Specifications 

Temperature Range and Accuracy  “H” Model 

16°C to 24°C: ±0.125°C (calibrated) 
0°C to 16°C, 24°C to 50°C: ±0.5°C (uncalibrated typical) 

Temperature Range and Accuracy  “S” Model 

15°C to 35°C: ±0.25°C (calibrated) 
0°C to 15°C, 35°C to 50°C: ±0.5°C (uncalibrated typical) 

Delta Temperature Accuracy 

±0.025°C for ±1°C changes within 15°C to 35°C 

Temperature Resolution 

User selectable up to 0.001°C (on front-panel display)

RH Range 

0% to 100% RH 

RH Range and Accuracy “H” Model 

20% to 70% RH: ±1.5% RH (calibrated) 
0% to 20% RH, 70% to 100% RH: ±3% RH (uncalibrated, typical) 

RH Range and Accuracy “S” Model

20% to 70% RH: ±2% RH (calibrated) 
0% to 20% RH, 70% to 100% RH: ±3% RH (uncalibrated, typical) 

Delta Humidity Accuracy 

±1.0% for ±5% changes within 20% to 70% RH 

RH Resolution 

User selectable up to 0.01% (on front-panel display)

Inputs 

Two sensors, each measuring temperature and relative humidity; each is detachable, cable-extendable, and interchangeable, with self-contained calibration; each may be assigned a unique 16-character identification 

Display 

240 x 128 graphics monochrome LCD, displays temperature and humidity data graphically, numerically, and statistically; 16 pre-defined, user-changeable screen set-ups are included 

Memory 

400,000 typical individual time-stamped readings (excluding PC card storage) 

Alarms 

Visual and audio alarms for temperature, temperature rate, RH, RH rate, and fault conditions 

Communications 

RS-232 and IrDA 

PC Card Interface 

64-MB flash memory for downloading data to a PC; data can likewise be uploaded from a PC card into the DewK for graphical and statistical display 

Enclosure 

The DewK may be wall-mounted (hardware included) or set on a benchtop 

Power 

12V DC from external 100-240 VAC power supply 

Operating Range 

0°C to 50°C 

Size (DewK) 

4.9" H x 8.3" W x 2.0" D (125 x 211 x 51 mm) 

Size (Probes) 

3.1" H x 0.75" dia. (79 x 19 mm) 

Weight 

1.5 lb. (0.7 kg) 

Calibration 

Certificate of NAVLAP accredited temperature and humidity calibration included; supplied data includes three each temperature and humidity points