Inputs and Outputs - TMD62 - HMD62 - HMD60

HMD62 TMD62 Quick Guide

Document code
English (United States)
Document type
User guide
Table 1. Inputs and Outputs
Property Specification
Analog output
  • 1 x RH output 1 4 ... 20 mA current, loop powered
  • 1 x T output 4 ... 20 mA current, loop powered


  • 1 x T output 4 ... 20 mA current, loop powered

Power supply input

Each current loop output requires its own power supply.

10 … 35 VDC (RL = 0 Ω)

20 … 35 VDC (RL = 600 Ω)

Service port connector M8 4-pin male connector for MI70 hand-held indicator (requires cable accessory 219980SP) or Vaisala Insight PC software cable connection (requires USB cable accessory 219690) 2
Cable feed throughs
  • M16 x 1.5 inlet, options available from Vaisala:
    • Cable Gland M16 x 1.5 (Vaisala order code: 254280SP). This is the default option delivered with HMD60.
    • Conduit Fitting M16x1.5, ½”NPT (Vaisala order code: 210675SP)
  • Alternative M20 x 1.5 inlet
Screw terminal wire size 0.5 ... 1.5 mm2
CAUTION Do not modify the unit or use it in ways not described in the documentation. Improper modification may lead to safety hazards, equipment damage, failure to perform according to specification, or decreased equipment lifetime.
1 Available calculated parameters for HMD62 include Td, Tdf, A, X, Tw, and H.
2 Vaisala Insight software for Windows available at