Hach 51 Series, User Manual

Page: 5 / 186

Specification Details
Limit of detection
(LOD) Low range sensors 0.6 ppb 0.015 mbar or 15 ppm gas (at
atm pressure)
High range sensors 0.015 ppm 0.4 mbar or 400 ppm gas (at
atm pressure)
Response time
(90%) Low range sensors < 30 seconds < 10 seconds
High range sensors < 50 seconds < 10 seconds
Display resolution High and low range sensors 0.1 ppb 0.001 mbar or 1 ppm gas
Calibration Low range sensors: Single point calibration (zero)
High range sensors: Two at cap replacement (zero and air), one during use (air)
Calibration sample Low range sensors: Standard 99.999% N
2
(quality 50) or equivalent oxygen free gas
High range sensors: Standard 99.999% N
2
(quality 30) or equivalent oxygen free gas, air
M1100 12 mm (PG
13.5) sensor (L x W) 246 x 47 mm - weight 0.6 kg
9.69 x 1.85 in. - weight 1.32 lbs
K1100 and
M1100 28 mm
sensor (L x W) 143.50 x 49 mm - weight 0.74 kg
5.65 x 1.93 in. - weight 1.63 lbs
Calibration device Weight 0.7 kg
Expanded manual version
For additional information, refer to the expanded version of this manual, which is available on the
manufacturer's website.
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.
Safety information
N O T I C E
The manufacturer is not responsible for any damages due to misapplication or misuse of this product including,
without limitation, direct, incidental and consequential damages, and disclaims such damages to the full extent
permitted under applicable law. The user is solely responsible to identify critical application risks and install
appropriate mechanisms to protect processes during a possible equipment malfunction.
Please read this entire manual before unpacking, setting up or operating this equipment. Pay
attention to all danger and caution statements. Failure to do so could result in serious injury to the
operator or damage to the equipment.
Make sure that the protection provided by this equipment is not impaired. Do not use or install this
equipment in any manner other than that specified in this manual.
Use of hazard information
D A N G E R
Indicates a potentially or imminently hazardous situation which, if not avoided, will result in death or serious injury.
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