Assertion: meter's reading | /r/HasProperty | unreliable
Facets:
Source sentences:
text: If the meter cannot be tested or its reading is unreliable, the consumer and supplier have to negotiate a settlement.
text: For most pulse oximeters for general use, the reading is unreliable or unavailable if PI is at or below 0.4%.
text: Readings below these levels are unreliable because there is just too little water in the wood.