Cobalt-free Humidity Indicator Card

Item

Specification Description

Types

3-spot (30%-40%-50%) / 6-spot (10%-20%-30%-40%-50%-60%) / Customizable

Dimensions

50 × 75mm / 60 × 100mm / 75 × 120mm / Customizable

Indicator Color

Brown (dry, cobalt-free) to blue (humid)

Accuracy

±5% RH

Response Time

< 30 seconds under normal conditions

Operating Temperature

0°C – 60°C