General |
Input Channels | Two frequency or S3L inputs |
Enclosure and Display |
Case Material | PBT |
Window | Shatter-resistant glass |
Keypad | 4 buttons, injection-molded silicone rubber seal |
Display | Dot matrix, LCD |
Indicators | Two horizontal digital bar graphs, four LED relay status indicators |
Update Rate | 1 s |
LCD Contrast | 5 settings |
Size | ¼ DIN |
Mounting |
Panel | ¼ DIN, ribbed on four sides for panel mounting clip inside panel, silicon gasket included |
Wall | Wall Mount enclosure (sold as an accessory) |
Terminal Blocks |
Pluggable Screw Type | Use minimum 105 °C rated wire |
Torque Ratings |
| Power/Loop | 0.49 Nm (4.4 lb-in.) |
Freq/S3L | 0.49 Nm (4.4 lb-in.) |
Relay Module | 0.49 Nm (4.4 lb-in.) |
Connector Wire Gauge |
| Power, Loop | 12 to 28 AWG |
Freq/S3L | 16 to 28 AWG |
Relay Module Connector Wire Gauge |
| Relay | 12 to 28 AWG |
Environmental |
Ambient Operating Temperature |
DC Power | -10 °C to 70 °C | 14 °F to 158 °F |
AC Power | -10 °C to 60 °C | 14 °F to 140 °F |
Storage Temp | -15 °C to 70 °C | 5 °F to 158 °F |
Relative Humidity | 0 to 100% condensing for (front only); 0 to 95% non-condensing (rear panel) |
Maximum Altitude | 4,000 m (13,123 ft) |
Enclosure Rating | NEMA 4X/IP65 (front face only) |
Performance Specifications |
System Accuracy | Primarily dependent upon the sensor |
System Response | Primarily dependent upon the sensor. Controller adds a maximum of 150 ms processing delay to the sensor electronics. |
Minimum update period is 100 ms |
System response is tempered by the display rate, output averaging and sensitivity feature |
Electrical Requirements |
Power to Sensors | |
Voltage | +4.9 to 5.5 VDC @ 25 °C, regulated |
Current | 30 mA Maximum |
Short Circuit | Protected |
Isolation | Low voltage (< 48 V AC/DC) |
Power Requirements |
DC (3-9950-1, 3-9950-2) | 24 VDC nominal (12 to 32 VDC, ±10% regulated), UL 60950-1 or UL 61010-1 Power Supply rated for operation at 4000 m altitude |
AC (3-9950-2) | 100 to 240 VAC, 50 to 60 Hz, 24 VA |
Maximum current | 200 mA (without optional relay module)* |
| 500 mA (with optional relay module)* |
*The current draw of the other modules and the sensors are minimal |
Current Loop | 12 to 32 VDC, ±10% regulated, 4 to 20 mA (30 mA max.) |
Overvoltage protection | 48 Volt Transient Protection Device (for DC ONLY) |
Current limiting for circuit protection |
Reverse-Voltage protection |
Input Types |
Digital (S3L) or AC frequency |
4 to 20 mA input via the 8058 iGo Signal Converter |
Open collector |
pH/ORP input via the Digital (S3L) output from the 2750 pH/ORP Sensor Electronics or 2751 Smart pH/ORP Sensor Electronics |
Conductivity/Resistivity via the Digital (S3L) output from the 2850 Conductivity/Resistivity Sensor Electronics |
Sensor Types | Flow, pH/ORP, Conductivity/Resistivity, Pressure, Temperature, Level/Volume, Salinity, Dissolved Oxygen, Other (4 to 20 mA) |
Sensor Input Specifications |
Digital (S3L) | Serial ASCII, TTL level, 9600 bps |
Frequency Flow Sensors | 0.5 to 1500 Hz |
Sensitivity (for coil type sensors) | 80 mV @ 5 Hz, gradually increasing with frequency to 2.5 V |
Freq. Range (for square wave type sensors) | 0.5 Hz to 1500 Hz @ TTL level input or open collector |
K-Factor Range | 0.0001 to 9999999 |
Accuracy | ± 0.5% of reading max error @ 25 °C |
Resolution | 1 μs |
Repeatability | ± 0.2% of reading |
Power Supply |
Rejection | No Effect ± 1 μA per volt |
Short Circuit | Protected |
Reverse Polarity | Protected |
Update Rate | (1/frequency) + 100 ms |
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”) | 1.5 VDC |
Minimum Input Voltage for signal “On” (high or “1”) | 3.0 VDC |
Maximum Current Draw for Signal “0” (low) | ≤ 500 μA DC |
Minimum Current Draw for Signal “1” (high) | 500 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 | 12 to 32 VDC, ±10% regulated, UL 60950-1 or UL 61010-1 Power Supply rated for operation at 4000 m altitude |
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 |
Actual Update Rate Determined by Sensor Type |
Short Circuit and Reverse Polarity Protected |
Adjustable Span, Reversible |
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 |
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 | 0 to 300 pulses/minute |
Proportional Pulse | 0 to 300 pulses/minute |
Volumetric Pulse Width | 0.1 to 3200 s |
PWM Period | 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 |