Moisture Comparison Table
Representative photograph(s), actual product appearance may vary.

Features	4111	4112	4114	4129	4139
Units of Measure (Moisture)	% RH	Dew Point Temperature, % RH, Humidity Ratio (lb H2O/lb dry air or grains/lb, Wet Bulb Temperature	Dew Point Temperature, % RH, Humidity Ratio (lb H2O/lb dry air or grains/lb, Wet Bulb Temperature	% RH	% RH
Units of Measure (Temperature)	-	°F or °C	-	-	-
Transmitter Output	4 mA to 20 mA	Two 4 mA to 20 mA	Two 4 mA to 20 mA	4 mA to 20 mA	Two 4 mA to 20 mA
Power Requirement	12 Vdc + (Rload x 0.02 A) min to 45 Vdc maximum unregulated	110 Vac or 11 Vdc to 45 Vdc 2-wire operation	11 Vdc to 45 Vdc 2-wire operation	9.4 Vdc + (Rload x 0.02A) min to 45 Vdc maximum unregulated	9.4 Vdc + (Rload x 0.02A) min to 45 Vdc maximum unregulated
Accuracy	See Specification sheet for charts	See Specification sheet for charts	-	±2 % RH 0 % to 90 % RH at 25 °C [77 °F] ±1 % available as an option	±2 % RH 0 % to 90 % RH at 25 °C [77 °F] ±1 % available as an option
Operating Temperature Range	–40 °C to 80 °C [–40 °F to 176 °F]	–50 °C to 185 °C [–58 °F to 365 °F]; up to 185 °C [1000 °F] with optional cooler	–50 °C to 185 °C [–58 °F to 365 °F]; up to 185 °C [1000 °F] with optional cooler	–23 °C to 85 °C [–10 °F to 185 °F] non condensing	–23 °C to 85 °C [–10 °F to 185 °F] non condensing
Transmitter Housing	NEMA 4X, cast low copper aluminum	NEMA 4X, cast low copper aluminum	Duct or wall mount; NEMA 4X, coated steel	Duct or wall mount; cast alloy moisture resistant housing suitable for outdoor use. UL listed 459L.	Duct or wall mount; cast alloy moisture resistant housing suitable for outdoor use. UL listed 459L.
Pressure	0 psi to 50 psi	0 psi to 350 psi; 0 psi to 2000 psi optional	0 psi to 350 psi for 4114B; 0 psi to 50 psi for 4114A	50 psi maximum	50 psi maximum
Options	Display, FM approval	-	-	Remote probe available	Remote probe available
Other Features	-	FM Approved for Hazardous Locations, Dual LCD Display	-	-	-
Availability	Global

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