| Sound Level |
| Model No |
JRT/ET-965 |
| Applied standard |
IEC61672-1 CLASS2 |
| Accuracy |
±2.0dB |
| Display |
4digts |
| Resolution |
0.1dB |
| Frequency response |
31.5Hz~8kHz |
| Measurement range |
Auto:35dB~130dB |
| Frequency weighting |
dBA |
| Microphone |
1/2 inch Electric condenser microphone |
| Light |
| Measuring range |
0 Lux~200K Lux, 0Fc~20KFc |
| Spectral response |
CIE photopic(CIE human eye response curve) |
| Spectral accuracy |
CIE V?function f1'?6% |
| Cosine response |
f2'2% |
| Accuracy |
±4% rdg±0.5%f.s.(<10,000Lux) ±5% rdg±10dgts.(>10,000Lux) |
| Photo detector |
One silicon photo diode with filter |
| Air velocity |
| Air velocity range |
0.5m/s~30.0m/s |
| Air velocity accuracy |
±(3%±0.3d) |
| Measurement units |
m/s, km/h, ft/min, knots, Mph, |
| Temperature |
| Measurement range |
-40~70°C(-40~158°F) |
| Accuracy |
±2.0°C,±3.6°F |
| Measurement units |
°C /°F |
| Resolution |
0.1 |
| Humidity |
| Measurement range |
10~95%RH |
| Accuracy |
±5RH% |
| Resolution |
0.1 |
| Data update |
1 time/sec |
| Maximum value |
MAX |
| Minimum value |
MIN |
| Data Hold |
HOLD |
| Auto power off |
Automatically power off after approx. 15 minutes of inactivity |
| Power supply |
one 9V battery with type of 006P?NEDA1604 or IEC6F22 |
| Battery life |
About 30 hours |
| Operating condition |
-20°C~60°C,10%RH~90%RH |
| Storage condition |
-40°C~60°C,10%RH~75%RH |
| Dimensions |
252 (L) *66 (W) *33(H) mm |
| Weight |
568g |