Relative Humidity Setpoint by Material Class Lookup
Exact independently verified material-specific RH setpoints registry lookup in explicit collection/condition, mixed materials, environmental history and verified conservation policy context, retaining source and as-of date. Caller supplies actual applicable records, qualifications and uncertainty; illustrative examples are not authoritative data. No complete/current catalog, eligibility, authenticity, clinical, legal, safety or compliance determination.
Description
Relative-humidity setpoints depend on material, condition and applicable conservation guidance.
Relative-humidity setpoints depend on material, condition and applicable conservation guidance.1
A supplied reference is distinct from a universal material-class humidity target.
When to use Relative Humidity Setpoint by Material Class Lookup
Use this tool to retrieve a recorded reference with its source context. Establish the object or visitor scope, measurement units and independently applicable conservation, engineering, access or editorial reference.
How to use Relative Humidity Setpoint by Material Class Lookup and understand its results
- Establish the object or visitor scope, measurement units and independently applicable conservation, engineering, access or editorial reference.
- Enter callerVerifiedSource, callerVerifiedContext, callerVerifiedAsOfDate, callerReferenceKeys, callerReferenceTexts, queryReferenceKey, using the field meanings and rules below, then run the tool.
- Read result.matchedCallerReference, result.source, result.context, result.asOfDate. Use the units and sign conventions below.
- Correct any reported input issue and run again. Before using a successful result, check the stated units, signs, reference scope and observation coverage.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| callerVerifiedSource | Caller verified source; supplied assertion, not independently verified; output retention depends on the rules below | string | Required |
| callerVerifiedContext | Caller verified context; supplied assertion, not independently verified; output retention depends on the rules below | string | Required |
| callerVerifiedAsOfDate | Caller verified as of date; real Gregorian YYYY-MM-DD date for the supplied record | string | Required |
| callerReferenceKeys | Caller reference keys | list of string | Required |
| callerReferenceTexts | Caller reference texts | list of string | Required |
| queryReferenceKey | Query reference key; use the exact reference token or coordinate domain stated below | string | Required |
Supply nonblank source and context strings, each at most 256 UTF-16 units, and a real Gregorian YYYY-MM-DD as-of date. Supply nonempty aligned reference keys and texts, with unique nonblank exact keys and nonblank texts. Select an exactly matching key; matching is case-sensitive without trimming or normalization. The tool returns the corresponding text and copies the supplied source, context and date. It does not fetch or independently verify a reference or its applicability.
matchedText=texts[indexOfExact(queryKey,keys)]; source/context/date=copied caller assertions Use the matching field units and the exact boundary, ordering and reference rules above.
| Output field | Meaning | Value type |
|---|---|---|
| result | Structured result; its nested fields below contain the actual calculation or selected reference | object |
| result.matchedCallerReference | Caller-supplied text at the exact matching reference key; returned unchanged | string |
| result.source | Caller source assertion copied unchanged, without independent verification | string |
| result.context | Caller applicability context copied unchanged, without independent verification | string |
| result.asOfDate | Caller reference date copied unchanged after Gregorian date validation | string |
{
"input": {
"callerVerifiedSource": "independently-reviewed-source/edition",
"callerVerifiedContext": "collection/condition, mixed materials, environmental history and verified conservation policy",
"callerVerifiedAsOfDate": "2026-01-01",
"callerReferenceKeys": [
"record-a",
"record-b"
],
"callerReferenceTexts": [
"Caller independently verified material-specific RH setpoints record a",
"Caller independently verified material-specific RH setpoints record b"
],
"queryReferenceKey": "record-a"
},
"output": {
"result": {
"matchedCallerReference": "Caller independently verified material-specific RH setpoints record a",
"source": "independently-reviewed-source/edition",
"context": "collection/condition, mixed materials, environmental history and verified conservation policy",
"asOfDate": "2026-01-01"
}
}
}Limitations and assumptions
Object condition, observation coverage and applicable references determine applicability. A supplied comparison or record does not certify conservation treatment, engineering, access compliance or insurance eligibility. Reference records and their claimed verification are supplied by the caller; the tool does not retrieve or verify them.
Missing required fields, unknown fields, wrong types and violated rules return input issues. Numeric values and outputs must be finite. Lists and matrices must be dense, without missing cells. Numeric lists allow at most 10000 entries; ordinary string lists allow at most 128 strings of 128 UTF-16 units each; numeric matrices allow at most 128 rows and 128 columns, subject to narrower requirements above. Extremely large composite outputs are rejected.
Alternative or Complementary methods
For a related step, use Temperature Setpoint by Collection Type Lookup: Collection temperature setpoints depend on material condition and the applicable conservation reference. For a complementary comparison, use Acid-Free Mount Board pH Pass Checker: Mount-board pH is one measured property relevant to material compatibility.
References
Similar or alternative tools
- Temperature Setpoint by Collection Type Lookup
Collection temperature setpoints depend on material condition and the applicable conservation reference.
- Acid-Free Mount Board pH Pass Checker
Mount-board pH is one measured property relevant to material compatibility.