MULTI 3400i MULTI-PARAMETER METERS
Multi-parameter meter for monitoring pH, oxygen, and conductivity
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FEATURES:
- Accurate, rugged and easy to use
- Up to three parameters measured at once (including temperature)
- Up to 2500 hours continuous operation
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Multi-parameter Meters Product Description
The compact precision Multi 3400i Multi-parameter Meters enable you to carry out pH measurements,
dissolved oxygen (DO) measurements and conductivity measurements quickly and reliably. The Multi 3400i Multi-parameter Meters provide the maximum
degree of operating comfort, reliability and measuring certainty for all applications. The multi-parameter meter is hose-proof with battery or
optional AC adapter and is optimally suited for use in the field, in laboratories, or at production sites.
The Multi 3400i Multi-parameter Meters have several useful features including an energy saving feature to avoid unnecessary battery depletion. The
energy saving feature switches the multi-parameter meter off if no key has been pressed for an hour. The multi-parameter meter can perform pH
measurements with or without a temperature sensor or by using the conductivity or oxygen probe's built in temperature sensor. The multi-parameter
meters recognize which sensors are connected and automatically switch to the correct mode for the temperature measurement. The multi-parameter meter's
AutoRead function (drift control) checks the stability of the measurement signal.
pH/Oxi or pH/Cond Multi-parameter Meters
WTW multi-parameter meters stand for precise multi-parameter measuring technology. The pH/Oxi 3400i multi-parameter meter for the determination of
pH, oxygen and temperature and the pH/Cond 3400i multi-parameter meter for the determination of pH, conductivity and temperature are favorably-priced
alternatives to the single parameter instruments for applications which require the measurement of several parameters. The multi-parameter meters
are hose-proof and also meet the requirements of IP 66. Kits include a professional case with sample beakers, multi-parameter meter, pH electrode
and oxygen or conductivity sensor, STH 320 stand and calibration and maintenance supplies.
TetraCon® 325 Conductivity Probe
The TetraCon® 4-electrode system sets a new standard for professional conductivity measurements. In comparison with conventional measuring cells with 2 electrodes,
the TetraCon® 325 conductivity cell offers numerous technical advantages:
- Highly accurate and linear because of optimized cell geometry
- Extremely large measuring range with just one cell
- Long-term cell constant stability with high-quality abrasion-resistant graphite electrodes
- Built-in temperature sensor as standard
- Smallest immersion depth possible
- Automatic resistance compensation provides accurate measurements even with a dirty electrode
- Measurement not affected by cable influences, polarization effects or contact with side walls
- Robust, unbreakable epoxy body
Multi-parameter Meters Specifications
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pH/ORP measurement
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Oxygen measurement
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Conductivity measurement
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RANGE/RESOLUTION
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pH:
-2.00 to 19.99 / 0.01
mV:
-1999 to +1999 / 1
Temp.:
23 to 221 °F (-5.0 to 105.0 °C) / 0.1 (0.1)
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O2 Concentration:
0.00 to 19.99 mg/l / 0.01
0.0 to 90.0 mg/l / 0.1
O2 Saturation:
0.00 to 199.9% / 0.1
0.0 to 600% / 1
Temp:
32 to 122 °F (0.0 to 50.0 °C) / 0.1 (0.1)
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Conductivity:
0 to 1999 uS/cm / 1
0.00 to 19.99 mS/cm / 0.01
0.0 to 199.9 mS/cm / 0.1
0 to 500 mS/cm / 1
Salinity:
0.0 to 70.0 according to the IOT table / 0.1
Temp:
23 to 221 °F (-5.0 to 105.0 °C) / 0.1 (0.1)
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PRECISION (+ 1 DIGIT)
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pH:
+ 0.03 (+2 pH units around the calibration point)
mV:
+ 1
Temp:
+ 0.1
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O2 Concentration:
+ 0.5 % of measured value at ambient temperature +41 to +86 °F (+5 to +30 °C)
O2 Saturation:
+ 0.5 % of measured value when measuring in the range of + 10 K around the calibration temperature
Temperature Compensation:
<2% at +32 to +104 °F (+0 to +40 °C)
Temp °C:
+ 0.1
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Conductivity:
+ 0.5 % of value
Salinity:
+ 0.1 from +41 to +77 °F (+5 to +25 °C)
+ 0.2 from +77 to +86 °F (+25 to +30 °C)
Temp:
+ 0.1
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TEMPERATURE COMPENSATION
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Automatic:
23 to 221 °F (-5 to +105 °C)
Manual:
-4 to 266 °F (-20 to +130 °C)
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32 to 122°F (0 to +40 °C)
