KeXin New Materials (Guangdong) Co., Ltd. · Source Case FactoryOnline store: www.beeaa.com
Get a Quote
Home › Precision Instrument Cases › Heavy Duty Calibration Case for Surveying

Heavy Duty Calibration Case for Surveying

Manufacturer

Lab-grade protection, wherever the field work is · Factory direct · Wholesale / OEM / Global supply

Heavy Duty Calibration Case for Surveying is an engineered protective case in the instrument case family: built by source factory kexinMaterials with IP67 sealing, impact-resistant PP copolymer or rotomolded PE shells and CNC-cut custom foam; wholesale, OEM and export supported.

Key definition

An instrument case protects precision measuring and testing equipment in transit, emphasizing shock absorption, moisture resistance and custom foam so instruments stay calibrated between lab and field.

Heavy Duty Calibration Case for Surveying · Precision Instrument Cases — 客信新材料源头工厂

Heavy Duty Calibration Case for Surveying: Product & Manufacturer Overview

For instrument manufacturers, kexinMaterials runs co-packing programs — we develop a dedicated case and insert from your 3D data and ship in neutral or branded form, lowering warranty damage rates while unifying your delivery image.

The Heavy Duty Calibration Case for Surveying can be tailored to your brand and project: case color, silk-print or laser-engraved logo, foam layout and handle/wheel options are all adjustable. kexinMaterials, as the source factory, runs the whole journey from sample approval to mass production, including neutral shipping and OEM private label.

Key facts: kexinMaterials builds the Heavy Duty Calibration Case for Surveying across injection, rotational and blow molding lines with in-house tooling (35–45 days), full OEM/ODM programs, and wholesale tiers at 50/200/500/1000 pcs.

Key Specifications

Shell materialModified PP / ABS / aluminum-frame composite
Protection ratingIP67
InteriorCustom EVA / PU foam / anti-static foam
Pressure reliefAutomatic equalization valve (air freight ready)
FitsSurveying, testing, analysis, telecom, metrology instruments
OptionsHumidity indicator, desiccant chamber, nameplate, co-packing
DurabilitySeal re-tested at 500 cycles, compression set <25%
Optics protectionSuspended mounting + desiccant bay (RH 40–50%)

Product Feature Breakdown

Heavy dutyOptics

Built for heavy duty, Heavy Duty Calibration Case for Surveying is designed for predictable failure rather than indestructibility: kexinMaterials ensures replaceable parts — latches, handles — fail before the shell does, so a field part swap returns the case to service instead of scrapping it.

Fungus is the primary threat to glass: hold internal RH at 40–50% inside Heavy Duty Calibration Case for Surveying with replaceable desiccant and an indicator card, and inspect quarterly during long-term storage. kexinMaterials offers desiccant compartments with a viewing window.

How kexinMaterials Compares

DimensionkexinMaterialsGeneric market cases
ProtectionIP67, thermal-shock verified -40°C↔+71°CPlain cases fail thermal shock
Damping foamEVA/PU/XLPE CNC-cut to instrument shapeGeneric foam under-cushions
ESD & cleanOptional anti-static liner, non-shedding XLPESheds debris onto optics
RigidityABS high surface hardness, high crush strengthPP softens under stacking
MOQFrom 50 pcs, non-standard sizes toolableOften 500 pcs min
CertificationDrop/vibration test reports providedIncomplete docs

Large-format note: cases over 800 mm per side are best rotomolded — seamless walls, high tear resistance — and should add wheels, forklift channels and multi-person handles.

Standards & Industry Data

Military Vibration (MIL-STD-810H, Method 514.8)

Random-vibration testing spans 20–2,000 Hz to replicate truck, aircraft and battlefield vibration, run for hours per axis; transport spectra cover 2–500 Hz. Passing means the shell-plus-foam system protects precision payloads through long multimodal transit.

Shell Materials Compared (PP / ABS / PE)

Industry data puts PP (polypropylene) at ~55% of plastic protective-case share — strong chemical resistance, low-temperature toughness and cost efficiency; ABS holds ~30% with harder, glossier surfaces; large thick-wall cases favor rotomolded PE. Plastic/polymer cases together account for 63.7% of the industrial protective case market (2025).

Foam Inserts (EVA / PU / XLPE)

Three insert materials dominate: EVA (closed-cell, waterproof, firm support for precision instruments), PU foam (open-cell, soft cushioning, economical) and XLPE (chemically inert, non-shedding — preferred for medical and optics). CNC pockets are cut from the equipment's 3D data; drawing-to-first-sample typically takes 1–2 weeks.

Typical Applications

  • Surveying instrument field carry
  • Third-party lab on-site sampling
  • Metrology equipment calibration logistics
  • Fiber-optic construction toolkits
  • Laboratory relocation and equipment loans
  • Manufacturer co-packing programs

Product Overview

The kexinMaterials Heavy Duty Calibration Case for Surveying is one-piece molded from engineering plastics, balancing impact strength, sealing and long-term durability — available from stock or fully customized. Key specs below.

