Extech SDL500 Hygro-Thermometer/Datalogger

Item #:

EXT-SDL500

Brand:

Extech

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SDL500 Hygro-Thermometer/Datalogger by Extech

Relative Humidity, Temperature, Dew Point, and Wet Bulb measurement
Datalogger date/time stamps and stores readings on an SD card in Excel® format for easy transfer to a PC
Adjustable data sampling rate: 1 to 3600 seconds
Stores 99 readings manually and 20M readings via 2G SD card
Type K/J Thermocouple input for high temperature measurements
Large backlit dual LCD display
Record/Recall MIN, MAX readings
Data Hold plus Auto power off with disable function
Built-in PC interface
Complete with 6 x AA batteries, SD card, carrying case and Humidity/Temperature probe

General Specifications

Display	Backlit LCD; LCD size: 52 x 38mm (2 x 1.5")
Status indicators	Over-range (----) and low battery symbol
Probes	Supplied Relative Humidity/Temperature Probe; Optional Thermocouple Probe types: K or J
Measurement Units	°C / °F for Temperature and % for Relative Humidity
Datalogger Sampling Rate	AUTO LOGGING: 1, 2, 5, 10, 30, 60, 120, 300, 600, 1800, 3600 seconds. Note that a one (1) second sampling rate can cause some data loss on slower computers MANUAL LOGGING: Set the sampling rate to ‘0’
Memory Card	SD memory card; 1G to 16GB size
Temperature Compensation	Auto temperature compensation for the supplied probe input and for optional thermocouple probe input
Display update rate	Approx. 1 second.
Data Output	RS-232 / USB PC computer interface
Operating Temperature	0 to 50°C (32 to 122°F)
Operating Humidity	85% R.H. max.
Auto Power OFF	After 10 minutes of inactivity (can be disabled)
Power Supply	Six (6) 1.5 VDC batteries (optional 9V AC adaptor)
Power Consumption	Normal operation (backlight & datalogger OFF): approx. 3.5mA dc With backlight OFF and datalogging ON: approx. 28mA dc With backlight ON add approx. 12mA dc
Weight	345g (0.76 lbs.) meter only
Dimensions	Main instrument: 182 x 73 x 47.5mm (7.1 x 2.9 x 1.9")

Electrical Specifications

Humidity and Probe Temperature
Humidity	Range	5% to 95% RH
	Resolution	0.1 % RH
	Accuracy	≥70% RH: ±(3% rdg + 1% RH) <70%RH: ±3% RH
Temperature	Range	0 to 50°C (32 to 122°F)
	Resolution	0.1°C/°F
	Accuracy	±0.8°C (1.5°F)
Dew Point Temperature
°C	Range	-25.3 to 48.9°C
	Resolution	0.1°C
°F	Range	-13.5 to 120.1°F
	Resolution	0.1°F
Wet Bulb Temperature
°C	Range	-21.6 to 50.0°C
	Resolution	0.1°C
°F	Range	-6.9 to 122.0°F
	Resolution	0.1°F
Thermocouple Temperature
Sensor Type	Resolution	Range	Accuracy
Type K	0.1°C	-50.0 to 1300.0°C	±(0.4 % + 0.5°C)
		-50.1 to -100.0°C	±(0.4 % + 1.0°C)
	0.1°F	-58.0 to 2372.0°F	±(0.4 % + 1.0°F)
		-58.1 to -148.0°F	±(0.4 % + 1.8°F)
Type J	0.1°C	-50.0 to 1200.0°C	±(0.4 % + 0.5°C)
		-50.1 to -100.0°C	±(0.4 % + 1.0°C)
	0.1°F	-58.0 to 2192.0°F	±(0.4 % + 1.0°F)
		-58.1 to -148.0°F	±(0.4 % + 1.8°F)