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TES-1333/TES-1333R Solar Power Meter

The TES-1333/TES-1333R Solar Power Meter measures solar irradiance with high accuracy and fast response. It suits PV testing, solar surveys, and field inspections.

  • High accuracy sensing for dependable solar readings
  • Wide spectral response (400–1100 nm) for sunlight measurement
  • Fast sampling (4 times/sec) to track quick changes
  • Clear 4-digit LCD display for easy viewing

Description

The TES-1333/TES-1333R Solar Power Meter gives accurate solar irradiance readings for photovoltaic systems and solar research. The 400–1100 nm spectral response helps the meter capture real sunlight conditions. The cosine-corrected sensor keeps readings stable even when light hits at an angle. A fast 4 readings per second rate lets users monitor quick sunlight changes.

The meter offers excellent long-term stability and simple user recalibration. The TES-1333R model adds automatic data logging up to 43,000 records and an RS-232 PC interface for reporting. The compact body and long battery life make it suitable for outdoor work. Technicians can carry and operate the unit with ease.

Features

  • Measurement range: 0–2000 W/m² / 634 Btu/(ft²·h)

  • Resolution: 0.1 W/m², 0.1 Btu/(ft²·h)

  • Accuracy: ±10 W/m² or ±5% (whichever greater)

  • Spectral response: 400–1100 nm

  • Angular accuracy: Cosine corrected <5% (angles <60°)

  • Sampling rate: 4 readings per second

  • Manual memory: 99 data sets

  • Auto logging: 43,000 sets (TES-1333R)

  • User calibration factor setting

  • Data Hold / MAX / MIN / AVG modes

  • Over-range indication (OL)

  • End-mount light sensor design

  • Selectable units: W/m² or Btu/(ft²·h)

  • RS-232 PC interface (TES-1333R)

  • Battery life: Approx. 100 hours

  • Compact size: 110 × 64 × 34 mm

Specifications

 

Display LCD display, 4-digit LCD reading
Range 2000 W/m²

 634 Btu / (ft² x h)

Resolution 0.1 W/m²

0.1 Btu / (ft² x h)

Spectral response 400-1100nm
Accuracy Typically within ±10 W/m² [±3 Btu / (ft² x h)] or ±5%, whichever is greater in sunlight ; Additional temperature induced error ±0.38 W/m²/[±0.12 Btu / (ft² x h)/] from 25
Angular accuracy Cosine corrected <5% for angles < 60°
Drift < ±2% per year
Calibration User recalibration available
Over-Input The display shows “OL”
Sampling Rate 4 times/sec
Manu Data Memory and Read 99 sets
Auto Data Memory 43000 sets (TES-1333R)
Battery 4 pcs size AAA
Battery Life Approx. 100 hours
Operating Temp and Humidity 0°C to 50°C (32 to 122)  below 80%RH
Storage Temp and Humidity -10°C to 60°C  below 70%RH
Weight Approx. 158g
Dimension 110(L) × 64 (W) × 34(H) mm
Accessories Included Manual, 4 pcs size AAA,

(RS232 Cable, CD software→TES-1333R)

 

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