- Overview
- PRODUCT SPECIFICATIONS
- Details Images
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- Why Choose Us
- FAQ
Basic Info.
Model NO.
ST390+
Accuracy
No
Usage
Industrial, Household
Display
Digital
Material
No
Hygrometer Type
No
Measuring Range
-50 °c to 490°c / -58°f-9
Spectral Response
8-14 Um & 500msec
Distance to Spot Size
12:1
Celsius/Fahrenheit Unit Switch
Yes
Transport Package
Box
Specification
plastic
Trademark
hedao
Origin
China
Production Capacity
3000/Month
Product Description
Measuring Range (ST390+)
-50 °C to 390°C / -58°F-734°F
Measuring Range (ST490+)
-50 °C to 490°C / -58°F-914°F
ST390+ / ST490+
Accuracy
-50°C(-58°F) to 0 °C(32F)±3°C
0C(32°F) to 100°C(212°F)±2°
100°C here in before±2°C or ±2%
whichever is greater
High Low Temp. Alarm
only for ST490+
Emissivity(pre-set 0.95)
0.10~1.00 adjustable only for ST490+
Distance to spot size
12:1
Spectral response
8-14 um & 500mSec
Repeatability
1%of reading or 0.1°C
Celsius/Fahrenheit unit switch
Yes
Laser Ponits
13 Points
Ambient operating range
0 to 40°C (32°F to 104°F)
Relative humidity
10-95% RH noncondensing
Storage temperature
-20 to 60°C (-4°Fto 140°F)
Data Hold function
Yes
Laser pointer hot spot location
Yes
Auto power off function
Yes
Power
AAA Alkaline (not include)
-50 °C to 390°C / -58°F-734°F
Measuring Range (ST490+)
-50 °C to 490°C / -58°F-914°F
ST390+ / ST490+
Accuracy
-50°C(-58°F) to 0 °C(32F)±3°C
0C(32°F) to 100°C(212°F)±2°
100°C here in before±2°C or ±2%
whichever is greater
High Low Temp. Alarm
only for ST490+
Emissivity(pre-set 0.95)
0.10~1.00 adjustable only for ST490+
Distance to spot size
12:1
Spectral response
8-14 um & 500mSec
Repeatability
1%of reading or 0.1°C
Celsius/Fahrenheit unit switch
Yes
Laser Ponits
13 Points
Ambient operating range
0 to 40°C (32°F to 104°F)
Relative humidity
10-95% RH noncondensing
Storage temperature
-20 to 60°C (-4°Fto 140°F)
Data Hold function
Yes
Laser pointer hot spot location
Yes
Auto power off function
Yes
Power
AAA Alkaline (not include)
| Model number | ST490+ | |
| Material | -50 °C to 490°C / -58°F-914°F | |
| Spectral response | 8-14 um & 500mSec | |
1. We have our own factory with strong R&D center and QA team which can make sure your goods c an be sent out on time and in superior quality.
2. We have experienced and dedicated core members to offer you professional and reliable
2. We have experienced and dedicated core members to offer you professional and reliable
Company Information
Fuzhou Hedao Trade Co., Ltd., located in Fuzhou, Fujian, specializes mainly in exporting all kinds of refractometers,such as Digital refractometer, Abbe refractometer,Gem refractometer,Handheld refractometer(Brix Refractometer,Beer brewing refractometer,Honey Refractometer,Salinity Refractometer,Clinical Refractometer,Oe Refractometer,Wine Refractometer,Antifreeze Refractometer,Industrial Fluid Refractometer,Milk refractometer).Also specialized in Gem identified instruction, Fiber microscope. .
Q: How do you guarantee the quality?
A: One year's guarantee from date on B/L. Normally. If it's quality problem, we promise to return goods or funds.
Q: Is OEM available?
A: Yes, all goods can be custom made by your requirements, including packing, LOGO print, etc.
Q: Can we buy 1 pc for sample testing?
A: Yes, we are glad to send 1pc for quality testing if we have stock of the model you required.
Q: How to deliver the goods for trial order or small order?
A : For small order, we prefer to choose international express, such as DHL, TNT, EMS which are faster and more convenient for customer. Also, we cooperate with an express agent that can give us a big discount for express fee which is much lower than that quoted by official. For the goods with detachable battery, the express fee can be lower down if the goods is sent out without battery.
Q: What kind of payment your company accept?
A : T/T , Western Union,MoneyGram, Paypal , ect.
Q: If we have not found the model from website, what should we do?
A: Please email us with description and picture of the product, we research and develop new model every month, and some of them maybe have not been uploaded in website immediately. But If this is a new products for us, we can develop it for you after get all detailed information about your product.
Our Services:
1. 100% quality guarantee.
2. Quick delivery time.
3. OEM service.
4. Promptly reply you within 24 hours.
5. We treat clients as friend .Giving best service and sincere greetings.
A: One year's guarantee from date on B/L. Normally. If it's quality problem, we promise to return goods or funds.
Q: Is OEM available?
A: Yes, all goods can be custom made by your requirements, including packing, LOGO print, etc.
Q: Can we buy 1 pc for sample testing?
A: Yes, we are glad to send 1pc for quality testing if we have stock of the model you required.
Q: How to deliver the goods for trial order or small order?
A : For small order, we prefer to choose international express, such as DHL, TNT, EMS which are faster and more convenient for customer. Also, we cooperate with an express agent that can give us a big discount for express fee which is much lower than that quoted by official. For the goods with detachable battery, the express fee can be lower down if the goods is sent out without battery.
Q: What kind of payment your company accept?
A : T/T , Western Union,MoneyGram, Paypal , ect.
Q: If we have not found the model from website, what should we do?
A: Please email us with description and picture of the product, we research and develop new model every month, and some of them maybe have not been uploaded in website immediately. But If this is a new products for us, we can develop it for you after get all detailed information about your product.
Our Services:
1. 100% quality guarantee.
2. Quick delivery time.
3. OEM service.
4. Promptly reply you within 24 hours.
5. We treat clients as friend .Giving best service and sincere greetings.