Built for wall-mount monitoring of 0% to 100% relative humidity and 0 to 100°C (32 to 212°F), this humidity and temperature transmitter provides a 4 to 20 mA output. It runs on 12 to 40 V DC. Best for process and storage environment monitoring.
Built for wall-mount monitoring of 0% to 100% relative humidity and 0 to 100°C (32 to 212°F), this humidity and temperature transmitter provides a 4 to 20 mA output. It runs on 12 to 40 V DC. Best for process and storage environment monitoring.
The HX300A Series transmitter is designed for industrial environments requiring fast, stable, and accurate measurements. It employs a highly stable thin-film polymer capacitor to sense relative humidity, and a high-accuracy, thin-film RTD to accurately sense temperature.
Features
Applications
| Accuracy (25°C) | ±2.5% RH, ±0.3°C |
| Long-term stability | Better than 1% RH per year (typical) |
| Temperature compensation | 0.008% RH/°C (effect @ 05 RH) |
| Response | Less than 15 seconds (90% @ 25°C in moving air at 0.5 m/sec) |
| Humidity sensor | Thin-film capacitor |
| Temperature sensor | RTD PT100 Ω, IEC 751, DIN 43760 |
| Supply voltage | 12 Vdc to 40 Vdc (24 Vdc recommended) |
| Sensor protection | Sintered filter |
| Housing | ABS plastic watertight enclosure to NEMA 4 (IP65) |
| Connections | Liquid-tight nylon, cable bushing fits 5 mm to 10 mm dia. (0.2" to 0.4") cables |
| Operating temperature | 32°F to 122°F (0°C to 50°C) |
| Measurement range (humidity) | 0 to 100% RH @ 32°F to 122°F (0°C to 50°C) |
| Measurement range (temperature) | 32°F to 212°F (0°C to 100°C) |
| Output | Current: 4 mA to 20 mA, 2-wire ±15% scalable zero and span adjustment |
| Dimensions | 3.54" (90 mm) 0.79" max (20 mm) 3.03" (77 mm) 1.5" (38 mm) diameter: 3" (75 mm) |
| Weight | Approx 5.3 oz (150 g) |
| Accuracy (25°C) | ±2.5% RH, ±0.3°C |
| Long-term stability | Better than 1% RH per year (typical) |
| Temperature compensation | 0.008% RH/°C (effect @ 05 RH) |
| Response | Less than 15 seconds (90% @ 25°C in moving air at 0.5 m/sec) |
| Humidity sensor | Thin-film capacitor |
| Temperature sensor | RTD PT100 Ω, IEC 751, DIN 43760 |
| Supply voltage | 12 Vdc to 40 Vdc (24 Vdc recommended) |
| Sensor protection | Sintered filter |
| Housing | ABS plastic watertight enclosure to NEMA 4 (IP65) |
| Connections | Liquid-tight nylon, cable bushing fits 5 mm to 10 mm dia. (0.2" to 0.4") cables |
| Operating temperature | 32°F to 122°F (0°C to 50°C) |
| Measurement range (humidity) | 0 to 100% RH @ 32°F to 122°F (0°C to 50°C) |
| Measurement range (temperature) | 32°F to 212°F (0°C to 100°C) |
| Output | Current: 4 mA to 20 mA, 2-wire ±15% scalable zero and span adjustment |
| Dimensions | 3.54" (90 mm) 0.79" max (20 mm) 3.03" (77 mm) 1.5" (38 mm) diameter: 3" (75 mm) |
| Weight | Approx 5.3 oz (150 g) |