
Configuration tool ML-SER
ML-SER commissioning tool is designed for easy commission and configuration of Produal first-generation transmitters. The ML-SER shows…
KLK-Passive-Series
This duct humidity transmitter with passive temperature measurement measures relative humidity and temperature inside ventilation ducts. It can control relative humidity and temperature in room spaces.
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This transmitter is designed for high- and low-humidity applications in non-condensing environments. It is typically used in building automation systems for measuring and controlling humidity in locations where relative humidity must be kept constant.
This transmitter measures temperature with a passive NTC 10 sensor and an active sensor. It has a resistance output for the passive sensor data and a dual-mode output for the active sensor data. In addition, the transmitter has one dual-mode output for humidity measurement data.
This transmitter has a broad humidity measurement range and a wide temperature measurement range. You can set a custom measurement range (low and high limit) separately to temperature and humidity measured with the active sensors.
This transmitter has a P/PI controller. You can use one of the dual-mode outputs as a control output to keep humidity or temperature within the configured range. The controller can control the output according to one measurement value or according to the maximum selection of all values.
You can commission all models using the ML-SER commissioning tool.
| Power supply | 24 Vac/dc, < 2 VA |
|---|---|
| Humidity measurement range | 0...100 %rH |
| Humidity measurement accuracy | typ. ±2 %rH (20...80 %rH), max. ±3 %rH |
| Temperature measurement range | -50...50 °C |
| Temperature measurement accuracy | ±0.5 °C (25 °C) |
| Humidity output | 0...10 Vdc, 2 mA / 4…20 mA ≤ 500 Ω |
| Temperature output | 0...10 Vdc, 2 mA / 4…20 mA ≤ 500 Ω |
| IP protection class | IP54 |
| IP protection class note | cable or probe downwards |
| Cable gland | M16 |
| Ambient temperature | -30...50 °C |
| Ambient humidity | 0...90 %rH |
| Product dimensions (w x h x d) | 70 x 95 x 220 mm |
| Mounting | with flange, probe depth adjustable < 150 mm |
| Materials | PBT, PC, PA and stainless steel |
Choose the model, probes and accessories. Incompatible combinations are blocked as you go; the remaining rules are checked when the instrument is added to the quote.
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A code can be pasted and the configuration builds itself.
They are quoted separately: the instrument need not be configured.

ML-SER commissioning tool is designed for easy commission and configuration of Produal first-generation transmitters. The ML-SER shows…
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