	SQ-500-SS	SQ-512-SS	SQ-514-SS	SQ-515-SS	SQ-520	SQ-521-SS	SQ-522-SS
Power Supply	Self-powered	5 to 24 V DC	12to 24 V DC	5.5 to 24 V DC	5 V USB power source	5.5 to 24 V DC	5.5 to 24 V DC
当前的画	-	At 12 V is 57 µA	最多20 mA	At 12 V is 57 µA	61 mA when logging	1。4 mA (quiescent); 1.8 mA (active)	RS-232 37 MA; RS-485静态37 mA，活跃42 mA
Output (Sensitivity)	0.01 mV per µmol m^-2S.^-1	每微米0.625 mV^-2S.^-1	0.004 mV per µmol m^-2S.^-1	1。25 mV per µmol m^-2S.^-1	-	-	-
输出类型	0到40 mV	0 to 2.5 V	4 to 20 mA	0 to 5 V	USB	SDI-12.	Modbus
Resolution	-	-	-	-	0.1μmolM.^-2S.^-1	-	-
校准系数（敏感度的互易）	100μmol米^-2S.^-1per mV	1.6μmol米^-2S.^-1per mV	250 µmol m^-2S.^-1per mA	0.8 µmol m^-2S.^-1per mV	每个传感器的自定义并存储在固件中	每个传感器的自定义并存储在固件中	每个传感器的自定义并存储在固件中
校准不确定性	± 5 %	± 5 %	± 5 %	± 5 %	± 5 %	± 5 %	± 5 %
测量可重复性	小于0.5％	不到1％	小于0.5％	不到1％	小于0.5％	不到1％	不到1％
每年长期漂移	Less than 2 % per year	Less than 2 % per year	Less than 2 % per year	Less than 2 % per year	Less than 2 % per year	Less than 2 % per year	Less than 2 % per year
非线性	小于1％（高达4000μmolm^-2S.^-1）	小于1％（高达4000μmolm^-2S.^-1）	小于1％（高达4000μmolm^-2S.^-1）	小于1％（高达4000μmolm^-2S.^-1）	小于1％（高达4000μmolm^-2S.^-1）	小于1％（高达4000μmolm^-2S.^-1）	小于1％（高达4000μmolm^-2S.^-1）
Response Time	Less than 1 ms	Less than 1 ms	Less than 1 ms	Less than 1 ms	Software updates every second	小于0.6秒	-
Field of View	180°	180°	180°	180°	180°	180°	180°
Spectral Range	389至692 nm±5 nm（响应大于50％的波长）	389至692 nm±5 nm（响应大于50％的波长）	389至692 nm±5 nm（响应大于50％的波长）	389至692 nm±5 nm（响应大于50％的波长）	389至692 nm±5 nm（响应大于50％的波长）	389至692 nm±5 nm（响应大于50％的波长）	389至692 nm±5 nm（响应大于50％的波长）
光谱选择性	Less than 10 % from 412 to 682 nm ± 5 nm	Less than 10 % from 412 to 682 nm ± 5 nm	Less than 10 % from 412 to 682 nm ± 5 nm	Less than 10 % from 412 to 682 nm ± 5 nm	Less than 10 % from 412 to 682 nm ± 5 nm	Less than 10 % from 412 to 682 nm ± 5 nm	Less than 10 % from 412 to 682 nm ± 5 nm
Directional (Cosine) Response	75°的天顶角±5％	± 2 % at 45°; ± 5 % at 75°	± 2 % at 45°; ± 5 % at 75°	± 2 % at 45°; ± 5 % at 75°	75°的天顶角±5％	± 2 % at 45°; ± 5 % at 75°	± 2 % at 45°; ± 5 % at 75°
温度响应	-0.11 ± 0.04 % per C	-0.11 ± 0.04 % per C	-0.11 ± 0.04 % per C	-0.11 ± 0.04 % per C	-0.11 ± 0.04 % per C	-0.11 ± 0.04 % per C	-0.11 ± 0.04 % per C
操作环境	-40 to 70 C; 0 to 100 % relative humidity; can be submerged in water up to depths of 30 m	-40 to 70 C; 0 to 100 % relative humidity; can be submerged in water up to depths of 30 m	-40 to 70 C; 0 to 100 % relative humidity; can be submerged in water up to depths of 30 m	-40 to 70 C; 0 to 100 % relative humidity; can be submerged in water up to depths of 30 m	-40 to 70 C; 0 to 100 % relative humidity; can be submerged in water up to depths of 30 m	-40 to 70 C; 0 to 100 % relative humidity; can be submerged in water up to depths of 30 m	-40 to 70 C; 0 to 100 % relative humidity; can be submerged in water up to depths of 30 m
方面	24 mm diameter, 37 mm height	直径30.5毫米，高度为37毫米	直径30.5毫米，高度为37毫米	直径30.5毫米，高度为37毫米	24 mm diameter, 37 mm height	直径30.5毫米，高度为37毫米	直径30.5毫米，高度为37毫米
Mass (5 m of cable)	100 g	140 g	140 g	140 g	100 g	140 g	140 g