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Mounted through a single-gang box, this humidity transmitter reads relative humidity in room air to ±3% accuracy with a thermoset polymer capacitive element protected by a factory-fitted hydrophobic filter. Zero, span and full-scale test positions let a technician confirm the loop is live and correctly wired before leaving site.
Mounted through a single-gang box, this humidity transmitter reads relative humidity in room air to ±3% accuracy with a thermoset polymer capacitive element protected by a factory-fitted hydrophobic filter. Zero, span and full-scale test positions let a technician confirm the loop is live and correctly wired before leaving site.
The ACI Relative Humidity Stainless Plate utilizes a thermoset polymer capacitive sensing element with a factory applied hygroscopic filter to deliver a proportional analog voltage output signal. The hygroscopic filter provides added resistance to moisture, dust, and other chemicals for greater long term reliability. The RH Stainless Plate transmitter features integral DIP switches for field selection of the proper output signal and supply voltage to meet your applications requirements. Each unit also contains 0%, 50%, and 100% test options to verify that the transmitter is both working and properly installed.
Features
Applications
| RH Measurement Range | 0 to 100% |
| RH Accuracy @ 77°F (25°C) | ± 2% or 3% from 10 to 95% |
| RH Stability | Repeatability | Sensitivity | Less than 2% drift / 5 years | 0.5% RH | 0.1% RH |
| RH Output Load Resistance | 4K Ohms Minimum |
| RH Output Signal | 3-wire: 0 to 5 or 0 to 10 V DC |
| RH Response Time (T63) | 20 Seconds Typical |
| RH Transmitter Stabilization Time | 30 Minutes (Recommended time before doing accuracy verification) |
| RH Supply Current (VA) | 8 mA maximum (0.32 VA) |
| RH Supply Voltage (Reverse Polarity Protected) | 0 to 5 V DC: 12 to 40 V DC / 18 to 28 V AC | 0 to 10 V DC: 18 to 40 V DC / 18 to 28 V AC |
| RH Sensor Type | Capacitive with Hydrophobic Filter |
| RH Connections | Wire Size | Screw Terminal Blocks (Polarity Sensitive) | 16 (1.31 mm2) to 26 AWG (0.129 mm2) |
| RH Terminal Block Torque Rating | 4.43 to 5.31 lb-in (0.5 to 0.6 Nm) |
| Operating RH Range | 0 to 95% RH, non-condensing (Conformally Coated PCB's) |
| Operating Temperature Range | -40 to 140°F (-40 to 60°C) |
| Storage Temperature Range | -40 to 149°F (-40 to 65°C) |
| Foam Flammability Rating | FMVSS-302 |
| Foam Material | Foam Thickness | Cross-linked LPDE (White) | 0.25" (6.35 mm) |
| Sintered Filter Material | 304 Series Stainless Steel |
| Wall Plate Material | 430 Stainless Steel (Brushed Stainless Steel Finish) |
| Product Dimensions (L x W x H) | 3.85 x 2.85 x 3.05" (97.8 x 72.4 x 77.5 mm) |
| Product Weight | 0.23 lbs (104 g) |
| Agency Approvals | CE, UKCA, RoHS, WEEE |
| RH Measurement Range | 0 to 100% |
| RH Accuracy @ 77°F (25°C) | ± 2% or 3% from 10 to 95% |
| RH Stability | Repeatability | Sensitivity | Less than 2% drift / 5 years | 0.5% RH | 0.1% RH |
| RH Output Load Resistance | 4K Ohms Minimum |
| RH Output Signal | 3-wire: 0 to 5 or 0 to 10 V DC |
| RH Response Time (T63) | 20 Seconds Typical |
| RH Transmitter Stabilization Time | 30 Minutes (Recommended time before doing accuracy verification) |
| RH Supply Current (VA) | 8 mA maximum (0.32 VA) |
| RH Supply Voltage (Reverse Polarity Protected) | 0 to 5 V DC: 12 to 40 V DC / 18 to 28 V AC | 0 to 10 V DC: 18 to 40 V DC / 18 to 28 V AC |
| RH Sensor Type | Capacitive with Hydrophobic Filter |
| RH Connections | Wire Size | Screw Terminal Blocks (Polarity Sensitive) | 16 (1.31 mm2) to 26 AWG (0.129 mm2) |
| RH Terminal Block Torque Rating | 4.43 to 5.31 lb-in (0.5 to 0.6 Nm) |
| Operating RH Range | 0 to 95% RH, non-condensing (Conformally Coated PCB's) |
| Operating Temperature Range | -40 to 140°F (-40 to 60°C) |
| Storage Temperature Range | -40 to 149°F (-40 to 65°C) |
| Foam Flammability Rating | FMVSS-302 |
| Foam Material | Foam Thickness | Cross-linked LPDE (White) | 0.25" (6.35 mm) |
| Sintered Filter Material | 304 Series Stainless Steel |
| Wall Plate Material | 430 Stainless Steel (Brushed Stainless Steel Finish) |
| Product Dimensions (L x W x H) | 3.85 x 2.85 x 3.05" (97.8 x 72.4 x 77.5 mm) |
| Product Weight | 0.23 lbs (104 g) |
| Agency Approvals | CE, UKCA, RoHS, WEEE |
