Temperature and Humidity Transmitters with Relay Outputs — Sensors H3020 and H3023

Output signal

2x Relay

2x Relay

Temperature

Range

-30 to +105°C

-30 to +125°C

Accuracy

±0.4°C

Relative Humidity

(at RH 5-95% and at 23°C)

Range

0 to 100 %RH

Accuracy

±2.5 %RH

Discrete inputs

none

Power supply voltage for sensors

9 - 30 Vdc

Maximum switched voltage, current and power by relay output

50V, 2A, 60VA

Accuracy and range of dew point temperature measurement

±1.5°C at ambient temp. T<25°C and RH >30%
range -60 to +80 °C

Accuracy and range of absolute humidity measurement

±1.5 g/m³ at ambient temp. <25⁰C, range 0 to 400 g/m³

Accuracy and range of specific humidity measurement

±2.1 g/kg at ambient temp. T < 35°C
range from 0 to 550 g/kg

Accuracy and range of specific enthalpy measurement

±3 kJ/kg at ambient temp. T < 25°C
range from 0 to 995 kJ/kg

Accuracy and range of mixture component ratio measurement

±2.2 g/kg at ambient temp. T < 35°C
range from 0 to 995 g/kg

Sensor / external sensor protection class

IP65/IP40

Sensor operating temperature range

From -30 to +80°C

External sensor operating temperature range

From -30 to +80°C

-30 to +125°C

Operating humidity range (no condensation)

0 to 100 %RH

Storage temperature range

From -30 to +80°C

Recommended calibration interval

1 year

Dimensions / Weight

136 x 213 x 45 mm (W x H x D), rod length 75 mm, / 350 g

136 x 213 x 45 mm (W x H x D), rod length 155 mm, / 420 g

Warranty