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Data Loggers : VL-2000
Validatable Relative Humidity Logger
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Portable self-contained relative humidity & temperature data logger for critical validation applications
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Equipped with internal relative humidity & temperature sensors, memory and ten-year battery
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Tamper-proof operation produces reliable and secure documentation for validation records
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Password-protected setup, download and calibration functions ensure integrity of collected data
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Records relative humidity (RH) and temperature without wires, power cords or connections
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Traceable instrument-grade RH and temperature measurement accuracy
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Adjustable logging intervals with multi-year data recording capacity
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Premium quality precision sensors offer exceptional in-calibration data logger performance
Technical Specifications
Internal Relative Humidity Sensor
| Type of Sensor: |
Integrated high-accuracy capacitive polymer RH sensor |
| Initial Accuracy: |
+/-1%RH over 10%RH to 90%RH at +20ºC to +30ºC
+/-2%RH over 10%RH to 90%RH at -20ºC to +70ºC |
| Operating range: |
-35°C to 85°C (-31°F to 185°F) and
0% RH to 100% RH |
| Resolution: |
0.05% RH |
| 1-year Accuracy: |
+/-2% RH over 10% RH to 90% RH at +20°C to +30°C
+/-3% RH over 10% RH to 90% RH at -20°C to +70°C |
| Calibration verification: |
Annual (recommended) |
Internal Temperature Sensor
| Initial Accuracy: |
+/-0.10ºC over +20ºC to +30ºC
+/-0.15ºC over -25ºC to +70ºC |
| Operating range: |
+/-1%RH over 10%RH to 90%RH at +20ºC to +30ºC
+/-2%RH over 10%RH to 90%RH at -20ºC to +70ºC |
| Resolution: |
0.02°C at 25°C |
| 1-year Accuracy: |
+/-0.15°C over 20°C to +30°C
+/-0.25°C over -25°C to +70°C |
General
| Size: |
2.8 x 2.1 x 0.8" (71x53x20mm);
65g (2.4 oz) |
| Operating Range: |
-35°C to 85°C (-31°F to 185°F) and
0% RH to 100% RH |
| Interfaces: |
RS-232 serial, USB, Ethernet, WiFi network interface available. |
| Mounting: |
Magnetic strips; 3M Dual Lock™ fasteners |
| PC Software: |
Designed for use with vLog Software and Veriteq viewLinc (for on-going monitoring & alarming) |
| Clock: |
Accuracy: +/- 1 min./month at
0 to 50°C |
| Electromagnetic Compatibility: |
FCC Part 15 and CE |
| Power Source: |
Internal lithium battery with life of 10 years at 1 minute sampling rate. |
Memory
| Memory Type : |
Non-volatile EEROM |
| Data Sample Capacity: |
26,900 12-bit samples |
| Memory Modes: |
User-selectable: Wrap when memory full (FIFO), or Stop when memory full. |
| Memory Protection: |
Data retention > 20 years backup without power. |
| Sampling Rates: |
User-selectable (in intervals of 10 seconds) from once every 10 seconds to once a day. |
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