On process: the Heavy Duty Calibration Case for Surveying can be injection, rotational or blow molded. Injection gives precise sealing and repeatability; rotomolding yields large seamless shells with thick-wall toughness; blow molding suits light, economical builds. kexinMaterials runs all three lines and matches the process to your protection grade and budget.

For interior protection, the Heavy Duty Calibration Case for Surveying ships with or accepts CNC-cut EVA/PE foam, routed to your equipment's 3D data so nothing shifts in transit; precision instruments can add ESD-safe or cushioned layered structures.

On quality, the Heavy Duty Calibration Case for Surveying passes batch drop, stack and immersion checks; key models can be tested to MIL-STD-810H for drop and vibration, with material and third-party test reports supplied for export and industry acceptance.

Manufacturing Process

High-pressure injection molding keeps shell tolerances tight for reliable sealing, and inserts are CNC-cut after drop-simulation checks. Volume co-packing projects follow a PDI inspection routine so cushioning performance stays consistent across batches.

Precision Instrument Cases · Heavy Duty Calibration Case for Surveying — 客信新材料 kexinMaterials
Precision Instrument Cases · Heavy Duty Calibration Case for Surveying

Field Case Studies

Metrology institute

600 anti-static liner cases for precision calibrators using non-shedding XLPE; zero scratch incidents in annual off-site checks.

Industrial-sensor maker

3,000 cases CNC-cut to probe shapes, thermal-shock verified -40°C↔+71°C, protecting gear across overseas expos.

About kexinMaterials

KeXin New Materials (Guangdong) Co., Ltd. (brand: kexinMaterials) is a source factory for engineered plastic cases based in Guangdong, China, operating injection, rotational and blow molding lines with an in-house tool shop. Nine product series serve buyers worldwide — from military and drone cases to medical, photography and business lines.

Why kexinMaterials: factory-direct pricing with no middle-man margin; three molding processes under one roof; in-house tooling for controlled lead times; batch drop and seal testing; factory audits, samples-first and third-party QC all supported.

Frequently Asked Questions

Do you offer anti-static interiors?

Yes — anti-static foam and conductive EVA with surface resistance in the 10^6–10^9 ohm range for PCBs and electronic modules.

What standard sizes are available?

Our stock molds run from roughly 200 mm internal length for handheld meters up to 800 mm-plus for benchtop instrument transit cases, across more than a dozen size steps. Send the instrument's dimensions and weight and we will match the closest existing mold to avoid tooling cost.

Will air freight pressure lock the case shut?

No. The automatic pressure equalization valve balances internal pressure while keeping the seal waterproof.

How do you keep instruments in calibration after shipping?

By interrupting the vibration path: high-density EVA is cut to the instrument profile so a 20–30 mm cushion separates it from the shell, with energy-absorbing foam underneath. For high-precision units we can add isolation mounts or a suspended insert to attenuate transport shock within the instrument's tolerance.

Do you make 19-inch rack-mount cases?

Yes. We offer rack-frame protective cases supporting 2U to 8U equipment, with the rack isolated from the shell by shock mounts — suitable for field test systems, communications gear and mobile equipment rooms.

Are you a factory or a trading company?

kexinMaterials is a source factory for engineered plastic cases based in Guangdong, China, with injection, rotational and blow molding lines and an in-house tool shop. Factory audits and video tours are welcome.

Key Terms Explained

Load rating
The maximum payload a case can carry while keeping shell and handle structurally safe. Injection-molded carry cases are typically rated 25–40 kg and large rotomolded transit cases 80–150 kg; overloading deforms the floor and breaks handles.
EVA foam insert
Ethylene-vinyl acetate closed-cell foam: dense, resilient, CNC-machinable and resistant to permanent compression set. In protective cases it is cut to the equipment profile and is the preferred lining for precision instruments and high-value gear.
IP67 rating
An ingress protection code from IEC 60529. The first digit 6 means dust-tight; the second digit 7 means no water ingress during 30 minutes at 1 m depth. It is the mainstream sealing benchmark for protective cases covering outdoor, marine and emergency short-immersion use.

Common Misconceptions

Is a heavy-duty case just a thicker, heavier standard case?

Heavy duty is about whole-life reliability, not accumulated mass. The real differences are replaceable wear parts, controlled gasket material and compression set, metal inserts instead of self-tapping screws, and joints validated over fatigue cycles. Many thickened cases lose their seal after just 200 open-close cycles.

Is packing a lens tightly the safest approach?

The opposite is true. Tight packing conducts shell impacts straight into the barrel and blocks moisture from dissipating. Optics should be suspended — a continuous elastic medium with clearance between equipment and shell attenuates shock along the transmission path while allowing airflow and dehumidification.

Need wholesale or custom cases?

kexinMaterials quotes factory-direct — confirm samples before mass production.

Visit Our Store

Certifications & Compliance

Materials are RoHS- and REACH-compliant, with CE marking and market-specific compliance files available on request. Sealing is verified to IP67 (IEC 60529), and we supply MIL-STD-810H transit-drop and vibration test documentation plus third-party immersion/drop test reports, with factory audits and incoming QC welcome.