Probably Stolen LedgerUnofficial player handbook中文

AquaScan

水质扫描仪
Base price
200
Cozy240
Normal230
Hard200
Challenge200

Shelf price = base price × (1 + retail markup for the difficulty). Open the pricing calculator with this item

Types
Household goodsWater purification
Contraband
No
Category
Amenities (AmenitiesItem)
Data version
VERSION 100-Rev6

Stolen-goods discount

Heat 25Heat 50Heat 75Heat 100
180170160150

Events that move its price

EventLastsEffectDraw weight
Household Item Surplus1 dayHousehold goods -20%15
Water Supply Crisis3 daysWater purification +40%15
Minor Water Shortage2 daysWater purification +25%15
Water Supply Surplus2 daysWater purification -15%15

Who buys it8

CustomerFactionVisitBudget on day 1Per day
SpacerLower LevelsBuying50–85+2
MerchantLower LevelsBuying200–300+3
SpacerLower LevelsBuying80–105—
Young SpacerLower LevelsBuying80–100—
Lower Level ParentLower LevelsBuying100–115—
CitizenLower LevelsBuying145–195+0.25
Upper Level ServantUpper LevelsBuying500–650+1
EleanorStoryBuying200—