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Cond 7310 Conductivity Benchtop Meter
The WTW inoLab® Cond 7310 Conductivity Benchtop Meter is highly suitable for all conductivity precision measurements. It features automatic documentation according to GLP/AQA in quality labs, suitable for all industries.
PRODUCT FEATURES
Precise and high performance laboratory conductivity meter with GLP supporting functions for the documentation of measured results.
It works with all modern WTW conductivity measuring cells to cover all applications.
For the documentation, the serial number of the used sensor can be entered.
The measured values can be printed out via the optional built-in printer.
Measuring ranges, resolution | Parameter | Measuring range | Resolution |
ϰ[µS/cm] | |||
ϰ [mS/cm] | |||
ρ (Resistivity) [Ohm*cm] | |||
ρ (Resistivity) [kOhm*cm] | |||
ρ (Resistivity) [MOhm*cm] | |||
SAL | |||
TDS | |||
T [°C] | |||
T [°F] |
* only possible with cells of the cell constant, 0.010 cm-1
** only possible with cells of the cell constant, 0.010 cm-1 or 0.090 ... 0.110 cm-1
Cell constants | Cell constant C | Values |
Can be calibrated in the ranges | 0.450 ... 0.500 cm-1 0.800 ... 0.880 cm-1 | |
Adjustable | 0.090 ... 0.110 cm-1 0.010 cm-1 (fixed) 0.250 ... 25.000 cm-1 |
Reference temp. | Reference temperature | Values |
Adjustable | 20 °C (Tref20) 25 °C (Tref25) |
Accuracy (± 1 digit) | Parameter | Accuracy | Temperature of the test sample |
ϰ and ρ / temperature compensation
None (Off) | ± 0.5 % | ||
Nonlinear (nLF) | ± 0.5 % ± 0.5 % | 0 °C ... +35 °C according to EN 27 888 +35 °C ... +50 °C enhanced nLF function | |
Linear (lin) | ± 0.5 % | +10 °C ... +75 °C | |
SAL / range 0.0 ... 42.0 |
± 0.1 ± 0.2 |
+5 °C ... +25 °C +25 °C ... +30 °C | |
TDS [mg/l] | ± 0.5 % | ||
T [°C] /temp. sensor NTC 30 PT 1000 |
± 0.1 ± 0.1
|
General data
Dimensions | Approx. 230 x 190 x 80 mm | |
Weight | Approx. 0.8 kg | |
Mechanical structure | Type of protection | IP 43 |
Electrical safety | Protective class | III |
Test certificates | CE | |
Ambient conditions | Storage | 25 °C ... +65 °C |
Operation | +5 °C ... +55 °C With the power pack connected: +5 °C ... +40 °C | |
Admissible relative humidit | Yearly mean: < 75 % 30 days/year: 95 % Other days: 85 % | |
Power supply | Batteries | 4 x 1.5 V alkali-manganese batteries, type AA |
Rechargeable batteries | 4 x 1.2 V NiMH rechargeable batteries, type AA (no charging function) | |
Operational life | Up to 800 h without / 100 h with illumination | |
Power pack | Kuantech Co. Ltd. KSAC 0900110W1UV-1 Input: 100 ... 240 V ~ / 50 ... 60 Hz / 270 mA Output: 9 V = / 1.1 A Connection max. overvoltage category II Primary plugs contained in the scope of delivery: Euro, US, UK and Australian. | |
USB interface | Type | USB 1.1 USB B (device), data output |
Baud rate | Adjustable: 1200, 2400, 4800, 9600, 19200 Baud | |
Data bits | 8 | |
Stop bits | 2 | |
Parity | None | |
Handshake | RTS/CTS | |
Cable length | Max. 3 m | |
Applicable directives and standards | EMC | EC directive 2004/108/EC EN 61326-1 EN 61000-3-2 EN 61000-3-3 FCC Class A |
Meter safety | EC directive 2006/95/EC EN 61010-1 | |
IP protection class | EN 60529 |