The SL400 system is a radio based wireless telemetry system. Ideal for retro fitting a monitoring system into an existing installation with minimum downtime and cost. The SL400 system comprises of remote radio transmitters that measure temperature, relative humidity, low differential pressure, mA or voltage signals and periodically transmits the values back to a receiving base station. The radio transmitters operate on the worldwide, license free frequency and have an output power of only 10mW which does not interfere with other sensitive electronic equipment but allows up to 1000m transmission range.
PRODUCT SPECIFICATION:
| Specifications | Common To All Units |
| Power | Internal Battery |
| Battery | Life 5 Years - 10 minute transmit rate |
| Temperature Range | 0°C to +70°C |
| Transmission Rates | 15, 30, 45, 60, 75, 90, 105, 120, 135 Seconds 10, 20, 30, 40, 50, 60, 70, 80, 90 Minutes |
| Resolution | 16 Bit |
| Transmit Frequency | 434.075Mhz @ 10mW |
| Batteries | Four AA alkaline |
| Ingress Protection | IP50 - SL401
IP67 all other models |
| Specifications | SL401 |
| Measured Parameter | Temperature and Relative Humidity |
| Resolution | 8 Bit |
| Accuracy | Temperature: ±0.5°C
Relative Humidity: ±4%RH |
| LCD Display | Yes |
| Specifications | SL412-1, SL412-2, SL412-4 |
| Measured Parameter | Temperature and Relative Humidity |
| Sensor | Rotronic Hygroclip |
| Resolution | 16 Bit |
| Accuracy | Temperature: ±0.3°C
Relative Humidity: ±1.5%RH |
| Specifications | SL413-1, SL413-2, SL413-4 |
| Measured Parameter | Temperature |
| Sensor | Pt100 |
| Resolution | 16 Bit |
| Accuracy | Temperature: ±0.3°C |
| Specifications | SL417-1, SL417-2, SL417-4 |
| Measured Parameter | Process Signals - mA & Voltage |
| Input | 4-20mA, 0 to 5VDC & 0 to 10VDC |
| Resolution | 16 Bit |
| Accuracy | ±0.5% Full Scale |
| Specifications | SL419 |
| Measured Parameter | Differential Pressure |
| Input | 0-50pa |
| Resolution | 16 Bit |
| Accuracy | ±5% Full Scale |
Online Datasheet