Features:

• High speed measurement: Should have aim, focus, and press a key height and distance are simultaneously measured in 2.5 seconds, 20 percent faster than ordinary digital levels.

• Wave and read technology: The instrument should be innovative ?Wave-and-Read? technology provides an additional survey style option. Digital level machine should be tracks the bar code staff waved back and forth to read the correct height. 

• It is easy to use and user friendly. 

• It is rugged use and Bangladesh environment condition.

• Internal memory: should be capable of 2,000 measurement data of elevation or height difference should be recorded in the internal memory. 

• It have height difference, cut and fill setting out, height measurement application.

Main technical parameters: 

• Height accuracy by electronic measurement: Min. 0.6mm or less

• Height accuracy by visual with standard staff: 2mm or less

• Distance accuracy electronic: < ±10mm (±0.4in.) [D<=10m(D33ft.)]

• Measuring range electronic: Min. 100m or more

• Measuring range visual: 1.5m better.

• Measuring mode: Single / Repeat / Average / Tracking / Wave-and-Read or more

• Display resolution height: 0.0001/0.001/0.01m or better

• Display resolution distance: 0.01/0.1m or better

• Measuring time single and repeat: 2.5s or less

• Measuring time average: 2.5s or less

• Measuring time tracking: 1s or less

Telescope specification

• Objective aperture: Min. 36mm or more

• Magnification: Min. 28x or better

• Resolving power: 3? or better

• Minimum focus: 1.5m or better

• Field of view: 1º20? or more

• Compensator type: Pendulum compensator with magnetic damping system.

• Compensator range: ±15? or more

• Sensitivity of circular level: 10?/2mm or better

• Horizontal circle graduation: 1º or better

• Display: Dot matrix LCD (Min. 128 x 32 dot) with illuminator 

• Keyboard: Min. 8 keys 

• Data storage: Min. 2,000 points internal memory.

• Water protection: IPX4 (Standard: IEC60529:2001 or better)

• Operating temperature: Min. -20 to +50°C (-4 to 122°F)

• Battery life: Rechargeable Lithium-ion Battery life span must be 2 years and Min. 16 hours or more in a single Charge.

• Onboard programs: Elevation / Height difference / Cut & Fill setting-out /Setting-out distance / Height measurement.

• Following accessories should be supplied:

• Aluminum BAR Code staff01 no.

• Aluminum Tripod-01 no.