Model documentation · Informational only

FM500C1

Thermal imaging square Mini sight

Square-format thermal-series documentation and model-identity reference.

Source-bounded technical informationBasic facts and care notes, with original wording and evidence limits retained.

Checked against the identified source

Basic technical record

Values below are statements checked in the identified supplied document, not independent measurements or certifications.

FM500C1 basic source-checked statements
Field	Source statement
Model identifier	FM500C1 / FM500C01Owner-confirmed model alias
Product family	Thermal imaging square Mini sightOwner description; p. 1
Detector resolution	256 × 192 pixelsp. 4
Display	1.6-inch · 360 × 320 pixels Screen technology is not named; no OLED label is inferred. p. 4
Image capture	Still photos and video No storage capacity, encoding, audio or recording-rate claim is added. p. 4
Weight	99 g (excluding batteries)p. 4
Dimensions	53 × 42 × 43 mm Axis order and measurement boundary are not stated. p. 4
Operating temperature	−20 °C to +50 °C Values apply after thermal equilibrium within the listed operating-temperature range. p. 4
Storage temperature / humidity	0 °C to +55 °C · ≤ 80% RH Dry, ventilated storage free from corrosive gases; not an operating-humidity or enclosure-rating claim. pp. 4, 20

Conditions: the supplied document requires thermal equilibrium within the listed operating range. The model alias does not authorize copying YM500D1 parameters. No independent hardware test is asserted.

Not asserted as verified

Information awaiting confirmation

Detector material/type and display technology.
Approved cell chemistry/capacity, charger and package quantities.
External electrical current, approved supply and charging/data capability.
Upstream original-source provenance and independent test/certification evidence.

Non-operational information

Safety and care FAQ

How should the housing and optics be cared for?

Use a clean, soft, dry cloth on non-optical surfaces. The supplied manual prohibits organic solvents, alkaline cleaners and abrasive fabrics, and says to avoid touching optics with fingers.

pp. 19–20 · Routine maintenance

What light, heat and moisture hazards should be avoided?

The supplied manual says not to direct the unit at the sun, lasers, welding equipment or intense heat sources, whether powered on or off. Avoid dust, rain and condensation and remain within documented temperature limits.

p. 19

What if the unit becomes abnormally hot, odorous or damaged?

Stop using it and seek qualified service assessment. The supplied manual prohibits disassembly, modification, non-original parts and interior cleaning by the user.

pp. 19–20

What storage conditions does the manual specify?

Dry, ventilated storage free of corrosive gases, at 0 °C to +55 °C and no more than 80% RH. Use the protective case and protect the unit from impact, sunlight and corrosive substances.

p. 20 · Storage

What does source-checked mean on this page?

The statements have been checked against the identified supplied document or explicit model-identity confirmation. This is not independent hardware testing or certification; unresolved information is listed separately.

Source note

Is the device presented as solar-viewing equipment?

No. Do not use it to observe the Sun. NASA warns of serious eye hazards when solar viewing through optics lacks purpose-designed protection.

Source note

Does citing an IP standard certify this model?

No. IEC 60529 defines enclosure-protection classifications. A reference to the standard does not establish that a particular model has been tested or certified.

Source note

Source transparency

References and evidence limits

External references explain general science or safety. They do not test, certify or endorse these models.

FM500C01 · supplied English reference, revision v2 (2026-10-18)Owner-supplied ERDI document · 24 pages
Owner-confirmed FM500C1 / FM500C01 alias. Exact supplied PDF: basic table p. 4, care pp. 19–20. Values apply within the stated operating-temperature range after thermal equilibrium; other acceptance conditions follow the delivery documents.
Infrared Waves NASA Science
General infrared-science background; not a model specification or endorsement.
Calibration and Measurement Procedures for a High Magnification Thermal Camera NIST · Lane & Whitenton · NISTIR 8098 (2016)
Thermography calibration and uncertainty; not a test of these products.
IEC 60529 · Degrees of protection provided by enclosures (IP Code) International Electrotechnical Commission
Official standard abstract only; no product certification is asserted.
Eclipse Viewing Safety NASA Science
General solar-viewing hazard guidance; these devices are not presented as solar-viewing equipment.

Documentation review: 2026-10-19. This reference does not distribute a complete operating manual, imply certification, or establish a use-case capability beyond the cited information.