Essilor Instruments ALM 800 User Manual

Next, enter the prism value to ten-key which is displayed and touch the enter key .
After entering the value, touch to return to measurement screen.
> The cross cursor is displayed at the entered prism prescription value.
> The crosshair cursor moves as follows according to the entered prism value.
Prism prescription value input screen (Polar coordinate)
First, touch the axis for entering at the prism input value screen.
USER MANUAL > BEFORE MEASUREMENT
33 ALM800 - Auto lensmeter > V1 - 05-2020

Essilor Instruments ALM 800 Specifications

General

Type	Automatic Lensmeter
PD Measurement	Yes
UV Transmittance Measurement	Yes
Axis Resolution	1°
Measuring Range Sphere	-25.00D to +25.00D
Axis Range	0° to 180°
Measuring Modes	Progressive
Display	LCD Touch Screen
Lens Diameter	Up to 100mm
Accuracy	±0.06D
Resolution	0.01D
Prism Resolution	0.01Δ
Power Supply	AC 100-240V, 50/60Hz