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TRANSMISSIVITY ACCESSORIES

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Product Description

TRANSMISSIVITY ACCESSORIES

SUPPORT EQUIPMENT & SUPPLIES FOR TRANSMISSIVITY (IN-PLANE FLOW) TESTING OF GEOSYNTHETIC DRAINAGE MATERIAL PROFILES

TRANSMISSIVITY DEVICE OPTIONS

CEN/ISO Profile Modification
Increase profile height to 4.375″ (11+cm) to meet CEN standard
AF-S-AE-CEN
Platen Seal Tubing
Replacement tubing for platen seals sold in 12′ lengths

Latex AF-C-TU-100
Neoprene AF-C-TU-150

Acrylic Light Weight Platen
Typical aluminum platen weighs approximately 15 lbs. An acrylic platen
allows ultra-low loading forces
For 12″ X 12″ Box AF-C-PL-012

Closed Cell Foam Rubber
Closed cell foam rubber material are used in transmissivity testing to model the soil boundries of a drainage profile. This material does not contaminate the test water or allow “preferential” flow channels like soil/sand layers do.
This material is sold in 42″ X 72″ sheets the Durometer hardness is typically Shore00 45-55 This product may be layered to achieve the desired thickness

Nominal 1/2″ (12.7 mm) thickness AF-M-127
Nominal 1″ (25.4mm) thickness AF-M-254

AF-C-TR-275 Precision Head Control Slide Threshold Box Assembly
An aluminum guide rail and an acrylic enclosure designed to enhance the ease and repeatability of establishing the desired head level from gradients from 0 to over 1

AF-C-CB-000 Calibration Bar Kit
A set of bars used to create a range of profiles that will allow a technician to plot the flow characteristics of the test box. Designed for most ASTM D4716 test boxes

AF-C-CB-010 Calibration Bar Kit
A set of bars used to create a range of profiles that will allow a technician to plot the flow characteristics of the test box. Designed for the CEN “Eurotrans”

AF-C-VN-000 “V” Notched Weir Panel Insert
An acrylic plate cut with a “V” notch discharge. This insert interchanges with the square edge threshold in the downstream of the
transmissivity device. This component is useful with very low flow conditions.

AF-C-TR-070 Digital profile displacement Indicator
Monitor profile compression through the entire profile travel accurate to
0.000″(English or metric)
AF-C-TR-232 Profile Displacement Indicator Communication Cable
Smart cable that allows data from the Digital profile
Indicator to be connected to a PC via a RS232 protocol

AF-C-TR-485 Profile Displacement Indicator Communication Cable
Smart cable that allows data from the Digital profile
Indicator to be connected to a PC via a RS485 protocol

Sample Blanking Die
Use with a sample press to prepare quick accurate samples
AF-D-AA-000 12″ X 14″
AH-C-AK-000 20 Ton Hydraulic “H” Frame Sample Preparation Press
AH-C-AL-000 Replacement Cutting Surface for 20 Ton Press

Digital Gradient Indication Assembly
A digital panel meter and differential pressure transducer designed to electronically measure the differential pressure in the upstream and downstream of the test device. This allows greater accuracy in attaining desired test gradients, particularly sub 0.1 gradients. This assembly includes serial output for communication with a PC

AP-C-DP-005 0-5″ (127 mm) +/- 0.15% (resolution 0.008″ or 0.19 mm)
AP-C-DP-010 0-10″ (254 mm) +/- 0.15% (resolution 0.015″ or 0.38
mm)
AP-C-DP-020 0-20″ (508 mm) +/- 0.15% (resolution 0.03″ or 0.762 mm)
(The 0-10″ can be specially scaled to 15″ with the same F.S. accuracy add
$200.00)

AP-C-DP-705R Hand Held Digital Gradient Indication Assembly
A digital hand held meter designed to electronically measure the differential pressure in the upstream and downstream of the test device. This allows greater accuracy in attaining desired test gradients, particularly sub 0.1 gradients (1psi (27.7in H2O) X 0.1%FS

Gradient 1% Accuracy of reading values
1.0 =+/-0.12″ 0.1 =+/-0.012″ 0.05 =+/-0.006″ 0.01 =+/-0.0012″

AM-ACW-3a 13 Pound Capacity Digital Scales x 0.0051bs (11″ x 9″ platform)

Load Cell Accuracy
Additional Load Cells can be used to compliment the accuracy of the lower end of the load scale. These load cells can be configured with the meter provided with the Transmissivity Device. Mounting adapters will be provided with the load cells.

AP-C-LC-002 2,000 Pound Load Cell Max Error of Reading +/- 2.5 lbs

AP-C-LC-005 5,000 Pound Load Cell Max Error of Reading +/- 7 lbs

AP-C-LC-010 10,000 Pound Load Cell Max Error of Reading +/- 14 lbs

AP-C-LC-020 20,000 Pound Load Cell Max Error of Reading +/- 25 lbs

AP-C-LC-030 30,000 Pound Load Cell Max Error of Reading +/- 40 lbs

AP-C-LC-040 40,000 Pound Load Cell Max Error of Reading +/- 60 lbs

AP-C-LC-050 50,000 Pound Load Cell Max Error of Reading +/- 130 lbs

Auxiliary Pneumatic Loading Ram
Four-inch bore cylinder and mount to deliver loads from below 50 pounds to over 700 pounds with 100 psi. This ram will be operated with the pressure regulator provided with the transmissivity device. Mount adapters will be provided with the ram for the 2,000 and / or 5,000 pound load cells. AF-C-AG-750

