All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 overhead projectors

3M OHP1750 Overhead Projector vs 3M OHP1820 Overhead Projector

Add a product
  • 11specifications compared
  • 9differ
  • 2identical
  • 2known for one product only

Key differences

The 3M OHP1750 Overhead Projector has 1,900 ANSI lumens more projector brightness than the 3M OHP1820 Overhead Projector (4500 ANSI lumens vs 2600 ANSI lumens). The 3M OHP1820 Overhead Projector has 35 mm more focal length range than the 3M OHP1750 Overhead Projector (345 mm vs 310 mm). The 3M OHP1750 Overhead Projector has 7 dB more Signal-to-Noise Ratio (SNR) than the 3M OHP1820 Overhead Projector (45 dB vs 38 dB). Lamp type: EVD (36V) on the 3M OHP1750 Overhead Projector, EHJ (24V) on the 3M OHP1820 Overhead Projector.

  • Projector brightness
    • 4500 ANSI lumens
    • 2600 ANSI lumens
  • Focal length range
    • 310 mm
    • 345 mm
  • Signal-to-Noise Ratio (SNR)
    • 45 dB
    • 38 dB
  • Cable length
    • 4.6 m
    • 4.5 m
  • Bulb power
    • 400 W
    • 250 W
  • Lamp type
    • EVD (36V)
    • EHJ (24V)
  • Depth
    • 401 mm
    • 464 mm
  • Weight
    • 13.1 kg
    • 11.7 kg

Side by side

Differences highlightedShow differences only
13 specifications
A

3M

OHP1750 Overhead ProjectorView product
B

3M

OHP1820 Overhead ProjectorView product
Projector1 differ
Projector brightnessDiffers4500 ANSI lumens2600 ANSI lumens
Lens system1 differ
Focal length rangeDiffers310 mm345 mm
Maximum shooting areaKnown for one28.5 cm
Video1 differ
Signal-to-Noise Ratio (SNR)Differs45 dB38 dB
Ports & interfaces1 differ
Cable lengthDiffers4.6 m4.5 m
Colouridentical
Product colourKnown for oneBlack, White
Lamps2 differ
Bulb powerDiffers400 W250 W
Lamp typeDiffersEVD (36V)EHJ (24V)
Poweridentical
AC input frequency50 Hz50 Hz
AC input voltage230 V230 V
Weight & dimensions3 differ
DepthDiffers401 mm464 mm
WeightDiffers13.1 kg11.7 kg
WidthDiffers382 mm426 mm

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

More overhead projector comparisons

All overhead projector comparisons