The pHAMP series has been discontinued. You may check on the availability of remaining stock.
The NEWPORT® PHAMP Series Preamps are unity gain preamplifiers
which convert the high impedance mV signal of a pH or ORP electrode
to a low impedance signal which can travel 1,000 feet over ordinary
wire and connectors not only to pH meters and controllers which
are designed with high impedance input circuitry, but also to
Process Meters and Controllers such as the iSeries which
can not otherwise register the high impedance signal. In many
applications the PHAMP series Preamps will also extend the useful
life of expensive pH electrodes, lowering the output impedance
of an aging electrode allowing it to continue providing a measurable
signal.
The PHAMP-1 is powered by lithium batteries with an estimated
life of 5 years when used with high input impedance instruments.
The electronics are entirely encapsulated in an epoxy filled stainless
steel enclosure. The input and output connections are industry
standard BNC. The output can be split from coaxial to separated
leads with the 3073 adapter.
The PHAMP-2 is a 10-40 volt dc powered preamp which can
be powered by the excitation of a process meter or the optional
power supply. The electrodes are entirely encapsulated
in a compact epoxy filled enclosure designed for easy mounting
in a manufacturing process. The PHAMP-2 offers redundant outputs
from either a BNC connection, terminal strip or both at the same
time.
The PHAMP-3 is the same as the PHAMP-2 (above) with the
added feature of AUTOMATIC TEMPERATURE COMPENSATION. With the
output of a PHAMP-3 automatically compensated for temperature
variations, it is possible to use an inexpensive but sophisticated
process meter or controller (such as the iSeries) to monitor and control pH in place of
more expensive dedicated pH meters. The Automatic Temperature
Compensating element required is a 1,000 Ohm RTD. (ATC is not
used on ORP measurements.)
SPECIFICATIONS
- COMMON
Output Offset: 1 mV typical; 2 mV max. which corresponds to 0.033 pH
Input Impedance: 10 to the power of 13, Ohms
Output Impedance: 20K Ohms
Output Voltage: -2000 mV to +2000 mV
Operating Temperature: 0 to 60°C (32 to 140°F)
PHAMP-1 Internal Battery Powered
Model
Dimensions: 95.25 L x 17.8 mm D,(3.75" x 0.7")
Weight: 5.7 g, (2 oz.)
Battery Life: Approximately 5 Years
PHAMP-2, PHAMP-3 External
Powered Dual Output
Model Power: 10 to 40 Vdc
Dimensions: 38.1 H x 76.2 W x 38.1 mm D, (1.5" x 3" x 1.5")
|
|
|
† All dollar amounts on this site are shown in US currency.
Ordering Example: (1) PHAMP-1 pH preamplifier , (1) PHEH-65-10 Mounting assembly for PHE-6510, (1) PHA-4 4.01 pH buffer solution 475 ml bottle = $161
|
|
|
|
|
Keywords: pH/ORP Preamplifiers, preamps, phamp, phtx-21, phtx-22, phtx-23
|
Back to top |
| |