Geist Watchdog 15.  It does the alerting we need both temp and humidity. 

Steve

From: observium [mailto:observium-bounces@observium.org] On Behalf Of Cameron Murray
Sent: Thursday, October 20, 2016 10:16 PM
To: Observium Network Observation System <observium@observium.org>
Subject: [Observium] Temperature Sensor Compatibility

Guys,

Can anyone recommend a small IP based temperature/humidity sensor unit to monitor remote racks? I’ve checked http://www.observium.org/docs/supported_devices/ but would like firsthand experience recommendations please.

Regards,

Cameron