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MHS · REMOVABLE MOBILE HABITATS

The global knowledge portal for removable mobile habitats.

Compare campers, understand their systems, solve technical questions, discover real journeys and follow the industry in one independent platform.

100-point ratingEvidence-based recordsTechnical knowledgeTravel & field reportsVerified incident evidence

Top rated modules

The twenty highest ranked assessed configurations currently published by MHS.

RankManufacturer / ModelCountryEvidenceRatingClass
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MHS classes

The full MHS scale runs from 0 to 100 points.

How MHS works
A+90–100
A75–89.9
B60–74.9
C45–59.9
D30–44.9
E20–29.9
F0–19.9

MHS NEWS

Independent coverage of products, manufacturers, technology, market developments, events and regulation.

All news

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MHS CAMPER DATABASE

Explore removable campers.

Browse the MHS market catalog, filter by vehicle fitment and technical specifications, compare assessed products and open a structured profile for every published model.

–Catalog records
–Assessed
–Manufacturers
–Countries
⌕
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MHS TECHNICAL KNOWLEDGE

The engineering encyclopedia behind mobile habitats.

Understand the components inside a camper, how complete systems are built and how the engineering works in practice. MHS Technical connects equipment, system architecture, guides and confirmed camper installations.

Explore by system

Start with the subsystem you are trying to understand. Each system connects architecture, components, guides and camper installations.

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Technical records

Foundation records for the MHS Technical Knowledge Base.

One engineering layer across MHS

A camper profile tells you what product exists. Technical explains what is inside it, how the system works and which exact components are confirmed in real camper records.

COMPONENTA specific piece of equipment and its verified manufacturer data.
SYSTEMThe architecture that connects multiple components into one working subsystem.
GUIDEA practical explanation of an engineering question or design decision.
CAMPER LINKConfirmed installations connect technical records back to real products.
MHS TECHNICAL / SYSTEM 01

Power & Electrical

The electrical system is the energy backbone of a mobile habitat. This page shows the architecture from charging sources to storage, distribution, conversion, protection and monitoring, then links each layer to the MHS component and guide records that explain it.

System architecture

This is a conceptual architecture, not an installation wiring diagram. Exact cable sizes, protection devices, charging limits and grounding depend on the selected equipment and vehicle.

Vehicle alternator
→
DC/DC charger
→
House battery
Solar array
→
MPPT controller
→
House battery
Shore power
→
Inverter / charger
↔
House battery
House battery
→
DC distribution + protection
→
12 V loads
House battery
→
Inverter
→
AC loads
Monitoring sits across the architecture rather than in the power path: shunts, chargers, inverter/chargers and gateways report energy flow and device state without replacing hardwired protection.

What the system has to do

  • Accept energy from the vehicle, solar and shore-power sources that are actually installed.
  • Store energy in the house battery within the battery and BMS operating limits.
  • Distribute DC power with branch protection and service isolation.
  • Convert DC to AC when an inverter is part of the camper architecture.
  • Expose enough monitoring to understand battery state and charging behaviour.

MHS records in this system

← Back to Technical
MHS / Technical

Truma Combi comfort plus:更高输出的丙烷/电加热和热水

北美组合式炉/热水器,具有 7,500/14,300/20,400 BTU/h 燃气等级、850/1,700 W 电加热以及集成式 10 L 水箱。

Overview

comfort plus 的不同之处

Truma Combi comfort plus 将空间加热和生活热水结合在一台北美设备中。与 Combi eco plus 相比,其显著特点是增加了第三档丙烷运行等级 20,400 BTU/h / 6 kW,用于更大型的车辆。

