Water Quality & Instrumentation - Page 371

Manufacturer: MARS Brand: Mars

Salient features Mains cum battery operated In-built rechargeable battery In-built light shutter Highly stable accurate Standard german glass filters Model digital digital Std. Glass filter 8 5 Mini volume 1 ml. 1 ml. Display 2 1/2 digit led 2 1/2 digit led Range 400-700 nm 400-700 nm Output od (0 to 1.99 od (0 to 1.99 Resolution od : 0.01 od : 0.01 Accuracy 0.5 fsi 0.5 fsi Detector selenium photocell/photodiode selenium photocell/photodiode Light source 6.8v, 300ma 6.8v, 300ma Power 230v + 10 and in-built battery 230v + 10 and in-built battery Accessories test tube set of 5, spare lamp, dust cover, manual Filters 8 filters - 400, 420, 480, 500, 520, 540, 620, 680 nm 5 filters - 420, 480, 540, 620, 680 nm Product range spectrophotometers, flame photometers, digital ph meters, conductivity/tds meters, turbidity meters, digital d.o. Meters, water soil analysis kits, k.f. Titrimeter etc.

Manufacturer: YSI Brand: YSI

Dissolved oxygen accuracy: +/-0.1 mg/L or +/-2 percent of reading, whichever is greater. Electrolyte: 5739, 5718, 5750 KCl with Kodak Photo-Flo, 5905, 5239 KCl with NA2SO4. Membrane Material: 5905 FEP fluoropolymer film cap, 5239, 5718, 5739, 5750 0.001" FEP fluoropolymer film, 0.0005" FEP fluoropolymer film available, YSI 5776. Pressure Compensation: effective 0.5 percent of reading with pressures to 100 psi (230 feet of seawater). Polarizing Voltage: 0.8 volts nominal. Probe Current: air at 30 degree C 19 microamps nominal, nitrogen at 30 degree C 15 microamps or less. Probe Response Time: 5905 Typical response to a step change in dissolved oxygen at 20 degree C is 90 percent of the change in 30 seconds. 5239, 5718, 5739, 5750 typical response for temperature and dissolved oxygen readings is 90 percent in 10 seconds at a low constant temperature of 30 degree C with the 5775 membrane. DO response and low temperature and low DO is typically 90 percent in 30 seconds. YSI 5776 High Sensitivity membranes may be used to improve response at low temperature and DO concentrations. Sensor Materials: Cathode - gold, Anode - silver. Temperature: accuracy +/- 0.2 degree C, operating range 0 degree to 45 degree C. Sensitivity when measuring oxygen, the probe output current increases approximately 3.5 percent per 1 degree c of increase in temperature. the circuitry automatically compensates for this effect in a typical probe. However, the exact temperature sensitivity of an individual probe may vary slightly according to its condition. Therefore, a probe should be calibrated at a temperature close to the measurement temperature in order to minimize the possible effect of such variation. 1 Year warranty.

Manufacturer: COLE-PARMER Brand: GF Signet

science-lab-turbidity-meters

Manufacturer: BYK-Gardner USA Brand: BYK-Gardner Model: 7560

The CAP Spindle #7 is an accessory for the Cone and Plate Viscometers.

Manufacturer: BYK-Gardner USA Brand: BYK-Gardner Model: 7534

The CAP Spindle #4 is an accessory for the Cone and Plate Viscometers.

Manufacturer: AZ instrument Corp Brand: AZ Instrument Model: 8603

Handheld Comb water tester IP37 PH/COND./D.O/Salinity meter 8603 This meter measures water PH value,Conductivity,Dissolved oxygen level, salinity and is a excellent instrument to use in fresh and sea water aquafarm. Product Specifications pH range:2.00~12.00 pH accuracy:+/-0.1 pH resolution:0.01 Cond. range :0~199.9, 0~1999uS/cm;0~19.99, 0~69.9mS/cm Cond. accuracy:+/-1% F.S +/- 1 digit Cond. resolution:0.1uS/cm, 1uS/cm;0.01mS/cm, 0.1mS/cm Salinity range :0~10.00ppt; 0~42.0ppt(SEA WATER) Salinity accuracy:+/-1% F.S +/- 1 digit Salinity resolution :0.01 ppt, 0.1ppt D.O. range:0.0~199.9% (0.0~30.0mg/L) D.O. accuracy:+/-3% of F.S. +1 digit D.O resolution :0.1 Temp. range:0~60.0 C Temp. accuracy:+/-0.5 C Temp. resolution:0.1 Compatible probe:PH PROBE, COND. PROBE AND D.O. PROBE COULD BE ALL USED ON ONE METER AT THE SAME TIME LCD size(mm):32.5(H)x54(W) Operating temp.&RH% :0~50 C, Humidity < 80% Storage temp.&RH% : 0~60 C, Humidity < 90% Dimension(mm):169(L)x78.3(W)x43.4(H) Weight:200g Power:6PCS AAA Batteries Standard Package 1*Meter1*Manual1*Carry case1*PH probe1*Cond. Probe1*D.O.Probe1*D.O. Electrolyte2* Membrane set2*Cable clip Quaity Warranty We guarantee this meter is 100% original one with top high quality, if there is any fake product,we will return all your momney back, thanks. Shippment method We usually we send out goods by international express, such as DHL , UPS, FEDEX, it takes 5-7 working days ot arrive at your side, thanks.

Manufacturer: Thomas Scientific Brand: WTW Model: 251301

Nephelometric or transmittance measuring-the nephelometric measurement at 90° scattered light is advantageous for lower turbidity, whereas the transmission measurement at 180° is beneficial for medium to high turbidity values: With increasing turbidity, restray and scattering effects between particles are growing bigger. The reduction of light intensity in this case leads to a more accurate result than a 90° nephelometric measurement. Therefore, lab meters for high values are equipped with several measuring options: ratio modes calculate the final result from different measured angles. For ratiometric measurements, there is no specific standard method to be followed; rather, procedures are established by the application or industry. White light has a higher sensitivity for small particles, however, the inherent coloration of the solution has a stronger disturbing effect in this case. The IR measurement is required by DIN ISO, the white light measuring by US EPA.

Manufacturer: HACH Brand: Hach Company Model: 5870050

Generic Pocket Colorimeter II Instruments are intended for applications not included in standard analysis systems. They are available in a range of wavelengths appropriate for many custom calibrations. In addition to the factory absorbance calibration (0-2.5 A), the instruments offer two user-entered, two-point, linear calibrations, and provide a choice of either 0.00 to 2.55 or 0.0 to 99.0 for the display value.

Manufacturer: Tathastu Brand: Tathastu

Tathastu Saybolt Viscometer

Manufacturer: GSS Brand: GSS

GSS Saybolt Viscometer