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Product overview
The Jumper Cleanroom/ESD is a top ergonomic saddle chair designed for cleanroom and ESD-safe workplaces. It features a wider, antistatic, highly conductive saddle-shaped seat that keeps the legs slightly apart to promote a natural, relaxed posture. The saddle shape supports improved breathing, circulation and digestion, and allows effortless position changes to reduce fatigue and enable longer comfortable working hours.

Key features

• Wider seat
• ESD-safe
• Suitable for Cleanroom workplaces
• Seamless upholstery
• Promotes active sitting posture
• Black ESD leatherette option

Materials & ESD / Cleanroom performance
The seat of this version is covered with a Hepa filter cloth that prevents small dust particles from spreading in the room. The upholstery is antistatic and highly conductive, providing a continuous controlled discharge of static electricity. The product can be supplied with a 1 Mohm resistance. The Jumper Cleanroom/ESD is ESD tested by SP Technical Research Institute (Sweden) and complies with the ESD standard IEC 61340-5-1. It is Cleanroom Class 3 tested by the Fraunhofer Institute and complies with DIN EN ISO 14644-1, ISO Class 5 (Class 10 according to US Federal Standard 209E).

Ergonomics & user benefits
The wider saddle-shaped seat positions the legs and feet slightly wider apart, supporting active and dynamic working postures. The saddle shape allows the back to relax naturally, aiding breathing and circulation. Easy and fast position changes reduce energy expenditure while sitting, making prolonged sitting more comfortable and reducing fatigue.

Also available / variants

• Adjustable seat angle (T)
• Fixed seat angle (F)

Technical specifications

• Seat size: 44 x 30 cm
• Variants: Adjustable seat angle (T); Fixed seat angle (F)
• Base: Aluminium chassis, round ø 50 cm
• Floor contacts: Soft swivel castors ø 50 mm (zww51) – suitable for hard floors (ESD); Soft swivel castors, brake loaded ø 50 mm (zww56) – suitable for hard floors (ESD); Trumpet glides (ESD) – suitable for all ESD floors
• Height adjustment options:
  • High (MID38): height adjustment approx. 63 - 88 cm; work height 90 - 115 cm
  • Standard (MID31): height adjustment approx. 59 - 77 cm; work height 80 - 100 cm
  • Low (MID25): height adjustment approx. 49 - 63 cm; work height 70 - 85 cm
• Backrest: Lumbar support ESD (option)
• Upholstery: Seamless; Hepa filter cloth seat covering for cleanrooms; hardwearing black ESD leatherette available
• ESD compliance: Tested to IEC 61340-5-1; continuous controlled discharge; optional 1 Mohm resistance
• Cleanroom compliance: Cleanroom Class 3 tested by Fraunhofer Institute; complies with DIN EN ISO 14644-1, ISO Class 5 (Class 10 US Federal Standard 209E)