根据所选运行模式,该产品可以加热舱内空间、加热其集成式 10 L 水箱,或同时进行两者。

三档丙烷等级

Truma 发布的燃气输入等级为 7,500、14,300 和 20,400 BTU/h。相应的燃料消耗量为 150、290 和 410 g/h。

这些是燃烧器运行等级,而不是固定的每晚燃料用量。恒温器和控制系统会根据热需求、室外温度以及露营舱的热特性循环运行或选择输出。

来自 120 V 的电加热

集成式电加热元件提供 850 W 或 1,700 W。Truma 在 120 V 侧列出 7.1 A 和 14.2 A。

MHS 说明。电流受限的营地电路可能无法在空调、电热水壶或其他大负载同时运行时支持最高电加热档位。即使加热器有自己的控制装置,岸电规划仍然很重要。

混合模式

在混合运行中,可以同时使用丙烷加热和电加热。Truma 将混合额定值列为 14,300 BTU/h(4.2 kW)加 1,700 W 电加热。

不要简单地将不同模式下公布的每个最大值相加来创建新的“总”额定值。应使用制造商的模式定义。

集成式 10 L 热水箱

水箱容量为 2.64 US gal / 10 L。Truma 表示,在热水模式下,将水从 59°F 加热至 140°F 大约需要 23 分钟。

10 L 数值表示设备内部的热水储存量。在淋浴时,热水会与冷水混合,因此可用的混合水量取决于进水温度、所选出水温度和流量。

为什么最大的 Combi 仍需要 12 V

丙烷和 120 V 电力提供热量,但控制装置和鼓风机依赖于 RV 的 12 V 电气系统。Truma 在 12 V 侧公布了 6.1 A 的瞬时最大值。

因此,即使丙烷气瓶已充满,如果生活电池电量过低而无法运行电子设备和风扇,也不能保证能够加热。

水压限制

最大进水压力列为 40.6 psi / 2.8 bar,最大系统运行压力列为 65.3 psi / 4.5 bar。

这些是设备限制,而不是建议的泵设置。泵、调节器、管路和其他装置都必须与实际水压相匹配。

重量和安装空间

设备重量为 37.0 lb / 16.8 kg,尺寸约为 465 × 523 × 300 mm。

这是产品本体的尺寸。安装还需要为燃气、水、电气连接、暖风管道和维护通道预留空间。紧凑型设备舱应依据安装手册进行评估,而不能只看本体尺寸。

暖风分配很重要

只有当管道布局能够有效分配暖风时,强力炉才能均匀加热露营舱。管道过长、出风口关闭以及回风路径不佳都可能造成冷热区域。

MHS 说明。额外的 20,400 BTU/h 等级只有在供暖系统的其他部分能够不受限制地分配该输出时才有用。

夏季热水运行

水可以独立于舱内加热进行加热。在温暖天气中,当用户需要淋浴水或水槽用水但不想加热生活空间时,这一功能很有用。

这种分离是组合式炉/热水器架构的实际优势之一。

Interconnect 和 CP plus

Truma 描述了与其控制生态系统的集成,包括已安装在兼容系统中的 CP plus,以及支持的 Truma 空调所具备的 Truma Interconnect 功能。

这并不能证明每个配备 Combi comfort plus 的露营舱都具有 Truma 空调或完整的自动气候系统。这些部件需要各自的证据。

冬季化

作为冬季准备的一部分,必须排空集成式水箱。Truma 公布的操作步骤首先要求关闭水泵,在适用时断开城市供水,并打开出水口,然后再排水。

露营舱制造商可能会增加旁通阀或其他低点。应使用完整的露营舱冬季化程序,而不只是加热器页面上的步骤。

在露营舱中需要检查的事项

确认确切的 Combi comfort plus 标签。不要仅因为最大燃气输出相近,就将其与 eco plus 或欧洲 Combi 6 E 混淆。

分别测试燃气加热、电加热和热水。如果混合模式很重要,应在充足的岸电连接上进行测试。同时确认排水口和维护通道的位置。

为什么 MHS 目前只链接了一个 Bigfoot

Bigfoot 在多个型号上提供 Combi Comfort Plus 作为选装项,但可用性并不等同于已安装设备。在当前的 MHS 证据中,25C9.6LB Factory-Max 配置明确选择了 Combi Comfort Plus。

在其所选配置或实际制造结果确认该部件之前,其他 Bigfoot 型号仍不会被链接。

关键要点

Combi comfort plus 是输出更高的北美 Combi,配备第三档 20,400 BTU/h 丙烷等级、电加热和集成式 10 L 热水。实际系统仍取决于 12 V 电源、岸电电流限制、管道布置和供水系统设计。

