Bendix Psychron Model 566 Psychrometer for Measuring Humidity & Dew Point

Omega RH-30-3 Handheld Temperature/Humidity Indicator RH30 Probe

[USED] Vaisala HM34 Humidity & Temperature Meter (AS-IS)

VTG 1941 Psychrometric Tables Vapor Pressure Humidity Temperature Dew Point

TPI SP597 - Smart Hygrometer (Humidity/Temperature) Probe

[USED] Vaisala HM34 Humidity & Temperature Meter (AS-IS)

Extech Humidity Calibrtn Kit, 33 per RH & 75 RH RH300-CAL