HMK15 specifications - HMK15

HMK15 User Guide
Document code
M210185EN
Revision
E
Language
English
Product
HMK15
Document type
User guide
Table 1. HMK15 measurement performance
Property Description/Value

Response time (with probe and calibrator at the same temperature)

With Vaisala sensors typically 10 min (deviation of the final value < ±1 %RH)
Accuracy of thermometer ±1 °C
Accuracy of salt solutions
Lithium chloride LiCl ±1.0 %RH + Greenspan's uncertainty 1
Magnesium chloride MgCl2 ±1.0 %RH + Greenspan's uncertainty 1
Sodium chloride NaCl ±1.4 %RH + Greenspan's uncertainty 1
Potassium chloride KCl ±1.5 %RH + Greenspan's uncertainty 1
Potassium sulphate K2SO4 ±1.5 %RH + Greenspan's uncertainty 1
Table 2. HMK15 operating environment
Property Description/Value
Operating temperature range +0 … +50 °C (+32 … +122 °F)
Table 3. HMK15 mechanical specifications
Property Description/Value
Dimensions (H × W × L) 90 × 230 × 200 mm (3.54 × 9.06 × 7.87 in)
Weight 1 kg (2.20 lb) without salt solutions
Material (metal parts) Anodized aluminum
1 The uncertainty given in Greenspan's calibration table at the calibration temperature. For example, the accuracy of LiCl salt at +20 °C (+68 °F) is ±(1.0 + 0.3) %RH = ±1.3 %RH.