来源

Truma — Combi comfort plus

Where it fits

  • 北美露营舱中的高输出组合式空间加热和热水
  • 配备相应设备的营地中的丙烷、电力和混合加热
  • 10 L 集成式生活热水储存

What to verify

  • 确认确切的 Combi comfort plus 型号,而不是 eco plus 或 EU Combi
  • 检查 120 V 电流容量和 12 V 供电
  • 核实丙烷系统和暖风管道布局
  • 检查水压、排水和冬季化程序
  • 分别确认控制面板/Interconnect 设备

Design notes

北美 Truma Combi comfort plus。没有所选配置证据时,不将作为出厂选装项的可用性视为已安装。

← Back to Technical
MHS TRAVEL & FIELD

Documented journeys, not travel inspiration.

MHS Travel connects routes, vehicles, removable campers and field events into structured evidence from real journeys.

Published journeys0
Distance documented0 km
Countries0
Field events0
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Field evidence belongs to the product record.

A journey is useful when it records what actually happened: distance, weather, road mix, failures, repairs, autonomy and the exact vehicle/camper combination. MHS keeps those observations linked instead of turning them into disconnected travel stories.

Structured journey record
Route · dates · distance · temperatures · road mix · vehicle · camper · field events · source · evidence level.
Have a documented removable-camper journey?

Send MHS the source, route and equipment details. We can structure it as a field record.

Contact MHS
MHS / Travel / Journey
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Journey

Field report

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MHS / Global Rating

Global Rating

Full published MHS list. Rank is determined by the current MHS assessment, while the public table shows only the information needed to identify and compare records.

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Current models–public catalog
Assessed–published MHS assessments
80+ score–public +40 scale
Top score–current public leader

MHS Top 10

The current leaders among models with a published MHS assessment.

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80+–
70–79.5–
60–69.5–
<60–
Rating filters are literal: no hidden weighting or recommendation logic is applied here.
RankManufacturer / ModelCountryEvidenceRatingClass
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MHS / Find My Habitat
MHS Match · BETA

Find the habitat that fits your use

MHS Match first removes modules that conflict with your hard requirements. It then compares the remaining products against your travel profile and priorities. MHS Score and Match Score are intentionally separate.

Matching logic
1Hard compatibility filters
2Must-have requirements
3Weighted personal fit
4Diverse 3–5 model shortlist

Vehicle compatibility

These answers create hard filters. A product that cannot fit the selected vehicle class or installation type is removed before scoring.

Step 1 of 4

How will you use it?

These inputs describe the operating environment and living profile. They affect Match Score, not the product’s MHS Score.

Step 2 of 4

Must have or just preferred?

A Must-have is a hard filter. Prefer affects the Match Score. Doesn’t matter is ignored.

Step 3 of 4
Four-season heating
Internal shower
Toilet
Air conditioning
Pop-up roof
Solar + lithium
Central digital control
Advanced safety monitoring

Choose your top priorities

Select up to three. They receive extra weight only after all hard filters are applied.

Step 4 of 4
3 of 3 priorities selected.
1,100 kg
No budget question: MHS does not filter the shortlist by price. You decide what you are willing to offer after seeing suitable modules.

Your MHS Match shortlist

The shortlist is intentionally diverse: Best Overall, Lightweight, Winter, Technology and Alternative.

Results
Vehicle–
Exact matches–
Priorities–
Max dry mass–
Prototype data warning: the matching logic is final-form, but the fit/feature attributes are still a prototype dataset. Before publication they must be populated from the audited MHS evidence database.

Interested in several candidates?
Select models and send the same buyer offer to all of them. MHS will create separate manufacturer enquiries internally.

What happens after you make an offer?

No account is required at the MVP stage.

