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

More products YOKOGAWA

YOKOGAWA DIGITAL RESISTANCE METER 7556

• Wide operating rangeability (1 Ohm range to 100 M Ohm range)
• Full remote controlability via the standard RS232C serial, or optional GP-IB interfaces
• Software based calibration
• Printer output of measurement, and statistical analysis results

YOKOGAWA - DIGITAL MANOMETER MT220

• Measurement with DCV and DCA
• 24 V DC output
• Percent reading
• Error reading
• Measurement data memory

YOKOGAWA - DL350 PORTABLE SCOPECORDER

• A4-sized compact chassis
• Simultaneous isolated inputs maximum
• AC/DC/Battery operated
• Vibration resistant

YOKOGAWA MULTIFUNCTION CALIBRATOR CA150 (HANDHELD)

• Vertical Hand-Held Calibrator
• Simultaneous Source and Measurement for Process Devices
• Loop Power Supply Function
• Highly Accurate and Multi-Functional Source and Measurement

YOKOGAWA GS200 DC VOLTAGE / CURRENT SOURCE

• Voltage source up to ±32 V and current source up to ±200 mA
• 51/2-digit, 120000-count output resolution
• Voltage and current simple monitoring feature (optional)
• Programmable output up to 10,000 points
• Built-in USB mass storage device
• Channel expansion through synchronous operation

YOKOGAWA DIGITAL INSULATION TESTER MY40

• 3 1/2-digit LCD;
• For each rating, you can save as many as 20 measurements at desired memory address numbers.
• Four AA (R6P) batteries the tester retains the measured resistance for approximately 5 seconds after the MEAS switch is turned off.

YOKOGAWA PROCESS MULTIMETER CA450

• Simultaneous 24 V loop power and mA measurement
• HART mode setting with loop power (250 OHM resistance)
• High accuracy signal measurement: DC mA 0.05%/30.000 mA
• Handheld DMM function
• Peak/Hold function for DCS power peak-to-peak measurement

YOKOGAWA AQ1200 COMPACT OPTICAL TIME DOMAIN REFLECTOMETER

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

YOKOGAWA DIGITAL MULTIMETER TY530

• Basic accuracy 0.09%
• True RMS measurement
• Ensured Field Site Safety
• Conforms to safety standards EN61010-1, 1000V CAT III, 600V CAT IV

YOKOGAWA AQ4280 SERIES PORTABLE LIGHT SOURCE

• - SC, FC or other connector adapter
• (Removable for convenient access for cleaning)
• AQ4280 A/B/C : FC/PC, SC/PC, ST/PC
• - Rubber protector to prevent damage when dropped
• - Carrying pouch to house unit and connector adapters