supply of supply & installationsupply & installation,supply & installation of water proof-ph meter for bio-toilet lab with technical specifications of 1 iso 9001 -2008 certified auto deluxe ph meter with automatic temperature compensation. 2. includes a combination ph electro de and rtd probe, with a large lcd display. 3. should be useful for ph and redox potential measurements. 4. measurin g range from 0.00 to 14.00. 5. the device should support touch button calibration and should come with a rotational ele ctrode stand. 6. the device must include 3-point calibration along with calibration certificate. [ warranty period: 30 m onths after the date of delivery ] ] , supply & installation of digital analytical balance for bio-toilet lab with technical specifications of 1. iso 9001-2008 certified. 2. capacity: 220-230 grams. 3. accuracy of 0.1 mg and repeatability of 0.1 mg. 4. pan size is 90 m m (minimum). 5. should be self-auto calibration & internal along with calibration certificate. 6. display : lcd/led [ war ranty period: 30 months after the date of delivery ] ] , supply & installation of cod digester for bio-toilet lab with technical specifications of 1. iso 9001:2008 certified. 2. controller: microprocessor-based digital temperature indicator cum controller. 3. display: led type, showing both set value (sv) and process value (pv). 4. block dimensions: 270 mm (l) x 150 mm (w) x 70 mm (d). 5. heater load : 10 kw. 6. tube cavity size: 40 mm outer diameter x 65 mm depth. 7. number of cavities: 15 holes to accommodate 1 5 samples. 8. glass tubes: supplied with 15 glass tubes of 38 mm (o.d.) x 200 mm (l). 9. air condensers: 15 nos., each 600 mm in length. 10. temperature range: ambient +5 degrees celsius to 150 degrees celsius 11. material: external ca sing made of powder-coated crc steel. 12. block: polished aluminum. 13. includes one tube rack. 14. power supply: 23 0 v ac, 50/60 hz. 15. includes 15 cod tubes and 15 condensers. 16. calibration certificate from an na