RH Logic 400 ESD – Antistatic Ergonomic Chair for Labs and Sensitive Environments
The RH Logic 400 ESD is designed for professionals who work in static-sensitive environments like laboratories, electronics assembly areas and cleanrooms. It provides the same high-level ergonomics as the standard Logic 400 — with full adjustability, lumbar support and a high backrest — but adds certified antistatic protection throughout the entire chair.
This model is upholstered in conductive fabric and fitted with a black lacquered aluminium base and free-wheeling metal ESD castors. Static is safely discharged through the backrest, seat, gas lift and base, down to the floor — reducing risk to delicate components and systems.
Key features
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Certified antistatic design: protects sensitive electronic equipment from static discharge
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High backrest with lumbar support: upholstered, shaped for posture and movement
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Seat with generous slide adjustment: 457 mm wide, 465 mm deep, with 80 mm seat slide
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Adjustable seat height: 440–560 mm using standard 4F gas stem
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Upholstery options: black antistatic vinyl or Global ESD Melange fabric
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Base and castors: black aluminium 5X base with free-wheeling ESD castors (metal)
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Full ergonomic adjustments: seat depth, back height, tilt angle and lumbar pump
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Certified for quality and sustainability: meets EN 1335, BS 5459, Möbelfakta, EPD ISO 14025, Nordic Swan, GREENGUARD GOLD and IEC 61340 (ESD)
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Weight: 21–21.8 kg depending on backrest and accessories
Is this chair right for you?
You’ll benefit from the RH Logic 400 ESD if you:
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✅ Work in electronics, cleanroom, or lab environments requiring certified ESD seating
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✅ Need a fully ergonomic task chair with high-back support and lumbar adjustment
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✅ Want the build quality and posture support of the RH Logic 400 with antistatic assurance
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✅ Require reliable EN and IEC certified furniture for regulated or controlled spaces
Customisation options
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Armrests: 8E ESD-compatible armrests (adjustable in height, depth and width)
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Footring: available for sit/stand or high-bench applications (black, Ø455 mm)
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Gas lift: standard 4F (440–560 mm); longer chrome stem (LI217) available
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Base: 5X black aluminium (standard) or upgrade to polished 5X aluminium
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Castors: metal antistatic ESD castors for soft or hard floors
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Upholstery: choice of Global ESD Melange fabric or antistatic black vinyl
Key specifications
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Seat width: 457 mm
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Seat depth: 465 mm (with 80 mm seat slide)
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Seat height: 440–560 mm (standard)
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Backrest width: 447 mm
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Backrest height: 620 mm (with lumbar pump)
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Weight: 21.8 kg
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Certifications: EN 1335, BS 5459, IEC 61340 (ESD), Möbelfakta, EPD ISO 14025, GREENGUARD GOLD, Nordic Swan
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Castors: free-wheeling ESD metal castors
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Base: black aluminium (5X) as standard
FAQs
What makes this version ESD-safe?
The RH Logic 400 ESD is upholstered in conductive material and includes certified ESD castors and components that allow static electricity to safely discharge through the chair to the floor.
Can I use this in a cleanroom or electronics lab?
Yes. It is certified for ESD-safe environments and suitable for static-sensitive areas such as circuit assembly stations, testing environments and clean labs.
Does it offer the same ergonomic functions as the standard Logic 400?
Yes — the full adjustability, lumbar support and tilt mechanisms are the same.
Are ESD-compatible armrests included?
They are available as an option. The 8E ESD armrests adjust for height, width and depth.
Can I customise fabrics and finish?
Yes — you can choose between antistatic black vinyl or Global ESD Melange fabric. Castors and base finishes are also customisable.
Call to action
Protect your people and your equipment with certified antistatic seating.
Order the RH Logic 400 ESD today or speak to us about configuring a chair to meet your cleanroom or lab standards.
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