HOME ＞- Products ＞
- Hygrothermograph Equipment ＞
- ST-50A
Basic model with long term recording for up to 6 months
Best-selling hygro-thermograph recorder equipped with an electronic sensor.
Highly reliable recording on chart paper has earned a good reputation in various manufacturing sites and laboratories for diverse products such as pharmaceuticals, chemical products, resins, semiconductors, and electrical equipment.
In addition, our products are used in art galleries and museums to record the storage environment of works that do not like humidity.
・Up to 6 months record on chart paper
・Easy-to-read digital display
・Can be installed anywhere, using batteries or AC adapter for power supply
・Ideal for recording and managing temperature and humidity environments in clean rooms, animal breeding rooms, product warehouses, art galleries, museums, etc.
Product Name: Electric Hygro-Thermograph ST-50A
Long term continuous recording
Continuous recording for up to 6 months is possible with alkaline batteries. It saves you the trouble of frequently replacing the chart paper.
Long-term stable measurement
Uses an electronic sensor with excellent long-term stability.
Sensor cable extension
The sensor cable can be extended up to 50m. It can be used for various purposes.
User calibration
The sensor can be easily calibrated by key operation.
Thanks to the highly responsive sensor, the calibration time can be significantly reduced.
Environmentally friendly product
| 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) |
| 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 |
|
| 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 product | Model number | Explanations | |
|---|---|---|---|
| Optional Accessories | Extension Cable 5m | HE04 | |
| Extension Cable 20m | HE05 | ||
| Extension Cable 50m | HE06 | ||
| Alarm unit (threshold signal output for alarming) | HE09 | 4 points common output of temperature and humidity upper and lower limit settings | |
| Sensor probe | HEAA | ||
| Sensor probe (for China） | HEAC | ||
| Consumables | Usual chart paper | HEGA | 5pcs/set |
| Usual chart paper (for China） | HEGC | 5pcs/set | |
| Clean chart paper (for cleanroom) | HE11 | 5pcs/set | |
| Cartridge pen | HEFA | 2red & 2blue/set | |
| Cartridge pen (for China） | HEFC | 2red & 2blue/set |
