Quantum Meter Tenmars TM-217

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PPFD:

Illuminance:

Standard	Conforms to DIN 5032 Part 7 Class C Conforms to JIS C 1609-1: 2006 Class A Conforms to JJG 245-2005 Class B
Measuring range	400.0/4000/40,000/400,000 Lux 40.00/400.0//4,000/40,000 foot-candle
Resolution	0.1/1/10/100 Lux 0.01/0.1/1/10 foot-candle
Relative spectral responsivity (f₁’)	±8 % of the CIE spectral luminous efficiency V (λ)
Cosine correction characteristics (f₂)	±6%
Angled incident light characteristics	Angle of 10°: ±1.5% 30°: ±3% 60°: ±10% 80°: ±30%
Accuracy	±3% (Calibrated to standard incandescent lamp 2856∘K and < 3000 Lux)
Linearity(f₃) (accuracy)	< 3000 Lux : ±5% of reading ±1 digit 3000 Lux to 9999 Lux : ±7.5% of reading ±1 digit > 10000Lux(930 fc) N/A

Initial Adjustment (f_ADJ) DIN5032 Part7 JJG 245-2005	±5% with reading ± 1
Linearity(f3) DIN5032 Part7 JJG 245-2005	±2.5%
Range change(f11)	±2%
Fatigue(f5)	-1%
IR response(f_IR)	±4%
UV response(f_UV)	±2.5%
Temperature(f6_T)	±1%/℃
Response time	Auto range:< 5 seconds; Manual range: <2 seconds