Palmer Aluminum Case Pressure and Temperature Chart Recorders provide proven reliability for accurate measurement and recording of pressure and temperature in many applications. Since 1962 we have manufactured and supplied recorders for industry in the U.S. and around the world. Palmer Recorders are designed for indoor or outdoor use, and provide long service life, even in harsh conditions. Many of our Recorders are still in service after 50 years!
Digital Thermohygrograph ST50A
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Sekonic Digital Thermohygrograph ST50A Displays and records temperature and humidity simultaneously.With an electronic sensor of excellent responsiveness
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.
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Measurement Methods | Temperature: Humidity: |
Semiconductor Sensor High Molecular Electrostatic Capacity Sensor |
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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) |
Accuracy | Temperature 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 |
Calibralion | Temperature Humidity |
1 Point 1 or 2 Point |
Recording Range | User 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 |
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Standard Accessories | LR20,1.5V x 4 1 Pcs Chart Paper 1 Pcs Blue / Red Fiber Tip Pen |
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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 product | Model number | Supplement | |
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Options | Extension Cable 5M | HE04 | |
Extension Cable 20M | HE05 | ||
Extension Cable 50M | HE06 | ||
external control output unit | HE09 | One point of common output | |
Consumables | Usual chart paper | HE12 / HEGA / HE0140010 | 5pcs/set |
cartridge pen | HE13 / HEFA / HEFA15330 | 2red & 2 blue/set | |
Clean chart paper | HE11 | 5pcs/set |