| Instrument | Illuminance Spectrometer IM-1000 |
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| JIS class | Conforms to the general AA class illuminance meter (JIS C 1609-1: 2006). |
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| Spectral method | LVF(Linear Variable Filter) |
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| Photodetector | Silicone photo diode array |
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| Measurable wavelength range | 380 to 780 nm |
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| Output wavelength resolution | 1 nm |
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| Measurable illuminance range *¹ | 2 to 1,000,000 lx |
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| Accuracy *¹ | Ev : ±2% ±1digit
xy:±0.0020(50 lx or more)
xy:±0.0035(10 to 50 lx)
xy:±0.0050(5 to 10 lx) |
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| Repeatability *¹･²･³ | Ev:0.5% + 1digit
xy:0.0020(50 lx or more)
xy:0.0035(5 to 50 lx) |
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| Visible range relative spectral sensitivity characteristics (Difference from spectral relative luminous efficiency: f1’) | 2% or less |
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| Systematic difference of angular incident light characteristics: f2 | 3% or less |
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Temperature
characteristics: fT | Within ±3% (-10 to 40℃ with 23℃ as reference) |
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| Humidity characteristics: fH | Within ±3% (without dew condensation) |
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| Measurement range mode | AUTO (AUTO FULL / AUTO FIRST / AUTO ADJUST) / MANUAL (MANUAL RANGE) |
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| Display mode | XYZ / Ev / xy / u’v’ / Dominant wavelength λd / Excitation purity Pe / Correlated color temperature Tcp / Average color rendering property evaluation Ra / Special color rendering indexes Ri(i=1 - 15) / Spectral radiation illuminace graph / ⊿（XYZ） / ⊿(Ev、xy) / ⊿(Ev、u’v’) |
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| Measurement time *⁴ | Approx. 0.2 seconds (When the measurement range is “MANUAL”, 100ms is fixed as the integral time and the “STR2” command is used)
Approx. 0.5 to 50 seconds (Measurement range: AUTO) |
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| Display | Liquid crystal display unit with 128×64 dots and back light ON/OFF function |
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| Interface | RS-232C：Baud rate：9600 / 9200 / 38400bps, Parity：Odd number (ODD), Data length：7bit, Stop bit：1bit
Wireless LAN：IEEE802.11b / 2.4GHz band(1-13ch) / 38400bps / Security(WEP / WPA / WPA2)(exclusively for Japan |
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| Power supply | Nickel hydride AA battery: 4 pcs. (Standard accessory) / Exclusive AC adapter (optional accessory)
*Battery life (Operable time): Approx. 7 hours |
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| Operating condition | Temperature -10 to +40℃, Humidity 85%R.H. or less (without dew condensation) |
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| External dimensions | Approx. 70 (W) × 250 (D) × 78 (H) mm (Without beam detector cap and power switch) |
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| Weight | Approx. 640g (including the batteries) |
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| Measurement reference surface | Edge of beam detector |
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