1. MHS receives your requestYour contact details, selected module, vehicle, timeframe and price appear in the MHS admin queue.
2. MHS contacts the manufacturerWe manually send a structured enquiry from MHS. Your personal contact details are not automatically passed on.
3. MHS contacts youIf the manufacturer accepts, counters or asks for clarification, MHS follows up by email or phone.
MHS / Reliability Research
MHS INCIDENT EVIDENCE

Reliability starts with evidence, not a ranking.

MHS is building a model-specific record of real failures, repairs and field incidents. The current phase measures evidence coverage and exposure. It does not name a “most reliable” camper before the data are comparable.

Current model coverage – / –
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Verified incident cases–Distinct cases. A failure and its repair remain one case.
Incident source URLs–Unique public URLs supporting current-model incident cases.
Technical cases–Camper system, supplier component or unknown technical origin.
Failure / repair rows–Event rows in the journal; not the same as independent incidents.
Data collection phase

What the current numbers mean

Coverage tells us where MHS has verified incident evidence. It does not tell us which model is more reliable.

One problem = one incident case

If a component fails and is later repaired, MHS links those records to the same incident case instead of counting two failures. This prevents repair documentation from artificially worsening a model’s record.

The public case count is therefore intentionally lower than the number of failure / repair event rows.

Not every incident is a reliability penalty

Physical damage caused by an external event or by user operation can be useful field evidence, but it should not reduce technical reliability.

Technical
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External damage
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User operation
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Evidence acceptance rules

The model identity and the incident itself must both be supported by the source.

Accepted

  • Exact camper model is identifiable from the source.
  • A concrete failure, repair or physical incident is described.
  • A public source URL can be reopened and checked.
  • Model year is retained when known, especially for long-running model names.
  • Official recalls count only when applicability to the exact model is explicit.

Rejected

  • General complaints about a brand or product family.
  • Problems reported for a neighboring model or uncertain subtype.
  • Normal maintenance, preferences or design annoyances without a failure.
  • Vehicle failures that are not failures of the camper.
  • Rumor, second-hand claims or a model guessed from photographs.

Why MHS does not publish a reliability ranking yet

A raw incident count is meaningless without exposure and independent users.

Four incidents across 180,000 documented kilometres can represent stronger field performance than two incidents across 8,000 km. MHS will only compare models when the evidence base is sufficiently broad.

100+models in a valid comparative sample
100,000 kmdocumented exposure per model
50+independent contributors per model

Source transparency

Every published incident must remain traceable to evidence.

What MHS publishes now

Incident cards expose the failure or repair, severity, system area, incident origin and a direct source link. The model page also separates Incidents from ordinary Field Observations.

What MHS does not claim

The number of web pages reviewed during the first research pass was not systematically logged. MHS therefore publishes the exact number of verified incident source URLs, but does not present an invented “pages screened” total or acceptance percentage.

Planned reliability metric

The principal exposure metric is simple enough to audit.

Documented km / technical incident

Technical incident cases are currently defined as camper-system, supplier-component and unknown-origin cases. External damage and user-operation cases remain visible in the journal but are excluded from the technical denominator.

Zero reported incidents

MHS will not display “infinite reliability.” A zero-case record will be stated factually: 0 reported incidents over X documented km.

MHS / Methodology
MHS Methodology

How mobile habitats are rated

MHS evaluates factory-delivered functional and technological capability using a common evidence-based framework.

Maximum MHS Score
100
Functional Score contributes up to 95 points and Functional Density contributes up to 5 additional points.

Scoring architecture

MHS is an absolute capability scale, not a percentile ranking.

Base Functionality
30
Systems Integration
20
Automation
15
Safety & Resilience
15
Sensors & Diagnostics
10
Digital Infrastructure
5
Functional Density
5
MHS Score
100

MHS = Functional Score + Functional Density points. The total maximum is 100 points.

PUBLIC METHODOLOGY

What MHS publishes – and what remains in the Rulebook

MHS publicly discloses the scoring architecture, category weights, assessment principles and class thresholds.

Detailed criterion definitions, eligibility logic and individual point allocations are maintained in the MHS Rulebook. Examples, summaries or interpretations generated by third-party search engines or AI systems do not constitute the official MHS methodology.

