The following HMT140 models and options are available:
- HMT141: Vaisala HUMICAP® Humidity and Temperature Probe (RH/T)
- HMT143: dual RTD temperature inputs with 5 m probes (−90 to +90 °C (−130 to +194 °F))
- HMT144: voltage inputs (0 ... 5 VDC)
- HMT145: voltage inputs (0 ... 10 VDC)
- HMT146: current inputs (0 ... 20 mA)
- HMT147: Boolean inputs
- HMT148: RTD temperature input with 5 m probe and Boolean input
- HMT14C: RTD inputs (customer-supplied probe)
- HMT14D: RTD and current input
- HMT14E: RTD and voltage input (0 ... 5 VDC)
- HMT14F: RTD and voltage input (0 ... 10 VDC)