Economical transmitters of the L Series are primarily optimized for ambient room conditions and are very well suited to help control energy costs in HVAC and building automation applications.
Economical transmitters of the L Series are primarily optimized for ambient room conditions and are very well suited to help control energy costs in HVAC and building automation applications. Thanks to their high-quality manufacturing, these transmitters can also be used in industrial settings under moderate conditions.
• Designs available: Duct version, Wall mounting, Rod-shaped, Room version
• IP 65 with PTFE sintered filter ZE05
• Sensor tube Ø 12 mm
• Output signals available:
• 0…1 V / 0…5V / 0…10 V / 4…20 mA / passive
• Operating voltage: 12…30 V DC
• Special version: sealing against vibrations or condensation
| Four designs | duct version (LK) wall mounting (LW) rod-shaped Ø 12mm (LP) room version (LI) |
| Different physical outputs | humidity and temp., 2 x active humidity active / temp. passive humidity only, active temperature only, active or passive |
| Output signals | 0…1 V 0…5 V 0…10 V 4…20 mA (only LK and LW) passive (temperature) |
| Special versions | sealing for increased requirements, e.g. condensation sealing against vibrations |
| Filter | protective basket ZE07 (IP 20) filter with membrane ZE08 (IP30) PTFE sintered filter ZE05 (IP65) |
| Rod-shaped sensor with 2 types of connection | 6-pin plug-in connection and assembled cable permanently attached cable |
| measuring medium | air, pressureless, non-aggressive, non-condensing | |
| min. air speed | 0.5 m/s | |
| operating temperature | ||
| type LK, LW | -40…+80°C | |
| type LP | -30…+80°C | |
| type LI | -20…+60°C | |
| storage temperature | -40…+85°C | |
| degree of protection of measuring head (series LK, LW, LP) | ||
| with protective basket ZE07 | IP20 | |
| with membrane filter ZE08 | IP30 | |
| with PTFE sintered filter ZE05 | IP65 | |
| degree of protection of housing | ||
| type LP, LK, LW | IP65 | |
| type LI | IP30 | |
| material of housing | ||
| type LP, LK, LW | PC (light grey / white) | |
| type LI | ABS (white) | |
| electromagnetic compatibility | ref. EN 61326 | |
| Humidity | |
| sensing element | calibrated sensor chip calHT |
| output range | 0…100 %rh |
| accuracy | 30…80 %rh at 10…40°C ±3 %rh < 30 %rh or > 80 %rh at 10…40°C ±5 %rh |
| influence of temperature < 10°C or > 40°C typ. ±0.06 %rh/K | |
| Temperature with active output | |
| sensing element | calibrated sensor chip calHT |
| output ranges | 0…+50°C -20…+80°C -30…+70°C 0…+100°C |
| Accuracy | |
| at 10…40°C | ±0.8 K |
| <10°C and >40°C | s. diagramm |
| Temperature / passive output | |
| sensing elements | Pt100 Pt1000 |
| other sensing elements on demand | e. g. NTC |
Economical transmitters of the L Series are primarily optimized for ambient room conditions and are very well suited to help control energy costs in HVAC and building automation applications.
Pressure measuring range: 100 mbar … 25 bar, Accuracy: ≤ ± 0.50 / 0.25 / 0.10 % FS, Operating temperature: -25 … 85°C, Process temperature: -25 … 100°C
The ATM.ST/N/T series is part of a comprehensive range of transmitters specifically designed for the long term monitoring of ground water, wastewater and tank level measurement.
The ATM.1ST is an electronically compensated pressure transmitter providing a 2-wire, 4-20mA analog output. The transmitter offers accuracies of ≤ 0.05%FS or ≤ 0.1%FS including linearity, hysteresis, repeatability, zero and span setting errors.