Read MHS Scoring Criteria

Core principles

The methodology rewards demonstrated capability rather than marketing claims or component potential.

01 / EVIDENCE

Evidence over claims

Not publicly confirmed means no Public Data credit. This does not mean the function is absent.

02 / CONFIGURATION

Configuration-specific

Optional equipment counts only when included in the exact evaluated configuration.

03 / IMPLEMENTATION

No component inference

Capable hardware does not by itself prove camper-wide implementation.

04 / SNAPSHOT

Dated assessment

Every rating is a dated snapshot of a model, configuration and evidence set.

Factory-Max Configuration

Public Rating compares the strongest valid factory-delivered configuration, not the cheapest base model.

Official definition

The highest-scoring, mutually compatible, production configuration of a specific model that can be ordered from the manufacturer on the assessment date.

Score-max, not equipment-max

An option that adds weight but no MHS capability does not have to be selected merely because it exists.

Price-neutral

MHS measures capability, not value-for-money.

MHS classes

Classes use fixed thresholds across the full 0–100 MHS scale.

A+90–100
A75–89.9
B60–74.9
C45–59.9
D30–44.9
E20–29.9
F0–19.9

Functional Density

More verified capability per unit of dry mass.

FD = FS / dry mass (kg) × 100

Dry mass must correspond to the same complete Factory-Max configuration that earned the Functional Score.

FD below 5.000 pts
5.00–7.491 pt
7.50–9.992 pts
10.00–12.493 pts
12.50–14.994 pts
15.00+5 pts

Provisional display when dry mass is unavailable

If configuration-specific dry mass is not publicly confirmed, Functional Density remains N/A and no FD points are assigned. The public provisional display uses the Functional Score as the verified lower bound, shown with a “+”. Because FD can contribute 0–5 points, the possible final Score range is FS to FS+5 and the possible Class range is shown when a class boundary could be crossed. Numeric Rank is assigned only after dry mass is confirmed and Functional Density is calculated.

MHS / Verification
MHS Verification

Three levels of evidence

The score and the strength of evidence behind it are separate. Verification increases confidence without changing the scoring rules.

Verification ladder
  • 01 · PUBLIC DATA
  • 02 · MANUFACTURER VERIFIED
  • 03 · MHS VERIFIED

Assessment levels

LEVEL 01

PUBLIC DATA

Scored only from publicly accessible manufacturer information and official documentation.

  • Official model pages
  • Configurator / option lists
  • Owner manuals
  • Specification sheets
LEVEL 02

MANUFACTURER VERIFIED

The manufacturer confirms the evaluated configuration and supplies supporting evidence.

  • Configuration confirmation
  • Compatibility confirmation
  • Technical evidence
  • Configuration-specific dry mass
LEVEL 03

MHS VERIFIED

MHS directly verifies configuration and selected functional claims.

  • Inspection
  • Live demonstrations
  • Condition → action tests
  • Failure / fallback tests

What changes between levels

Verification elementPublic DataManufacturer VerifiedMHS Verified
Official public sourcesYESYESYES
Manufacturer confirmationNOYESYES
Non-public technical evidenceNOACCEPTEDACCEPTED
Live functional testingNOOPTIONALYES
MHS functional auditNONOYES

Manufacturer verification process

Manufacturers submit evidence, not score requests.

1

Submit model data

Identify model, region, model year and exact configuration.

2

Provide evidence

Submit official technical documentation and configuration proof.

3

MHS review

Check evidence quality, compatibility and criterion eligibility.

4

Record update

Publish new status, date and score if applicable.

Accepted evidence

  • Official manufacturer specifications
  • Factory order sheets
  • Technical drawings
  • Controller screenshots
  • Dry-weight documentation
  • Video or live demonstrations

Not sufficient by itself

  • Generic component datasheets
  • Dealer-added accessories
  • Marketing claims without support
  • Roadmap or “in development” features
  • Capabilities borrowed from another model
MHS / About
About MHS

One common standard for mobile habitats

MHS is an independent rating framework for comparing functional and technological capability across manufacturers and markets.

Why MHS exists
Comparable products need comparable evidence.

