HMD60 - Capteur d'humidité VAISALA - Notice d'utilisation et mode d'emploi gratuit
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| Type de produit | Capteur d'humidité et de température pour conduit |
| Marque | VAISALA |
| Modèle | HMD60 |
| Plage de mesure d'humidité | 0 ... 100 %RH |
| Précision d'humidité | ±2 %RH à +20°C |
| Capteur d'humidité | Vaisala HUMICAP® 180 |
| Plage de mesure de température | -20 ... +80 °C |
| Précision de température | Meilleure que 0,1 °C (linéarité) |
| Sortie signal | 4 ... 20 mA (boucle 2 fils) |
| Tension d'alimentation | 10 ... 35 VDC (selon charge) |
| Indice de protection | IP65 (NEMA 4) |
| Matériau du boîtier | Aluminium moulé (électronique), acier inoxydable (sonde) |
| Température de fonctionnement (électronique) | -5 ... +55 °C |
| Température de fonctionnement (sonde) | -20 ... +80 °C |
| Température de stockage | -40 ... +80 °C |
| Vitesse d'écoulement max | 50 m/s |
| Protection sonde | Filtre à membrane standard, option filtre fritté acier inox |
| Conformité | EN61326 et EN55022 |
| Calibration | Vérification avec HM70 ou HMI41, calibration rapide sur site |
| Fonctions disponibles | Humidité seule (U), humidité+température (Y), température seule (T) |
| Raccordement | Bornes à vis 0.5 ... 1.5 mm² |
| Certificat | NIST traçable inclus |
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MODE D'EMPLOI HMD60 VAISALA
HMD60/70 Humidity and Temperature Transmitters for ducts in HVAC applications

Vaisala HUMICAP® Humidity and Temperature Transmitters HMD60 and HMD70 are designed for use in air conditioning applications where accurate and stable control of relative humidity and temperature are required.
The duct mounted Vaisala HUMICAP® Humidity and Temperature Transmitters HMD60 and HMD70 are designed for monitoring relative humidity and temperature in building energy management systems. The combination of high accuracy, stability and reliable operation, make these products the ideal choice for demanding applications.
Resistant to chemicals and dust
The duct mount HMD60 and HMD70 transmitters can also be used in many industrial humidity monitoring applications, where their stability and resistance to chemicals and dust are of great value. A useful feature of these duct mount transmitters is the ability to remove the electronics without removing the unit from the duct.
Measures both humidity and temperature
The HMD60 and HMD70 transmitters are available in three models: U for humidity measurement-only, Y for humidity and temperature measurement, and T for temperature only.
Fast, on-site calibration
The accuracy of the transmitters is simple to check using either the Vaisala HUMICAP® Hand-Held Humidity and Temperature Meter HM70 or the Vaisala HUMICAP® Humidity Indicator HMI41. The calibration can be done in seconds with a single potentiometer without disturbing the operation, resulting in great savings both in maintenance time and costs.
Features/Benefits
Full 0 ... 100 %RH measurement
Accuracy up to ±2 %RH
True two-wire transmitters with 4 ... 20 mA loop powered output (HMD60)
- Selectable signal output of 0 ... 1 V, 0 ... 5 V or 0 ... 10 V (HMD70) with optional current module also 0 ... 20 mA (HMD70)
Vaisala HUMICAP® Sensor for excellent accuracy and long-term stability, negligible hysteresis and resistance to dust and most chemicals.
Temperature compensated
IP65 (NEMA 4) housing
Also available as temperature-only transmitters HMD 60T/70T
NIST traceable (certificate included)
Technical data
60 series: 2-wire, 4 to 20 mA output
| Duct mount | RH only | HMD60U |
| RH & T | HMD60Y | |
| T only | HMD60T |
70 series: 3-wire, variable voltage output
| Duct mount | RH only | HMD70U |
| RH & T | HMD70Y | |
| T only | HMD70T |
Relative humidity
| Measurement range duct mount | 0 ... 100%RH* |
| Accuracy at +20 °C | |
| △ %RH | |
| 3 | |
| 2 | |
| 1 | |
| 0 | |
| -1 | |
| -2 | |
| -3 |

Temperature dependence
Response time at +20^ (+68^)
90% response 15 s (with membrane filter)
Stability ± 2%RH / 2 years
Sensor HUMICAP® 180
Temperature (Y and T models)
| Linearity | better than 0.1 °C |
| Sensor | Pt 1000 IEC 751 class B |
| Measurement range | -20 ...+80 °C (-4 ...176 °F) ** |

Accuracy
** Optional temperature scales are available on request.
General - 60 series
| Supply voltage | 10 ...35 VDC (RL = 0 ohm) |
| 20 ...35 VDC (RL = 500 ohm) | |
| Output signal | 4 ...20 mA |
General - 70 series
| Supply voltage range depends on the selected output signal | ||
| DC | AC | |
| 0 ...1V | 10 ...35V | 9 ...24V |
| 0 ...5V | 14 ...35V | 12 ...24V |
| 0 ...10V | 19 ...35V | 16 ...24V |
| WITH OPTIONAL CURRENT MODULE | ||
| 0 ...20 mA (RL = 0 ohm) | 10 ...35V | 11 ...24V |
| **0 ...20 mA (RL = 500 ohm) | 20 ...35V | 17 ...24V |
| Power consumption @ 24 VAC | ||
| HMD70U | 10 mA typical | |
| HMD70Y | 12 mA typical | |
General
| Operating temperature range | |
| electronics | -5 ...+55 °C (+23 ...+131 °F) |
| probe | -20 ...+80 °C (-4 ...+176 °F) |
| Storage temperature range | -40 ...+80 °C (-40 ...+176 °F) |
| Maximum flow speed | 50 m/s |
| Current module | part no. 18945 HM |
| Housing | |
| probe | stainless steel |
| electronics | cast aluminum |
| Connections | screw terminals 0.5 ...1.5 mm² |
| Sensor protection | |
| standard | membrane filter (part no. DRW010525) |
| optional | stainless steel sintered filter (part no. HM46670SP) |
| Cable thread-through | |
| bushing for 7 ...10 mm (PG9) | |
| cable housing IP65 (NEMA 4) | part no. 18941HM |
| armoured cable glands | part no. 10528HM |
| (must be ordered separately) | |
Complies with EMC standard EN61326 and EN55022