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Extech RH520A-240 Humidity + Temperature Chart Recorder with Detachable Probe (240V) with NIST
Item #:
EXT-RH520A-240-NIST
Brand:
Extech
Share this product:
RH520A-240 Humidity + Temperature Chart Recorder with Detachable Probe (240V) with NIST by Extech
Features
- 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 included LabVIEW™-based software calculates and graphs Dew Point, Wet Bulb, and GPP (grains per pound)
- 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
- 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, RS-232 To USB Adaptor, LabView-based PC software, 100-240VAC 50/60Hz adaptor, and 3 AA batteries
Applications
- 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
| Display | Graphical LCD |
| Temperature Range/Accuracy | -17 to 50°C (0.0 to 120.0°F) / ±1.0°C (1.8°F) -28 to -17°C (-20.0 to 0°F) / 3°C (±5.4°F) 50 to 60°C (120.0 to 140°F) / 3oC (±5.4°F) |
| Humidity Range/Accuracy | 10 to 95%/±3.0% RH |
| Dew point temperature | -28 to 60°C (-20.0 to 140.0°F) |
| Internal memory storage | 49,152 complete reading sets |
| Sampling interval | Selectable recording rate: 0.1(6 seconds) to 199.9 minutes |
| Graph scaling | User selectable in 5°C/F in 10% increments |
| Low battery indication | 5-segment battery indicator |
| Alarm output | 3.5mm Mono Phone Plug, Maximum: 3.4mA @ 5 Vdc, Minimum Output Voltage: 2.5 Vdc |
| Power supply | Three (3) 'AA' batteries and AC adaptor (included) DC4.5V 300mA, 3.5mm x 1.35 mm plug |
| Battery life | 4 weeks typical, using alkaline batteries |
| Operating Temperature | Control Module and Display: 0 to 50°C (32 to 120°F) Sensor: -28 to 60°C (-20 to 140°F) |
| Operating Humidity | Control Module and Display: 90% RH max. Sensor: 95% RH max |
| Dimensions | 127 x 196 x 23mm (5.0 x 7.7 x 0.9") |
| Weight | 357g (12.6oz) |