<2% from 32 to 104 °F (0 to +40 °C)
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Non-linear function for ultrapure and natural waters to EN 27 888
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REFERENCE TEMPERATURE
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N/A
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N/A
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68 °F/77 °F (20 °C/25 °C) selectable
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Memory: 500 Datasets
Serial Interface:
Baud Rate: Adjustable: 1200, 2400, 4800, 9600 Baud
Type: RS232, data output
Data Bits: 8
Stop Bits: 2
Parity: None
Handshake: RTS/CTS + Xon/Xoff
Cable Length: Max. 15m
Ambient Conditions:
Storage: -13 to +149 °F (-25 to +65 °C)
Operation: 14 to 131 °F (-10 to +55 °C)
Climatic Class: 2
Power:
Batteries: 4 x 1.5 V alkali-manganese, type AA
Operational Life: approx. 3000 operating hours
Plug-in Power Supply:
Input: 100 to 240 V ~ / 50 to 60 Hz / 400 mA
Output: 9 V = / 1.5 A
IP Rating: IP-66
Certifications: cETLus, CE
Electrical Safety: Protective class III
Weight: 0.7 lbs (0.3 kg) (without plug-in power supply)
Size: 6.8x3.1x1.5 in (172 x 80 x 37 mm)
CellOx® 325 Probe
Electrode material: Gold (Working), Lead (Counter)
Shaft material: POM
Measuring range: 0 to 50 mg/l O2, 0 to 600% O2
Temperature range: 32 to 122 °F (0 to 50 °C)
Min/max immersion depth: 2.4in to 65ft (6cm to 20m) depending on cable length
Shaft length: 7.38 in (187.5 mm)
Diameter: 0.70 in (17.5 mm)
Weight: 6 oz (170 g)
TetraCon® 325 Probe
Electrode material: Graphite
Shaft material: Epoxy
Shaft length: 4.72 in (120 mm)
Cell constant: K = 0.475 cm-1
Diameter: 0.60 in (15.3 mm)
Measuring range: 1 uS/cm to 2 S/cm
Temperature range: 32 to 212 °F (0 to 100 °C)
Min/max immersion depth: 1.4/4.7 in (36/120mm)
Multi-parameter Meters Options & Prices
Prices listed are for United States and Canada only. Call or e-mail us for pricing in other countries.
Terms and Conditions
ORDER NOW
Multi 3400i Kit Multi-parameter Meter (PN# 2F30-104B22)
Includes Multi 3400i, SenTix® 41-3 pH electrode, CellOx 325-3 oxygen electrode, TetraCon 325-3 conductivity sensor, Tech.
buffers 4 and 7, 3 M KCl, cleaning solution, 3 exch. membr. heads, electrolyte, abrasive foil, cond standard (1413 µS/cm) All
sensors have 9.8 ft (3 m) of cable.
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$Call |
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pH/Cond 3400i Set Multi-parameter Meter (PN# 2E30-101B02)
Includes pH/Cond 3400i, SenTix® 41-3 pH electrode, TetraCon 325-3 conductivity sensor, beaker, cond standard
(1413 µS/cm) All sensors have 9.8 ft (3 m) of cable.
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$Call |
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pH/Oxi 3400i Set Multi-parameter Meter (PN# 2D30-101B20)
Includes pH/Oxi 3400i, SenTix® 41-3 pH electrode, CellOx 325-3 oxygen sensor, 3 exchange membrane heads,
cleaning solution, abrasive foil, technical buffers 4 and 7, 3 M KCl All sensors have 9.8 ft (3 m)
of cable.
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$Call |
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Multi-parameter Meters Calibration Solutions
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pH 4 Buffer, 500 ml bottle (PN# 478551)
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$16.20 |
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pH 7 Buffer, 500 ml bottle (PN# 478552)
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$16.20 |
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pH 10 Buffer, 500 ml bottle (PN# 478553)
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$16.20 |
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Rainbow buffer pack (PN# 478554)
Includes one 500 ml bottle each of pH 4, 7, and 10.
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$49 |
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KS 5 uS Waterproof Conductivity Meter 5 uS/cm Solution (PN# 300580)
Calibration standard 5 µS/cm, shelf life 1 year, NIST traceable, accuracy ±2%.
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$Call |
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KS 100 uS Waterproof Conductivity Meter 100 uS/cm Solution (PN# 300578)
Calibration standard 100 µS/cm, shelf life 2 years, NIST traceable, accuracy ±3%.
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$Call |
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E-SET Trace uS Waterproof Conductivity Meter Calibration Set (PN# 300572)
Calibration set, 6 bottles with 50 ml calibration and control standard each, KCl 0.01 M/l traceable to PTB/NIST.
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$Call |
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6R/SET/LAB1 Waterproof Conductivity Meter Calibration Set (PN# 302870)
Test set for checking all conductivity meters with waterproof 8-pin socket according to ISO 9000.
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$Call |
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