Tsubosaka Electoric Co.,Ltd.
■ LC-5
Can measure the luminance of the diffusion surface.
Because it’s compact and portable, you can use it at every situation.
It has the backlight monitor, and the function of keeping the data.
Can measure the luminance from very low till very high. (LV-4-19)
Can analyze the result of measurement by PC.
The function to correct for any standard luminance.
*We can sell the LC-4T3. (as of January, 2012)
Specification
| To be measured | Diffused flat light, LCD Back light,etc |
| Luminance range | LV -4.00-19.00(K:1.3, ISO100) K value 1.3/12.5 Preset (10.00-20.00) cd/m2 : 0.00875-73370 , rlx : 0.02448-230500 |
| Measurement accuracy | Less than ±3%(20ºC,±5°) |
| Dispaly | Data hold , Backlight( 5 seconds lighting or consecutive lighting) AUTO POWER OFF (About 5 minutes) |
| Communication IF | USB(RS communication) (Data output, mode switching, and various setting control are possible) |
| Luminance auto-calibration | Luminance auto-calibration of our light source box is possible |
| Photo detector | 10Φ Sｉ photodiode Spectral sensitivity range 400-700nm Relative luminous efficiency(MAX 3%) |
| Power supply | Size AA battery AC adapter (DC3.3V AC100-240V) |
| Dimensions | 141(W) 34.5(H) 81(D)mm |
| Weight | About 310g (230g at the time of the silicon cover non-wearing) |
■ LX-25
It measures 5 items, the emitting quantity of the flash and strobe, and so on.
Can measure low or high luminance by changing the photo-detector (optional).
Can control it by PC.
*If you use for the production line, we recommend LXP-22 which is only controlled by PC.
Specification
| To be measured | Electronic flash and strobe with-in camera |
| Measurement item | Exposure volume[lx·s] Time integration value of flash light illuminance Guide No. [GN]·· Standard of film speed and photography distance for exposure volume FNo. [FNo.]·· The proper value of FNo. to exposure volume Aperture value [AV]·· Aperture index ΔEV [EV]·· Deviation to setting standard value |
| Measurement range | 0.5-1340lux.s |
| ISO sensitivity | 1 – 3200 |
| Measurement distance | 0.1 – 9.9 m |
| Measurement time | 30ms |
| Measurement accuracy | MAX ±2% |
| External communication | RS-232C |
| Power supply | AC100 – 240V, 50/60Hz |
| Dimensions | [Main unit] About 160(W) 285(H) 310(D)mm [Photo detector unit] About 95(W) 73(H) 60(D)mm |
| Weight | [Main unit] about 5.4 kg [Photo detector unit] about 0.4 kg [Cable etc] about 0.8 kg |
■ LX-60
It measures 7 items, quantity of light of the flash and strobe, and so on.
Against the LX-25 measurement items, it is added the max illuminance and the emitting time.
The measurement time is 1-90ms.
Can measure LED strobe by changing the photo-detector (optional).
It can measure the luminance from low till high, without switching the sensitivity.
Can control it by PC.
Specification
| Measurement item | Exposure volume[lx·s],Guide No.[GN], FNo.[FNo.],Aperture value[AV], Δ EV[EV] |
| Measurement system | Sampling wave － analysis system(1MS/s) |
| Measurement range | About 0.1 – 9999lx·s(GN 0.23 – 71.33) * Inside of the following condition AUTO Luminescence 0-6400klx (Effective 2klx or more) SENS1 Luminescence 0-100klx (Effective 2klx or more) SENS2 Luminescence 0-800klx (Effective 16klx or more) SENS3 Luminescence 0-6400klx (Effective 128klx or more) When you measure，please carry out in the dark room. * The amount of High luminescence or low luminescence can respond in an option Light receptor. |
| Measurement time | 1-90ms(Analysis resolution:1-100μs) *For LED:100 – 1400ms [Reference] By measurement of only the 1st luminescence group, it is the time from luminescence detection to a display.(LED specifications is 5~12,000lx.) a)1ms/It is resolution 1μs and is less than 1s. b)10ms/It is resolution 1μs and is about 2s. c)90ms/It is resolution 1μs and is about 15s. |
| Trigger level | Luminescence 0.6klx or more(For LED:5Lux or more) The number of times of luminescence :The number of analysis luminescence of individual luminescence analysis (EACH)is 50 pieces or less in all about the 1st and the 2nd luminescence group. |
| Sensitivity | Less than ±2% |
| Measurement accuracy | Less than ±2% (A light source integration ratio is included．) |
| External control | Based on RS－232C［DCE Arrangement］ |
| Power supply | AC100-240V, 50/60Hz |
| Power consumption | Below 1A |
| Dimensions | [Main Unit]140(W)264(H)280(D)mm [Light Receptor]75(W) 50(H) 45(D)mm |
| Weight | 6.0Kg |
■ STB-209
It measures the quantity of light and the distribution of light about flash and strobe, by the 9 points photo-detector.
