,
with LED display
Length gooseneck 320 mm
Housing type Aluminium housing
Double sensors GGS 1000 / GGS 6000
broad band
H2-selective
W x H x D 52 x 178 x 35 mm
With acoustic alarm
With integrated work light  
With suction pump
With extra slim sensor head  
Automatic zero-point calibration in fresh air
Automatic sensor check with error detection
Power supply
 
Output voltage 12 V
Plug type Round plug
Diameter 3,5 mm
Part number 95980002
Comparison overview

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SelectH2  
Gauge with illuminated LCD display,
with battery state display,
with LED display
Length gooseneck 500 mm
Housing type Aluminium housing
Double sensors GGS 1000 / GGS 6000
broad band
H2-selective
W x H x D 52 x 178 x 35 mm
With acoustic alarm
With integrated work light  
With suction pump
With extra slim sensor head  
Automatic zero-point calibration in fresh air
Automatic sensor check with error detection
Power supply  
Output voltage 12 V
Plug type Round plug
Diameter 3,5 mm
Part number 95980024
Comparison overview

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SelectH2Slim  
Gauge with illuminated LCD display,
with battery state display,
with LED display
Length gooseneck 500 mm
Housing type Aluminium housing
Double sensors GGS 1000 / GGS 6000
broad band
H2-selective
W x H x D 52 x 178 x 28 mm
With acoustic alarm
With integrated work light  
With suction pump
With extra slim sensor head
Automatic zero-point calibration in fresh air
Automatic sensor check with error detection
Power supply  
Output voltage 12 V
Plug type Round plug
Diameter 3,5 mm
Part number 95980025
Comparison overview

 

 

 

 

 

 

 

 

SelectH2mini  
Gauge with illuminated LCD display,
with battery state display
Length gooseneck 320 mm
Housing type Synthetic material housing
Double sensors GGS 1000 / GGS 6000
broad band
H2-selective
W x H x D 44 x 175 x 36 mm
With acoustic alarm
With integrated work light
mit Ansaugpumpe  
With extra slim sensor head  
Automatic zero-point calibration in fresh air
Automatic sensor check with error detection
Power supply  
Output voltage 9 V
Plug type Round plug
Diameter 2,5 mm
Part number 95980019
Comparison overview

 

 

 

 

 

 

 

 

 

 

SelectH2 leak location set

With this expansion set, the air conditioning can additionally be filled through the low-pressure connection. As a result of this, the forming gas can be distributed throughout the system more quickly and evenly.

  • Expansion set
  • Adapter for low-pressure and high-pressure side

SelectH2 accessories

Matching accessories for leak location can be found in our online catalogue.

  • Adapter
  • Compressed-air hoses
  • Expansion set
  • Cylinder pressure regulators
  • Connectors
  • Power supply

Practical example of leak location

 

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Herth+Buss Fahrzeugteile GmbH & Co. KG
Dieselstraße 2-4
63150 Heusenstamm
Germany

+49 (0)6104-608-0
info@herthundbuss.com