TASI TASI-634 UV Irradiometer for one-handed operation with 3 ½ digits (1999 reading)
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Overview
The TASI-634 UV Radiometer is a handheld, easy-to-use, 31/2-digit (1999 reading), rugged digital lux meter designed for one-handed operation.
Features
1) Easy to carry, one-handed operation.
2) Maximum value and reading value lock function.
3) Pocket hook design.
4) UVA radiation measurement.
5) The spectrum of the UV sensor ranges from 320 nm to 400 nm, and the dominant wavelength is 365 nm.
Product display



Operating Procedures
1. Press the "MEAS" button to start the UV radiometer (use the RNG key to select the gear)
2. Take off the protective cover of the sensor head and put it away
3. Hold the sensing head steady
4. The intensity of ultraviolet rays can be read by the display, if the intensity of ultraviolet rays is so large that it is unknowable, the gear should be maximized, and then lowered until it is lowered to a suitable gear.
5. After the measurement, please cover the illuminance sensor head with a protective cover to prolong the life of the sensor and reduce the aging phenomenon.
Use diagrams

TASI TASI-634 UV IrradiometerSpecifications
| LIST | VALUE |
|---|---|
| Sensors | Silicon optical diode sensor |
| Measurement range | 199.9uW/cm2, 1.999mW/cm2, 19.99mW/cm2, UV sensor Light spectrum: 320 nm~ 400 nm, main wavelength 365 nm |
| Accuracy | +/- (4% FS +/- 2 bits) (FS: full scale) |
| Resolution | 199.9uW / cm2 · 0.1uW / cm2; 1.999mW / cm2 · 00.001mW / cm2; 19.99mW / cm2 · 0.01mW / cm2 |
| show | 3 ½ digit LCD display, maximum 1999 readings |
| Sampling rate | 2.5 times/second |
| Low battery Voltage display | When the battery Voltage is lower than the operating Voltage, "+ -" is displayed |
| Operating environment | 0 ℃~ 50 ℃, Relative Humidity < 70% R.H. |
| Storage environment | -20 ℃ to 60 ℃, 0 to 80% R.H. |
| Power Supply | 3 1.5V AA batteries |
| Host size | 155*48*24mm |
| Instrument Weight | 200G (including battery) |
TASI TASI-634 UV Irradiometer Packing list
host x1, manual x1, battery x1, leather case x1, certificate x1.
[Note] Because the manufacturer's packaging may be updated or upgraded, the detailed packaging list shall be subject to the latest standard configuration of the manufacturer.
FAQ
- Teans TASI-634 UV Irradiometer Operating Instructions
- What are the factors affecting the accuracy of ultraviolet radiation luminometer measurement results?
- Analysis of the causes of poor measurement accuracy of ultraviolet radiation luminometer
- Ultraviolet radiation luminometer in domestic illuminance measurement standards
- Fault Analysis and Removal of Ultraviolet Illuminometer






