overview

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Humidity Loggers 2YL-RH20-4M 2YL-RH20E-4M 2YL-RH23-4M 2YL-RH23E-4M 2YL-RH24-4M 2YL-RH24-E-4M
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2YL-RH23E-4M Humidity Logger

Integrated pressure sensor and external temperature and humidity sensor, 100mm long probe. 4 Million readings, measuring range -40 to +100ºC, IP65 rated.

Supplied with YoyoLog View software, USB lead and long life battery.

Key Features
• Rugged IP65 housing
• Ideal for Ambient RH and Pressure measurement
• Status LED: - Indicates Alarm - Low Battery Warning
• 2YL-RH23E-4M: Humidity, Temperature sensors mounted externally. Internal Barometric Pressure

Download Brochure HERE

Dimensions (d x h)   50 x 130mm
Ambient temperature range -40 to +90ºC
Measuring range -40 to +90ºC
Accuracy  ±1.5 hPA/±0.5 hPA
Internal sensor resolution 0.01K
Signal input Free or low level pulses <0.5 VDC and high, between 2 and 3 VDC - with YY-CS cable
Memory capacity (readings) 4 million
Active start • 
Sensor type  Built in Temperature and RH, 2 x Ext. PT1000
Humidity Sensor
(Internal abd External)
0 to 100% RH/0.01% RH 
Barometric Pressure Range & Resolution  10 to 1100 hPa/0.1 hPa 
Intervals 1 second to 24 hours or Fastmode 2 Hz
IP rating 65
Battery type LITH-12

Battery life (Logging Speed)
1 minute

4 years
10 seconds 230 days
1 second 25 days
Robust, shock proof

Supplied with YoyoLog View software, USB lead and long life battery.

TEMPERATURE ACCURACY
Specs YY internal 20_23_25_61_90.jpg

Specs YY external T 20_23_25_61_90.jpg

 

ACCESSORIES
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Wall Holder Enables you to securely install the logger onto walls. Complete with tamper-evident lead seal.

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Lead seal kit For Temperatue and Humidity LoggersContains 50 pieces of wire and 50 numbered lead tamper-evident seals for single use. These are manually closed around the wire and can only be released by cutting.

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YoyoView Software In addition to the functionalities of the included basic software, the optional upgrade allows more complex analysis of data, creation of charts and calculation of data statistics.
» Three scaleable Y-axes
» Zoom function
» Cursor readings
» Display in spreadsheet format
» Combination of a series of measurements in one chart
» Definition of thresholds
» Y/T-charts (values over time)
» Statistics (min, max, and average values)
» Online metering (display actual values)

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Solar Radiation Screen Protecting the external humidity/temperature sensor from the effects of direct sunlight and rainfall when used in out-of-doors. Optimises measurement accuracy in eviromental / climatic data collection.

APPLICATIONS
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Environmental monitoring 

Barometric pressure compensating for waterlevel measurements, climate survey for environmental studies, recording in weather balloon

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Laboratories

Ambient conditions in laboratories, calibration laboratories