Digital ThermoHygrograph

Sekonic ST-50 (ST-50A) is microprocessor based thermohygrograph. Apart from measuring and recording temperature and relative humidity, it also has large LCD display and alarm output. Remote application is applicable with its electronic remote sensor.

Sekonic Digital Thermohygrograph ST50A displays and records temperature and humidity simultaneously.


With an electronic sensor of excellent responsiveness, it has been given a compact body for indoor installations.


Best suited for general environmental measurement, and monitoring in greenhouses, storage warehouses, laboratories and so on.

Sekonic ST50


Measurement
Methods
Temperature:
Humidity:
Semiconductor Sensor
High Molecular Electrostatic Capacity Sensor
Measurement
Ranges
Temperature:
Humidily:
-20 to 50℃ / -4 to 122°F
-20 to 80℃ / -4 to 176°F (with sensor Extension Cable)
20 to 90%RH (No Condensation)
0 to 100%RH (with Sensor Extension Cable,No Condensation)
Display(LCD)Resolution
Temperature:
Humidity:
Others:Dew Point
   :Absolute Humidity
   :LCD Display
0.1℃ / O.1°F O.1%RH
-20 to 80℃ / -4 to 176°F
0 to 100%RH
(-80 to 80℃ / -112 to 170°F)
(0 to 290g/m²)
Battery Checker,Chart Speed,Setup Mode,etc
Recording
(Chart form)
Chart Paper
Working Width
Feeding
Feeding Accuracy
Z-Fold Type,12m/ 39.37feet (Length) 113mm /4.44inch (Width)
100mm (3.93inch) for record both Temperature and Humidity
Sprocket
±3 mm / 0.12inch (at 12m / 39.37 feet. Long Recording)
AccuracyTemperature
Humidity
±1.0℃ / ±1.8°F at 0 to 50℃ /32 to 122°F
± 3% RH (at 25℃ /77F)
*Accuracy Guarantee Range on Humidity is 10 to 90%RH
CalibralionTemperature
Humidity
1 Point
1 or 2 Point
Recording RangeUser Selectable among
①②③ with Switch
*Temperature
①-20 to 80℃ / -4 to 176°F
②0 to 50℃ / 32 to 122°F
③±10℃,±25℃, ±25°F,or 50°F
*Humidity
①0 to 100%RH
②±10%RH or ±25%RH
Environmental
Conditions
Ambient Temperature
Humidity
-20 to 50℃ / -4 to 122°F
20 to 90%RH (No Condensation)
Power
Requirement
Battery
AC Adaptor Inlet
LR20,1.5V x 4pcs
Input 9V 500mA
Dimension
Weight
W x H x D (mm / inch),
kg,lbs (Without Batteries)
300 x 245 x 105 mm / 11.8 x 9.6 x 4.1 inch,
2.1kg 4.6lbs
Other Features  Desktop or Wall Mount Socket (2holes)
3mm (0.13inch) marking on Temperature / Humidity Recording
Pen Position Adjustment Automatically,or with Switch
Standard Accessories  LR20,1.5V x 4
1 Pcs Chart Paper
1 Pcs Blue / Red Fiber Tip Pen
Option Accessories  Sensor Extension Cable
( 5m / 16.40feet, 20m / 65.62feet, 50m / 164.04feet )
Chart Paper ( 5 Sheets / Box )
Chart Pen ( 2 Blue & 2 Red pens ) / Box


・Features and Specifications are subject to change without notice.




 Name of productModel numberSupplement
OptionsExtension Cable 5M HE04  
Extension Cable 20M HE05  
Extension Cable 50M HE06  
external control output unit HE09 One point of common output
ConsumablesUsual chart paper HE12 5pcs/set
cartridge pen HE13 2red & 2 blue/set
Clean chart paper HE11 5pcs/set

Specific References

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