Technical data

91
162.
Electroportor 2510
Eppendorf
Time Constant : 5 ms nominal with a sample impedance on 3.3 k
Pulse Key : Starts the charge/discharge procedure (press twice)
Act Volts Key : displays the actual voltage delivered to the cuvette
Time constant key displays the time constant f the discharge
Four digit display
Internal calender and real-time clock.
RS 232 interface with the option of printing out or transferring to the computer the set voltage (SET), current voltage
(ACT) and actual time constant of the discharge curve (TC) together with the sample number, date and time.
Accessories (Optional)-
Cuvettes Alluminium GAP 1MM (Set of 50)
Cuvettes Alluminium GAP 2MM (Set of 50)
Cuvettes Alluminium GAP 4MM (Set of 50)
163.
Electronic Logging
Tensiometer System
The System should be able to monitor Soil Moisture Tension continuously , should be supplied complete with
Tensiometer Transducer- 7Nos.with with 10 meter cable , Jet-filled Tensiometer with 15 , 30, 45, 60 , 90, 120 and 150
cm length, Field Station with Logger and other Accessories. Meter reader also should be supplied as an optional.
Specification of Tensiometer Transducer and Tensiometer with ceramic cups:
Voltage output: transducer has a 4 wire output signal. Data transfer for 30+ meters.
Range: -100 to 200 kPa, Resolution: 0.1 kPa, Accuracy: ±1.0% span , Power Supply: 10.0 V DC, stabilized
The Interface should be with mV output Smart Interface and minimum 10 meter cable for Logger interface.
The following Tensiometer Reservoir should be supplied:
Jetfill Tensiometer, Reservoir, Body & Cup 15cm , 30cm, 45cm , 60cm , 90cm , 120cm, and 150cm depth - No Gauge
Field Station with Datalogging Instruments :
Plug & Play Smart Logger. Standard 200 channels. Memory: 500,000 (4MB); Date & Time Stamped, High Resolution
(16 Bit) readings. Includes :LCD display, 6V/7 Ahr battery, 110/240V (12V, 2.5Amp DC output) power supply, RS232
cable, embedded software for operation with HyperTerminal & user manual.
Field Station should be supplied complete with enclosure , Mast and other accessories with Solar Panel.
Data communication with GSM Telemetry and optional hard wired through RS232C Cable to Lap Top PC or Desk Top
PC from Logger.
164.
Electronic Water Level
Indicators
Eijkelkamp / HERON INSTRUMENTS Inc. Canada