GF Signet 9900 Transmitter

SmartPro single channel interface & multi-parameter input selection.

Starting at $861.00 Starting at $774.90

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Features

  • Large auto-sensing backlit display
    • Dial-type digital bar graph
  • 1/4 DIN enclosure
  • Selectable error mode for current outputs
  • Digital (S³L) input
  • AC frequency input
    • 0.5 to 1500Hz range
    • 0.5% of reading accuracy
  • 4-20mA input capable
    • With optional 8058 converter accessory
  • Warning LED indicator
  • Custom 13-character label capabilities for channel type
  • CE, UL, CUL, FCC & RoHS compliant
This is a replacement for the GF Signet 8750 pH/ORP Transmitter.

The GF Signet 9900 transmitter provides a single channel interface for many different parameters including Flow, pH/ORP, Conductivity/Resistivity, Salinity, Pressure, Temperature, Level and other sensors that output a 4 to 20 mA signal. The extra large (3.90" x 3.90") auto-sensing backlit display features "at-a-glance" visibility that can be viewed at 4-5 times the distance over traditional transmitters. The highly illuminated display and large characters reduce the risk of misreading or misinterpreting the displayed values. The display shows separate lines for units, main and secondary measurements as well as a "dial-type" digital bar graph.

The 9900 is offered in both panel or field mount versions. Both configurations can run on 12 to 32 VDC power (24 VDC nominal). The 9900 can also be loop powered with compatible sensors.

Designed for complete flexibility, plug-in modules allow the unit to easily adapt to meet changing customer needs. Optional modules include Relay, Direct Conductivity/Resistivity, H COMM and a PC COMM configuration tool. The unit can be used with default values for quick and easy programming or can be customized with labeling, adjustable minimum and maximum dial settings, and unit and decimal measurement choices.

9900 Transmitter Applications:

  • Wastewater treatment
  • Reverse osmosis
  • Deionization (ultra pure water, two bed system, mixed bed system)
  • Chemical manufacturing / addition
  • Metal and plastic finishing
  • Fume scrubber
  • Cooling towers
  • Media filtration

Plug-In Modules

GF Signet 9900 Relay Module
GF Signet 9900 Relay Module

Relay module, 2DCR for GF Signet 9900 transmitter.

In Stock
$169.00 $152.10
GF Signet 9900 Direct Conductivity/Resistivity Module
GF Signet 9900 Direct Conductivity/Resistivity Module

Interfaces conductivity electrodes directly to the GF Signet 9900.

In Stock
$344.00 $309.60
GF Signet 9900 H COMM Module
GF Signet 9900 H COMM Module

Enables communication between the GF Signet 9900 and a HART®-enabled device.

$446.00 $401.40
GF Signet 3-9900.397 Batch Module
GF Signet 3-9900.397 Batch Module

adds batch capability to the 9900 Transmitter (Generation II).

$706.00 $635.40
GF Signet 4 to 20mA Output Module
GF Signet 4 to 20mA Output Module

Adds a second 4 to 20 mA Output to the 9900 Transmitter, loop settings are independent thus allowing different sources to be assigned to each loop.

$212.00 $190.80

Power Supplies

GF Signet 7310 Switching Power Supplies
GF Signet 7310 Switching Power Supplies

Regulated output voltage in compact and lightweight plastic housings for DIN Rail mounting.

Starting at $149.40

Mounting Bracket

GF Signet 8050 Universal Mounting Kit
GF Signet 8050 Universal Mounting Kit

Kit for mounting a field mount transmitter on a pipe, wall or other stationary surface near a sensor.

In Stock
$99.00 $89.10
GF Signet 8051 Flow Integral Mount NPT
GF Signet 8051 Flow Integral Mount NPT

Kit for use with integral versions of 515 and 2536 paddle wheel sensors.

$99.00 $89.10
GF Signet 8052 3/4" Integral Mount NPT
GF Signet 8052 3/4" Integral Mount NPT

3/4" Integral Mount NPT .

Starting at $104.40
GF Signet 9900 Rear Enclosure Kits
GF Signet 9900 Rear Enclosure Kits

Rear enclosure kits allow the GF Signet 9900 Transmitter to be mounted just about anywhere.

Some Models in Stock
Starting at $99.00

Accessories

Please consider these optional accessories.

GF Signet i-Go 8058 Signal Converter
GF Signet i-Go 8058 Signal Converter

Converts 4-20mA signal into the Signet digital format (S3L) for use with GF Signet instruments.

Some Models in Stock
Starting at $244.80
GF Signet Plug
GF Signet Plug

Plugs for the 9900 transmitter.

Starting at $26.10
GF Signet RC Filter Kit
GF Signet RC Filter Kit

RC Filter Kit.

$120.00 $108.00
GF Signet Adapter Kit
GF Signet Adapter Kit

Angle adjustment adapter kit for field mounting the 9900 transmitter.

$42.00 $37.80
GF Signet Standard Connector Kit
GF Signet Standard Connector Kit

Standard Connector Kit, Right Angle, 9900 Transmitter.

$71.00 $63.90
GF Signet Liquid Tight Connector Kit
GF Signet Liquid Tight Connector Kit

Liquid Tight Connector Kit, NPT (1 pc.).

Select options for pricing
GF Signet 3-0252 Configuration Tool
GF Signet 3-0252 Configuration Tool

Interfaces with Signet SmartPro transmitters and blind sensors, allowing fast and easy configuration using a PC.

In Stock
$386.00 $347.40
GF Signet 9900 Modbus Module
GF Signet 9900 Modbus Module

Connects any 9900 transmitter to a Modbus Communication network to transfer live readings & measurements to PLC & SCADA systems.

Starting at $416.00

Here's how some of our customers use this product...

RO Water Monitoring System

The Background: Our customer is a water treatment plant that uses reverse osmosis to remove contaminants from drinking water. They seek a way of ensuring treated water stays within a specified conductivity range as electrical conductivity is a key indicator of the RO quality and health of the RO system.

The Problem: The customer wants a control system that will prevent water with a conductivity above 200uS/cm from mixing with water that is compliant.

The Solution: We recommended a GF Signet 9900 Transmitter paired with a GF Signet 2819 Conductivity Electrode and actuated ball valve. The 9900 utilizes input from the 2819 and controls the ball valve with the help of a relay module that plugs into the back of the 9900.

The 9900 has both setpoint and hysteresis functions and so when the transmitter measures RO water above 200uS/cm, the ball valve will shut to prevent this out-of-compliance water from mixing with the known good product storage. The relay module mentioned earlier has two SPDT relays and only one is required to open/close the valve while the second relay can be used to alarm the workers. The workers can shut down the pumps/process and investigate the issue. Once the 9900 senses RO water below 190uS/cm it will automatically open the valve again for normal operation.

Part Number Mounting Style Price Available
3-9900-1P
Show Full Configuration
Panel mount
 $774.90 24 in stock
3-9900-1
Show Full Configuration
Field mount
 $774.90 19 in stock

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Other part numbers are available to order but are not currently in stock. Current availability for non-stock parts is "Usually ships in 4 weeks". Click here to select options