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humidity probes

Product catalog summary

Overview: This document provides technical specifications for various models of relative humidity and temperature measurement devices. Each model is designed for specific applications and environments, offering different features and capabilities.

1. RHB - Low-Cost Plastic 2-Wire Relative-Humidity Probe:

Operating Conditions: -10 to 70 °C, IP68 protection.
Measurement Range: 0 to 100% RH, suitable for air and non-aggressive gases.
Accuracy: 4% of span.
Output: 4 to 20 mA, no adjustment needed.
Power Supply: 8 to 36 VDC.
Construction: PVC, dimensions max. 18x150 mm.

2. RHV - Programmable Relative-Humidity Transmitter:

Operating Conditions: -10 to 60 °C, IP65 protection.
Measurement Range: RH: 0 to 100%, Temperature: -10 to 80 °C.
Accuracy: RH: 2% of span, Temperature: 0.4% of span.
Output: 2-wire: 4 to 20 mA, 3-wire: (0)4 to 20 mA, 0 to 10 V, RS232 interface.
Power Supply: 2-wire: 8 to 36 VDC, 3-wire: 9 to 40 VDC.
Construction: Stainless steel, dimensions 'S': ø17x120 mm, 'L': ø17x300 mm.

3. RHU - Relative-Humidity Probe with "Wet" and "Dry" Thermometers:

Operating Conditions: -20 to 120 °C, IP56 protection.
Measurement Range: RH: 0 to 100%, Temperature: -50 to 200 °C.
Accuracy: RH: 1% of span, Temperature: 0.1% of span.
Construction: Stainless steel, front dimensions 200x160 mm.

4. RHP - Moisture-Content Probe for Bulk Materials:

Operating Conditions: -10 to 50 °C, IP65 protection.
Measurement Range: Moisture: 0 to 300%, RH: 0 to 75%, Temperature: -10 to 50 °C.
Accuracy: Moisture and RH: 2.5% of span, Temperature: 0.5% of span.
Construction: Stainless steel, dimensions ≈ 70x80x60 mm.

5. RHTA, RHTB, RHTD - 2-Wire Relative-Humidity Transmitters:

Operating Conditions: -10 to 60 °C, IP65 protection.
Measurement Range: RH: 0 to 100%, Temperature varies by model.
Accuracy: RH: 2.5% of span, Temperature: 0.5% of span.
Output: 4 to 20 mA, 2-wire.
Construction: Stainless steel, POM, PVC, dimensions vary by model.

6. RHW - Programmable Relative-Humidity Transmitter with RS485 Interface:

Operating Conditions: -20 to 60 °C, IP65 protection.
Measurement Range: RH: 0 to 100%, Temperature: -20 to 60 °C.
Accuracy: RH: 2% of span, Temperature: 0.4% of span.
Output: RS485 serial interface.
Power Supply: 5 VDC ± 5%.
Construction: Stainless steel, POM, dimensions 108x83x40 mm.

7. RHA - Relative-Humidity Probe for Handheld Meters:

Operating Conditions: -10 to 50 °C, IP54 protection.
Measurement Range: RH: 0 to 100%, Temperature: -10 to 50 °C.
Accuracy: RH: 2.5% of span, Temperature: 0.5% of span.
Construction: Stainless steel, dimensions ø16x min.120 mm.

Catalog excerpts

relative-humidity probe for handheld meters, with built-in temperature sensor low-cost plastic 2-wire relative-humidity probe 2-wire relative-humidity transmitter with built-in temperature transmitter 2-wire relative-humidity transmitter with built-in temperature transmitter high-temperature 2-wire relative-humidity transmitter with built-in temperature transmitter programmable relative-humidity transmitter with built-in temperature transmitter and analog output programmable relative-humidity probe relative-humidity transmitter with "wet" and "dry" with built-in thermometers temperature transmitter and RS485 interface moisture-content probe for bulk materials, with built-in temperature sensor Medium Type solids, powders, granules, no larger than 8 mm Sensor / Input RH: thin-film, capacitive solid-state temperature: Pt100, Pt1000 RH: thin-film, capacitive RH: thin-film, capacitive RH: thin-film, capacitive RH: thin-film, capacitive temperature: Pt100…Pt1000 temperature: Pt100…Pt1000 temperature: Pt100…Pt1000 temperature: Pt100 programming: dry contact RH: thin-film, capacitive temperature: Pt100 Operating Range RH: 0...100% temperature: -10...50 °C RH: 2.5% of span 4% of span temperature: 0.5% of span RH: 2.5% of span RH: 2.5% of span RH: 2.5% of span moisture: 2.5% of span RH: 2% of span RH: 2% of span RH: 1% of span temperature: 0.5% of span temperature: 0.5% of span temperature: 0.5% of span temperature: 0.4% of span temperature: 0.4% of span temperature: 0.1% of span RH: 2.5% of span temperature: 0.5% of span 2-wire: 4...20 mA RS485 serial interface, 3-wire: (0)4...20 mA, 0...10 V 1500 VAC for 1 min RS232 interface resistance difference option: 2x 2-wire transmitters "zero" and "span" trimpots "zero" and "span" trimpots "zero" and "span" trimpots Power Supply DC voltage from the handheld meter DC voltage from the handheld meter Wetted Parts stainless steel stainless steel stainless steel stainless steel free, flange free (wall) free, flange free, flange free, flange free (wall) Ambient Temp. Protection Class IP54 Dimensions ø16x min.120 mm without cable and filter front: 200x160 mm; ≈ 70x80x60 mm depth: 220, 270, or 320 mm without cable cable with 4-pin M8 connector screw terminals screw terminals screw terminals screw terminals screw terminals cable with 4-pin M8 connector designed to be used in combination with H5800 handheld RH meter; sintered filter available sintered filter available suitable for applications at slow flow rates and without overpressure suitable for applications at slow flow rates and without overpressure suitable for applications at slow flow rates and without overpressure programming input sets RH up to 32 devices or temperature transmission; can be connected in a network RS232 is instead of programming input; sintered filter available; interface cable: K9 or K9U can be used with "wet/dry" instruments, such as RT180; requires minimum flow rate for "wet" bulb evaporation designed to be used in combination with H5850 handheld moisture meter; material-sample preparation available

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humidity probes

humidity probes

Catalog excerpts

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