Extech | RH520A TTD

Humidity & temperature chart recorder

Reference : EXTRH520A-TTD
Purchase Order Reference : RH520A-TTD
Brand : Extech
Matériel de démonstration reconditionné. Sous réserve de disponibilité.

Affichage graphique et numérique simultané du taux d'humidité et de la température. avec indication de la date et de l'heure.
Humidité: 10 à 95%.
Température: -28 à +60°C.
Calcul du point de rosée.
Précision: 3%HR. 1°C.
Double affichage graphique avec graduation verticale et horizontale réglable.
Mémoire 49000 lectures.
Transfert de données PC via RS232.
Avertisseur sonore et lumineux de limite basse/haute.
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Quick quote for this product
Quick quote for this product
Extech  RH520A
Humidity+Temperature Chart Recorder

Best value paperless chart recorder in the market that’s easy to set up and operate

• Simultaneous numerical and graphical display of Humidity and Temperature readings. plus Time and Date
• Measures Humidity (10 to 95%RH) and Temperature (-20.0°F to 140.0°F) plus calculates Dew Point
• Large dual graphical LCD displays with adjustable vertical and horizontal TAC resolution
• Internal memory records up to 49.000 data points and can be transferred to a PC via RS-232 serial port for further data analysis
• LCD indicates percentage of memory remaining
• Replaceable probe does not require recalibration
• Detachable probe extends up to 1 meter for measurements in closed environments
• Audible and visual alarm with Hi/Low setpoints
• Download. analyze. and store data using Windows® 2000/XP/Vista Compatible Software (included)
• Output socket used with optional external alarm module
• Scroll the cursor to display selected data recorded
• Desk or wall mount
• Complete with built-in stand. detachable probe with 3ft (1m) cable. RS232 cable. software. 110VAC adaptor and 3 AA batteries

• Monitor and record Laboratory or clean Room temperature and humidity history
• Record process conditions
• Generate warning when conditions are outside required limits
• Monitor controlled environment areas such as freezers. storage areas and other critical areas
• Store humidity and temperature historical data for report generation


Relative Humidity Range:10.0 to 95.0%
Temperature Range:-20.0 to 140.0°F (-28.0 to 60.0°C)
Accuracy:±3% Relative Humidity; ±1.8°F/±1°C
Dimensions:5 x 7.7 x 0.9" (129x195x22mm)
Weight:12.6oz (357g)
Product Details
41-Standard Manufacturer Warranty 1 YEAR
461-Dew point measurement Yes
750-IR imaging inside No
160-Temperature accuracy 1 °C
110-Min measure range (°C) -28 °C
595-Enthalpy measurement No
111-Max measure range (°C) +60 °C
158-Min. humidity range 10% RH
131-Max. humidity range 95% RH
161-Humidity accuracy +-3% RH
162-Humidity resolution nc
116-Measuring unit (°C/°F) °C | °F
112-Resolution (°C) nc
114-Functions (Type) Sonorous alarm | Visual alarm
594-Wet bulb measurement No
36-Additional Characteristics Audible and visual alarm with Hi/Low setpoints
132-Package includes built-in stand, detachable probe with 3ft (1m) cable, RS232 cable, PC software, 110VAC adaptor and 3 AA batteries
35-Dimension (HxWxD) (mm) 129x195x22 mm
13-Net Weight 357 g
654-iOS compatible No
655-Android compatible No
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