GF 3-9950-1 Signet 9950 Dual Channel Transmitter

The Signet 9950 Dual Channel Transmitter is a two-channel controller that can support two sensors of same or different types in one instrument. The sensor types supported by the 9950 are Signet Flow, pH/ORP, Conductivity/Resistivity, Salinity, Temperature, Pressure, Level, Dissolved Oxygen, and devices that transmit a 4 to 20 mA signal with the use of the 8058 iGo® Signal Converter.

The Signet 9950 Dual Channel Transmitter includes advanced features such as derived functions, advanced multiple relay modes, and timer-based relay functions. Derived functions allows for the control

of a relay or current loop with the sum, delta (difference), or ratio of two measurements, for example delta pressure and delta temperature. Multiple relay modes allow up to three signals to be used for the control of a single relay.

This can be any combination of analog and binary inputs. The timer relay modes allow relay to be activated on a repeating basis from every minute to once every

30 days. Weekday timer mode allows a relay to be turned on on a specific day or days of the week at a specific time.

The 3-9950.393-3 Relay Module includes the ability to interface up to four binary inputs. The binary inputs are compatible with either open collector or mechanical contacts. The binary inputs can supply power to the four inputs or accepts powered outputs from external devices. These inputs can be used with level switches, flow switches, pressure switches or other devices. The inputs can be used to directly control the relays of the

9950 or can be used in combination with the measurement readings for advanced control of your process.

 

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Features of Signet 9950 Dual Channel Transmitter

  • One instrument for multiple sensor types
  • Two different sensor types can be combined in one instrument
  • Configurable display
  • Derived measurements
  • Optional modules can be added for additional capabilities
  • USB Port for field upgrades using standard USB flash drive

Applications of Signet 9950 Dual Channel Transmitter

  • Wastewater Treatment
  • Reverse Osmosis
  • Deionization
  • Chemical Manufacturing / Addition
  • Metal and Plastic Finishing
  • Fume Scrubber
  • Cooling Tower
  • Media Filtration
  • Chemical Dosing/ Injection
  • Aquatic Life Support
  • Pools & Fountains
  • Rinse Tanks

 

Specifications of Signet 9950 Dual Channel Transmitter

 

Binary Input (3-9950.393-3)
Input Voltage Range (without damage) -5 VDC to 30 VDC (No operation below 0 VDC)
Max. Current Rating 6.0 mA
Max. Voltage Rating 30 VDC
Maximum Input Voltage for signal “Off” (low or “0”) 3.0 VDC
Minimum Input Voltage

for signal “On” (high or “1”)

4.8 VDC
Maximum Current Draw for Signal “0” (low) ≤ 500 µA DC
Minimum Current Draw for Signal “1” (high) 750 µA
Typical Current Draw for Signal “1” (high) 6.0 mA at 30 VDC, 4.8 mA at 24 VDC, 2.4 mA at 12 VDC, 1.0 mA at 5 VDC
Current Loop Specifications
Current Loop Out ANSI-ISA 50.00.01 Class H (Passive, external voltage required)
Voltage 10.8 to 35.2 VDC
Max. Impedance 250 Ω @ 12 VDC 500 Ω @ 18 VDC 750 Ω @ 24 VDC
Span 3.8 to 21 mA
Accuracy ± 32 µA max. error @ 25 °C @ 24 VDC
Resolution 6 µA or better
Temp. Drift ± 1 µA per °C
Isolation Low voltage (< 48 VAC/DC)
Update Rate 100 mS nominal
Zero 4.0 mA factory set; user programmable from 3.8 to 5.0 mA
Full Scale 20.0 mA factory set; user programmable from 19.0 to 21.0 mA
Power Supply Rejection ± 1 µA per V
Current Loop Specifications
Current Loop Out ANSI-ISA 50.00.01 Class H (Passive, external voltage required)
Voltage 10.8 to 35.2 VDC
Max. Impedance 250 Ω @ 12 VDC 500 Ω @ 18 VDC 750 Ω @ 24 VDC
Span 3.8 to 21 mA
Accuracy ± 32 µA max. error @ 25 °C @ 24 VDC
Resolution 6 µA or better
Temp. Drift ± 1 µA per °C
Isolation Low voltage (< 48 VAC/DC)
Update Rate 100 mS nominal
Zero 4.0 mA factory set; user programmable from 3.8 to 5.0 mA
Full Scale 20.0 mA factory set; user programmable from 19.0 to 21.0 mA
Power Supply Rejection ± 1 µA per V
Error Condition Selectable error condition 3.6 or 22 mA or None
Test Mode Increment to desired current (range 3.8 to 21.00 mA)
Analog Outputs 2 Passive 4 to 20 mA Outputs in Base Unit
Relay Specifications

 

Actual Update Rate Determined by Sensor Type Short Circuit and Reverse Polarity Protected Adjustable Span, Reversible

Dry-Contact Relays (3-9950.393-1, 3-9950.393-2, and 3-9950.393-3)

Type SPDT
Form C
Max. Voltage Rating 30 VDC or 250 VAC
Max. Current Rating 5 A resistive

Solid-State Relays (3-9950.393-2)

Type SPDT
Form C
Max. Voltage Rating 30 VDC or 30 VAC
Max. Current Rating 0.050 A resistive
Hysteresis Adjustable (absolute in Engineering Units)
On Delay 9999.9 seconds (max)
Cycle Delay 99999 seconds (max)
Test Mode Set On or Off
Maximum Pulse Rate (PLC and Counters) 300 pulses/minute
Proportional Pulse (Metering Pumps) 300 pulses/minute
Volumetric Pulse Width 0.1 to 3200 s
PWM Period (Solenoid Valves) 0.1 to 320 s
Display Ranges
pH -1.00 to 15.00 pH
pH Temp. -99 °C to 350 °C -146 °F to 662 °F
ORP -1999 to +1999.9 mV
Flow Rate -9999 to 99999 units per second, minute, hour or day
Totalizer 0.00 to 99999999 units
Conductivity 0.0000 to 99999 µS, mS, PPM and PPB (TDS), kΩ, MΩ
Cond. Temp. -99 °C to +350 °C -146 °F to 662 °F
Temperature -99 °C to +350 °C -146 °F to 662 °F
Pressure -40 to 1000 psi
Level -9999 to +99999 m, cm, ft, in, %
Volume 0 to 99999 cm3, m3, in3, ft3, gal, L, lb, kg, %
Salinity 0 to 100 PPT
Dissolved Oxygen 0 to 50 mg/L, 0 to 200%
Shipping Weights
Base Unit 0.63 kg 1.38 lb
Relay Module 0.19 kg 0.41 lb
Standards and Approvals
CE, UL, CUL, FCC
RoHS Compliant, China RoHS
Manufactured under ISO 9001 and ISO 14001 for Environmental Management and OHSAS 18001 for Occupational Health and Safety

 

Dimension of 3-9950-1, Dual Channel Transmitter

dimension of Signet 9950 Dual Channel Transmitter