tender for supply of metrology lab items ,- 2 ultrasonic flaw detector specification ● test range: 2.5 mm to 10 meter in steel● velocity range: 1000–15000 m/s● gain: minimum 100 db with calibrated steps● frequency range: 0.5–15 mhz● display: a-scan display (lcd)● modes: pulse echo and transmit/receive● linearity:● vertical: ±3%● horizontal: ±0.5%● probes: minimum 2 (straight and angle)● connectors: standard (size 00 or equivalent)● power: rechargeable battery+ ac supply 3 optical digital microscope specification magnification: 40x to 400x● digital camera: minimum 5 mp resolution● display: pc/monitor via usb/hdmi or built-in display● illumination: adjustable led illumination● focus: coarse and fine focusing mechanism● optics: coated lenses with wide field view● stage: mechanical stage with slide holder● software: image capture, measurement, and analysis software included● connectivity: usb / hdmi/ethernet 4 portable surface roughness testerspecification:● parameters: ra, rz, rq, rt● measuring range:ra: 0.005–16 μmrz: 0.02–200 μm● resolution: ≤ 0.01 μm● accuracy: ±5% or better● stylus: diamond tip (≈5 μm radius)● cut-off lengths: 0.25 mm, 0.8 mm, 2.5 mm● display: digital lcd● output: usb interface for pc connection no 50000 ● standards: iso 4287 / din /ansi compliant● power: rechargeable battery 5 digital height gage with driving wheel (300)specification:● measuring range: 0–300 mm● resolution: 0.01 mm● accuracy: ±0.03 mm● construction: hardenedstainless steel column● base: ground and lappedbase suitable for surface plate● measuring tip: carbidetipped scriber● movement: smooth sliderwith fine adjustment wheel● display: digital lcd● power: battery operated please enable macros to view boq information