Can indicate the distribution of light quantity of around 8 points based on guide number of the center. (indicating at % or δEV).
It is easy to move the photo-detector, by magnet.
It can measure LED strobe at option. (STB-209LD).
With a PC, it can be set up and measured.
Specification
| Measurement item | [Center sensor unit] Light value (lx.s) Guide Number (GN) FNo. (Fno.) Aperture value (AV) Emitting time (ms) [Around sensor units] Light distribution(Central standard) dEV %(-/+4EV) |
| Measurement range | Guide number ■1.0-45.0(ISO100) Light value (lx.s) ■2-4000 Aperture value ■-/+4 |
| Measurement distance | 0.1-9.9 m |
| Measurement accuracy | MAX ±0.1EV |
| Light receipt sensor | SPD (Revision less than 3% for CIE standard visual sensitivity) |
| Setting/Display/Data Processing | By PC(USB) |
| Power supply | AC100-240V, 50/60Hz |
| Power consumption | about 40VA |
| Dimensions | [Main unit] 145(W) 265(H) 290(D)mm [Light receipt unit] 85(W) 45(H) 50(D)mm x 9 units [Standard light source] 70(W) 70(H) 150(D)mm [Cable]3m |
| Weight | Total about 12Kg |
■ STB-225
It measures the quantity of light and the distribution of light about flash and strobe, by the 25 points photo detector.
Can indicate the distribution of light quantity of around 24 points based on guide number of the center. (indicating at % or ΔEV).
Photo detector is located in the shape of a semicircle. (5°/7.5°)
It has 3 different model according to the measurement distance (0.3m, 0.5m, 1.0m).
Can get the data of globular by rotating the base. (optional).
With a PC, it can be set up and measured.
Specification
| Measurement item | [Center sensor unit] Light value (lx.s) Guide Number (GN) FNo. (Fno.) Aperture diameter (AV) Emitting time (ms) [Around sensor units] Light distribution(Central standard) dEV %(-/+4EV) |
| Measurement range | G.No ■2.0-45(ISO100) lx.s ■4-4000 AV ■-/+4 |
| Measurement distance | 0.1-9.9 m |
| Measurement accuracy | MAX ±0.1EV |
| Light receipt sensor | SPD (Revision less than 3% for CIE standard visual sensitivity) |
| Setting/Display/Data Processing | By PC(USB) |
| Power supply | AC100-240V, 50/60Hz |
| Power consumption | About 150VA |
| Dimensions | [Main unit]180mm(W) 264mm(H) 280mm(D) [Arch unit]2400mm(W) 1540mm(H) 1000mm(D) |
| Weight | 96.8Kg |
■LXP-22T2
・Low-priced version of LX-25
・Flash measurement with Lux & sec
・GN measurement with PC
・Stores the quantity of luminance in register circuit(Integral calculus method)
・Supports low high illumination with changing to optional light receipt unit
Specification
| Measurement item | Exposure volume[lx·s]
*Only with PC |
| Measurement range | 0.5-1340lux.s |
| Measurement time | 30ms |
| Measurement distance | 0.1-9.9m |
| ISO sensitivity | 1-3200 |
| Measurement accuracy | ±2% |
| Exteranal control | RS-232C |
| Power supply | AC100V-240V, 50/60Hz |
| Dimensions | [Main unit]160mm(w)x214mm(H)x225mm(D) [Light receipt unit]75mm(w)x50mm(H)x60mm(D) |
| Weight | 4.8kg |
