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Enregistreur de basse pression diférentielle et de température à 2 canaux

Enregistreur de basse pression diférentielle et de température à 2 canaux

Modèle :SmartReader Plus 4 LPD


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The SmartReader Plus 4 LPD (Low Pressure Differential) data logger is a two channel logger with internal pressure and temperature sensors. The low pressure sensor is built into the logger and is capable of measuring low gauge and differential pressure.


Applications
Commissioning HVAC systems, monitoring air duct velocity, testing and balancing HVAC systems, monitoring wind speed, verifying positive pressure in critical facilities such as medical and manufacuring, etc.

General Specifications
Size 107mm x 74mm x 22mm (4.2” x 2.9” x 0.9”)
Weight 110 g (3.75 oz)
Case Material Noryl® Plastic
Battery 3.6 volt Lithium
Resolution 12-bit (1 part in 4096)
Mounting Magnetic backing or locking eyelet
Clock Accuracy ± 2 seconds per day
Sampling Methods Continuous (First-in First-out)*, Stop When Full (Fill-then-stop)
*Not available with sample rates faster than eight seconds.
Operating Limits -40°C to 70°C (-40°F to 158°F) and 0 to 95% RH (non-condensing)
PC Requirements Windows PC with at least one free USB or serial port (depending on interface)
Software Requirements TrendReader® 2 (Compatible with Windows XP SP3, Windows Vista SP2& Windows 7 (32 bit & 64 bit)
Memory Size 32 KB (capable of storing up to 21,500 readings)
Sampling Rates User selectable rates from 25 per second to once every eight hours (BP-101 battery pack or PS-201 power supply required for sampling rates faster than eight seconds)
Number of Channels Two (one for the internal temperature sensor and one for the internal pressure sensor)

Sensor Specifications
Internal Temperature Sensor
Type NTC Thermistor - 10,000 Ohm @ 25°C (77°F)
Range -40°C to 70°C (-40°F to 158°F)
Accuracy ±0.2°C over the range of 0°C to 70°C (± 0.3°F over the range of 32°F to 158°F)
Resolution 0.03°C (0.05°F) @ 25°C; better than 0.07°C (0.12°F) between -25°C and 70°C (-13°F and 158°F); better than 0.13°C (0.23°F) between -40°C and -25°C (-40°F and -13°F)
Pressure Sensor
Type Silicon piezoresistive strain gauge
Media Non-corrosive gases and dry air
Maximum Pressure Four times full scale
Compensated Thermal Accuracy 0°C-70°C (32°F-158°F) ±0.01 inWC (±2.5Pa)
Long Term Stability ±0.01 inWC (±2.5Pa)
Range: Accuracy: Resolution:
±0.5 inWC (±120 Pa) ±0.05 inWC (±12.5 Pa)* <0.001 inWC (0.25 Pa)
±2 inWC (±500 Pa) ±0.05 inWC (±12.5 Pa)* <0.001 inWC (0.25 Pa)
±10 inWC (±2.5 kPa) ±0.1 inWC (±25 Pa) <0.01 inWC (2.5 Pa)
* ±0.01 inWC (±2.5Pa) with Pressure Sensor Characterization - Consult Factory

Ordering Information
Item Cat No.
SRP-004-LPD-0.5 01-0310
SRP-004-LPD-10 01-0314
SRP-004-LPD-2 01-0312

 

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