Model	51011	51012	51021
Standard	Conforms to class A of JIS C1609-1 2006 "Illumination Meter"		Conforms to class AA of JIS C1609-1 2006 "Illumination Meter"
Photoelectric element	Silicon photodiode
Display	Liquid crystal display (number of 7 digits); maximum effective display:999; (0 or 0's to indicate the number of digits)
Measurement cycle	Twice per second
Measuring range	0.0 to 99.9/999/9,990/ 99,900/999,000lx		0.00 to 9.99/99.9/999/9,990/ 99,900/999,000lx
*Accuracy()**	±4% rdg ±1dgt (under 3000lx) ±6% rdg ±1dgt (over 3000lx)	±2% rdg ±1dgt (under 3000lx) ±3% rdg ±1dgt (over 3000lx)
Response time	Automatic range : 5 sec; Manual range: 2 sec
Fatigue characteristics	±2%	±1%
Temperature characteristics	±5%	±3%
Characteristics of oblique incident light	Angle of: 10° ±1.5% 30° ±3% 60° ±10% 80° ±30% (deviation from cosine characteristics)	Angle of: 10° ±1% 30° ±2% 50° ±6% 60° ±7% 80° ±25% (deviation from cosine characteristics)
Characteristics of visible region relative spectral response	Devation from the standard spectral luminous efficiency: f1' within 9 %	Deviation from the standard spectral luminous efficiency: f1' within 6 %
Operating temperature / humidity	-10 to 40°C 80% RH or less; no moisture condensation
Function	Response switching, Range Hold, Timer Hold, Deviation display, Auto power off		Response switching, Range Hold, Timer Hold, Deviation display, Auto power off, Color correction factor setting,Average illuminance computation, Ripple measurement, Light source luminous intensity measurement, Measurement of totalized intensity of illumination
Communication	USB
Output	DC 1V ±5% (fixed range); load resistance: 100kO or more
Dimensions, weight	Approx. 67(W) x 177(H) x 38(D) mm; Approx. 260g
Power supply	AA (LR6) x 2 OR USB supply (5 VDC ±5%)
Accessories attached	Instruction manual; dry cell (built in); soft case; recorder output plug

Alte produse YOKOGAWA

YOKOGAWA 2558A AC VOLTAGE CURRENT STANDARD

• Output Divider
• Direct Readout of the Deviation
• Digital Display of Output
• Common Current Output Terminals
• High Accuracy
• High Stability

YOKOGAWA AQ6374 WIDE RANGE OPTICAL SPECTRUM ANALYZER 350 - 1750 NM

• High wavelength resolution: 0.05 to 10 nm
• Wide dynamic range: 60dB (peak ±1.0nm)
• Wide level range: +20 to -80dBm
• Fast measurement: 0.5 sec. (100nm span)

YOKOGAWA CLAMP-ON TESTER CL155 (AC, TRUE RMS, 2000A)

• AC current measurement with current ranges up to 2000A
• AC/DC voltage and resistance measurements
• True RMS display
• 54mm in diameter of measurable conductor
• DC output function
• Data hold function

YOKOGAWA POCKET DIGITAL MULTIMETER 73101

• Accuracy 0.7% at DC voltage and 4300 count digital display
• Pocket size & ideal for carrying
• Auto power off & Auto hold functions
• Surface is protected by clear front cover

YOKOGAWA AQ7280 OTDR REFLECTOMETRU MODULAR TESTARE FIBRA OPTICA

• Reliability: Robust design for operating under harsh field conditions. Proven operating system assuring stability, prompt response, and superior protection against software virus attacks.
• Ease-Of-Use: Dual operation mode by multi-touch touchscreen and hard-key buttons. Fully automatic measurement and easy-to-read analysis reports through new software applications.
• Speed: Lightning startup time. Multi-tasking operation to enhance productivity. Immediate reporting via wireless connectivity.

YOKOGAWA LS3300 AC POWER CALIBRATOR

• High Accuracy
• Phase Accuracy
• High Stability
• Wide generation range
• Single to three phase power calibration

YOKOGAWA AQ1000 REFLECTOMETRU FIBRA OPTICA IEFTIN

• Wavelengths: 1310 / 1550 nm
• Dynamic ranges: 32 / 30 dB
• Size: 185 mm (W) � 116 mm (H) � 56 mm (D) ( 7.3" (W) � 4.6" (H) � 2.2" (D) )
• Weight: 660 g ( 1.46 Lbs )

YOKOGAWA AQ1200 OTDR FIBRA OPTICA COMPACT PORTABIL

• Applicable for installation and maintenance
• Models with a wavelength dedicated for maintenance of live fibers.
• These tri-wavelength models has two ports.

YOKOGAWA 2553A PRECISION DC CALIBRATOR

• Digital Display of Output
• High Basic Accuracy
• High Stability and Low Noise
• High Resolution

YOKOGAWA - WT300E POWERMETRU DIGITAL

• Fast display and data update rate: The fast display and a maximum data update rate of 100ms on the WT300E series, offers a short tact time in testing procedures.
• MAX hold function: The maximum values of RMS/PEAK Voltage & Current, Active Power, Reactive Power and Apparent Power can be held.
• Line filter and frequency filter capabilities: These filter functions will cut off unnecessary noise & harmonic components for fundamental waveform measurements.