Hach Lachat, User Instructions

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Table of contents
Specifications on page 3 Startup on page 22
General information on page 3 Maintenance on page 22
Installation on page 9 Troubleshooting on page 26
User interface on page 20 Replacement parts on page 27
Specifications
Specifications are subject to change without notice.
Amperometric detector enclosure
Specification Details
Dimensions (W x D x H) Closed: 27.94 x 22.86 x 12.07 cm (11 x 9 x 4.75 in.); Open: 27.94 x 28.26 x 27 cm
(11 x 11.126 x 10.625 in.)
Weight 2.43 kg (5.35 lb)
Potentiostat
Specification Details
Dimensions (W x D x H) 10 x 6.5 x 18 cm (4 x 2.5 x 7 in.)
Weight 0.9 kg (2 lb)
Operating temperature 5 to 40 ºC (41 to 104 ºF)
Operating humidity 80% maximum relative humidity for temperatures up to 31 ºC (88 ºF) decreasing
linearly to 50% at 40 ºC (104 ºF)
Power requirements 10 to 16 VDC unregulated at no-load, 100 mA/hour; Internal battery: NiCad,
standard 9 V rechargeable battery; Power supply: 12 VDC, 10 mA
Power output 0 to 1 VDC at I OUT port
Note: 1 VDC agrees with a full-scale reading in the selected range. For example, the I OUT port
signal is 0.5 V when the range setting is 10 nA and a flow cell current is 5 nA.
Applied potential to flow cell ± 1.500 V
Measurement range 5, 10 and 20 nA range: ± 19.99 nA; 50, 100 and 200 nA range: ± 199.9 nA
Offset ± 199.9 nA
Output filter 0.03, 0.08 or 0.3 Hz
General information
In no event will the manufacturer be liable for direct, indirect, special, incidental or consequential
damages resulting from any defect or omission in this manual. The manufacturer reserves the right to
make changes in this manual and the products it describes at any time, without notice or obligation.
Revised editions are found on the manufacturer’s website.
English 3