AF-C-WC-010 Water Collection Assembly
This assembly is designed to collect the discharged water from the downstream of a Transmissivity device and measure three flow values upon demand. The discharged water is collected in a measuring tank configured for use in measuring water volume. The test water is allowed to discharge from the measuring tank through a valve until a flow-measuring event is desired. When the technician desires to measure the flow. The discharge valve in the measuring tank is closed. (An over flow feature in the measuring box will direct any over flow water to the water circulation system of the Transmissivity device.) Following this, a start button on the flow monitoring instrument panel will initiate the flow measuring protocol and collect the flow data for three data points automatically. The flow monitoring instrument panel assembly consists of 3 resettable timers scaled in seconds (0000.000sec). The timers and the control electronics are mounted in an enclosure. Contacts are positioned in a calibrated tank to start and stop each of the
three timers sequentially. The time it takes to reach each contact is equal to a calculated volume of water. Additional contacts positions can be selected by a switch. These selectable contacts offer a wider range of volume between contacts. At the end of the water collection, the collection tank valve is opened and the collection tank drains. (The approximate size of collection tank sizing and collection ranges are based on input from the purchaser. In some cases some tank sizes will require additional fees)

AF-C-WC-300 Water Collection Assembly
This assembly is designed to collect the discharged water from the downstream of a Transmissivity device and measure three flow values upon demand. The discharged water is collected in a measuring tank configured for use in measuring water volume. The test water is allowed to discharge from the measuring tank through a valve until a flow-measuring event is desired. When the technician desires to measure the flow. The discharge valve in the measuring tank is closed. (An over flow feature in the measuring box will direct
any over flow water to the water circulation system of the Transmissivity device.) Following this, a start button on the flow monitoring instrument panel will initiate the flow measuring protocol and collect the flow data for three data points
automatically. The flow monitoring instrument panel assembly consists of 4 panel meters. The first meter acts as the controlling device for the assembly. This meter is programmed to function as a control timer. The technician can select and display the amount of time desired to determine the flow rate of each of the three collection points. This time value may be set and locked out to prevent accidental changing of the collection time. The other three meters are programmed to display and hold the volume of the water collected at the completion of each collection time. (Volume over time =flow) The time and the weight (volume) of the collection will be displayed until the panel is reset upon the start of the next measurement set. Following the flow measurement, the discharge valveis opened and the water from the measuring tank is released.

AF-C-WC-250 Computer Interface Hardware and Software System
AF-C-WC-150 & AF-C-WC-175
Can be used with AF-C-WC-300 Water Collection Assembly

AF-C-WC-150 Computer Interface Hardware
Accepts up to 16 inputs connects to the serial port of a PC
AF-C-WC-175 Computer Data Interface Software
Accepts up to 16 inputs Programmable to log data and or poll data at an event to generate a report With the above hardware and software, a Transmissivity device equipped with :
BT load cell and Display (normal load) BT digital gradient indication system
BT temperature indication system BT Water Collection Assembly
The data from the water temperature, normal load, differential pressure (gradient) can be logged throughout the test. Plus the data from the load, water temperature, gradient & the collection time and (X3) weight (volume) can be sent to the software as a report update. MeterSoft Software will connect to the same data collecting instruments. This software’s design will generate a report update of each of the programmed data points at the moment each of the water collection events occur. This will reduce the potential error of one of the data values being changed before the report update is sent to the PC.

Data Acquisition System
This system consists of two main components. The data logging software and the analog to digital converter. Metersoft, is a user friendly software package for data acquisition. The logged data can be displayed as “panel meters” on the computer monitor and a as
graphed data. The software allows each of the four input channels to be custom configured. Logged data can be transferred to most popular spreadsheet packages. The analog to digital converter is housed in an enclosure with four analog inputs (analog 0-5vdc or 4-20mA with 250 ohm resister) and a RS-485 input port to pole and receive data from digital sources. (2 Drivers provided with the software. Additional drivers available) The system can be set up to log and display a combination of up to 4 inputs, analog digital. AP-C-AK-010

Typically the meters and/or sensors supplied by BT Technology Inc. feature auxiliary out put capabilities that can be used for data logging with Metersoft or others recording equipment. In some cases specialized cords or cables may be required

25 Gallon De-Airing Apparatus AF-C-DA-500
Quickly and efficiently reduces the dissolved oxygen content in test water. It will produce a batch of water with dissolved oxygen content from saturation to below 6ppm
Vacuum Pump (operates on 230 VAC)
Vacuum Pump Water Traps
Vacuum Pump Water Vapor Trap
Replacement Dri-rite for vapor trap

Total Dissolved Oxygen Meter AP-SM600
LCD display of the level of DO in the test water for Transmissivity and Permittivity
The meter has a range of 0 to 19 ppm Less that 6 ppm required for geotextile testing

Zero Oxygen Calibration Solution AP-M9070 220 ml

DO Probe Electrolyte Filling Solution AP-M9071 220ml

DO Meter Probe Replacement Membranes AP-MA841 5 membranes in a pack

Constant Oil Pressure/ Load Compensator Assembly
Enhances the loading characteristics of the manual loading hydraulics by allowing the loading force to be set and regulated by an air/oil system that will allow a constant pressure (load) through a 1/2″ travel of the users 4″dia loading ram. System includes precision pressure regulator and connection for the oil fittings.
AF-C-AO-300

Pressure Load Indicator
Digital Display of oil pressure in the loading cylinder 0-3,000 psi oil 0.5% F.S. accuracy Scaled in pounds per square foot (0-30,000 psf)
AP-C-AH-300N

Pressure Load Indicator with Serial Connection
Digital Display of oil pressure in the loading cylinder 0-3,000 psi oil 0.5% F.S. accuracy Scaled in pounds per square foot (0-30,000 psf) Serial out put for PC
communication
AP-C-AJ-3000

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