Mission

Our mission

Make mobile habitats measurable

MHS provides a common language for assessing verified capability.

Our objective

Make evidence more important than claims

A feature is credited only when the evaluated model and configuration support it.

Core principles

01 / NEUTRALITY

Same rules for every manufacturer

Brand size, country, price and commercial relationships do not change scoring rules.

02 / EVIDENCE

Claims must be supported

Higher verification levels require stronger evidence.

03 / TRACEABILITY

Every score is dated

Model, configuration, assessment date, level and MHS version remain visible.

04 / CONFIGURATION

No imaginary builds

Factory-Max must be orderable, production-ready and mutually compatible.

05 / PRICE NEUTRALITY

Capability is not value-for-money

Price does not add or subtract MHS points.

06 / CORRECTION

Records can be revised

Better evidence and product changes can trigger a dated reassessment.

Scope

Currently in scope

  • Removable pickup-bed living modules
  • Slide-in truck campers
  • Flatbed pickup campers
  • Current production models
  • Regional variants when equipment differs materially

Outside current scope

  • Permanent motorhome conversions
  • Heavy expedition trucks
  • Travel trailers
  • Roof-top tents
  • One-off custom builds
  • Concept products not orderable

MHS scores are not for sale

Payment, sponsorship, advertising or commercial relationships do not purchase points, class, rank or favorable interpretation.

No paid score increases
No ranking changes for advertising
Corrections require evidence
No manufacturer veto over evidence-based results

What MHS is not

Not a value-for-money ranking

Price is outside the MHS capability score.

Not a popularity ranking

Sales volume and brand recognition do not add points.

Not a legal compliance certificate

MHS does not replace product certification or applicable legal standards.

Not a substitute for buyer priorities

Budget, service access, payload and intended use may still matter greatly.

Contact MHS

Questions, corrections, partnership enquiries or feedback about the platform.

MHS / Submit manufacturer data
Manufacturer Submission

Submit manufacturer data

Provide official evidence to complete, correct or verify your model’s MHS record. MHS applies the same methodology to all manufacturers and does not negotiate scores.

Use this form to
  • Confirm Factory-Max configuration
  • Provide evidence
  • Correct outdated data
  • Request Manufacturer Verified review
  • Prepare for MHS Verified assessment

1. Manufacturer and model

2. Submission purpose

3. Evaluated configuration

4. Official sources

5. Technical evidence

6. Manufacturer contact

Prototype submission received. The live site would create an MHS review case and send a confirmation email.
MHS / Campers / Manufacturer
MANUFACTURER PROFILE

Manufacturer

Current removable-camper model line in the MHS market catalog.

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Current models–market catalog
Assessed–published MHS assessments
Best score–public MHS scale
Average score–assessed models only

Current model line

Select up to four models to compare.

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Manufacturer · Country

Model

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– Factory-Max PUBLIC DATA CURRENT

Find My Habitat
Country–
Global rank–among assessed
Position–current MHS Rating
Evidence–

What this score means

MHS measures maximum factory-delivered functional and technological capability. It is not a price, value-for-money, popularity or sales ranking.

Assessment basis

Public Data ratings award credit only for functions that can be confirmed from public manufacturer information. Not publicly confirmed means no credit. This does not mean the function is absent.

Evaluated configuration

Configuration–
Assessment Level–
Status–

Public record

This page shows aggregate public information only. Internal section scoring, individual criterion results and audit notes are not published.

TECHNICAL PROFILE

Specifications

Manufacturer-published and MHS-verified model data. Unknown values remain unknown rather than being inferred.

EVIDENCE & FIELD USE

Assessment evidence & real-world use

Public assessment sources plus high-confidence Journey records linked to this exact camper model.

Representative journeys
ASSESSMENT EXPLAINER

Why this score

Publicly confirmed capabilities that help explain the published MHS assessment.

This is a public explanation layer. Internal criterion weights, detailed scoring rules and audit notes are not published.

Evidence & related records

Verified technical references, documented journeys and relevant MHS news linked to this model.

Technical

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Travel

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NEWS

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