General
Display: Upper display: 0.60" (15 mm) high. Lower display: 0.46" (12 mm) high. Both are 6 digits (-99999 to 999999), red LEDs.
Resolution: 1° (up to four digits) or 0.1° (up to five digits)
Display Intensity: Eight intensity levels
Display Update Rate: 5/second (200 ms)
Programming Methods: Four through-glass SafeTouch buttons, four mechanical buttons behind glass, digital inputs, PC and MeterView Pro software, or Modbus registers.
F4 Digital Input Contacts: 3.3 VDC on contact. Connect normally open contacts across F4 to COM.
F4 Digital Input Logic Levels: Logic High: 3 to 5 VDC; Logic Low: 0 to 1.25 VDC
Noise filter: Programmable from 2 to 199 (0 will disable filter)
Filter Bypass: Programmable from 0.1 to 99.9% of span
Recalibration: Recommended at least every 12 months.
Max/Min Display: Max / min temperature readings are stored until reset by the user or until power to the meter is cycled.
Non-Volatile Memory: All programmed settings are stored in nonvolatile memory for a minimum of ten years if power is lost.
Power Options: 85-265 VAC 50/60 Hz, 90-265 VDC, 20 W max, or optional model with 12-24 VDC ±10%, 15 W max.
Normal Mode Rejection: Greater than 65 dB at 50/60 Hz
Isolation: 4 kV input/output-to-power line. 500 V input-to-output
Environmental:
T6 Class operating temperature range Ta = -40 to 60°C
T5 Class operating temperature range Ta = -40 to 65°C
Max Power Dissipation: Maximum power dissipation limited to 15.1 W.
Connections: Removable screw terminal blocks accept 12 to 22 AWG wire, RJ45 for external relays, digital I/O, and serial communication adapters.
Mounting: Four slotted flanges for wall mounting or NPS 1½" to 2½" or DN 40 to 65 mm pipe mounting
Dimensions: 6.42" x 7.97" x 8.47" (W x H x D) (163 mm x 202 mm x 215 mm)
Weight: 16.0 lbs (7.26 kg)
Warranty: 3 years parts & labor
USB Connection: Compatibility: USB 2.0 Standard, Compliant
Connector Type: Micro-B receptacle
Cable: USB A Male to Micro-B Cable
Driver: Windows 98/SE, ME, 2000, Server 2003/2008, XP 32/64-Bit,
Vista 32/64-Bit, Windows 7 32/64-Bit, Windows 10 32/64-Bit
Power: USB Port
Temperature Input
Inputs: Thermocouple J, K, T, E, R, S, B, N, C; RTD 100 Ω platinum (0.00385 & 0.00392 curves), 10 Ω copper, 120 Ω nickel, 1000 Ω platinum
Input Impedance: Greater than 100 k Ω
Offset Adjust: User programmable offset adjust ±50.0 degrees
Temperature Drift: ±2°C maximum from 0 to 65°C ambient temperature; ±4°C maximum from -20 to 0°C ambient temperature
Sensor Break: Display flashes "Open", relays can be programmed to go "On", "Off", or to "Ignore" (detected as an upscale condition).
Averaging: Up to 10 RTDs connected in parallel can be averaged.
Accuracy & Range:
| Type | Range (°F) | Range (°C) | Accuracy |
| J | -200 to 2000 | -129 to 1093 | ±1°C |
| K | -200 to 2400 | -129 to 1316 | ±1°C |
| T | -200 to 752 | -129 to 400 | ±1°C |
| E | -200 to 1800 | -129 to 982 | ±1°C |
| R | -50 to 3000 | -46 to 1649 | ±2°C |
| S | -50 to 3000 | -46 to 1649 | ±2°C |
| B | 752 to 3300 | 400 to 1816 | ±2°C |
| N | -100 to 2300 | -73 to 1260 | ±2°C |
| C | 32 to 4100 | 0 to 2260 | ±2°C |
| 10 Ω | -328 to 500 | -200 to 260 | ±0.1°C |
| 100 Ω | -328 to 1562 | -200 to 850 | ±0.4°C |
| 120 Ω | -110 to 500 | -79 to 260 | ±0.1°C |
| 1000 Ω | -328 to 900 | -200 to 482 | ±0.4°C |
Relays
Rating: 4 SPDT (Form C) internal and/or 4 SPST (Form A) external; rated 3 A @ 30 VDC and 125/250 VAC resistive load; 1/14 HP (≈ 50 watts) @ 125/250 VAC for inductive loads such as contactors, solenoids, etc.
Noise Suppression: Noise suppression is recommended for each relay contact switching inductive loads.
Deadband: 0-100% of span, user programmable
High or Low Alarm: User may program any alarm for high or low trip point. Unused alarm LEDs and relays may be disabled (turned off).
Relay Operation: automatic (non-latching), latching (requires manual acknowledge), sampling (based on time), pump alternation control (2 to 8 relays), Off (disable unused relays and enable interlock feature, manual on/off control mode).
Time Delay: 0 to 999.9 seconds, on & off relay time delays. Programmable and independent for each relay.
Fail-Safe Operation: Programmable and independent for each relay.
Note: Relay coil is energized in non-alarm condition. In case of power failure, relay will go to alarm state.
Auto Initialization: When power is applied to the meter, relays will reflect the state of the input to the meter.
Isolated 4-20 mA Transmitter Output
Output Source: PV (temperature), max, min, set points 1-8, manual control setting, or Modbus input
Scaling Range: 1.000 to 23.000 mA for any display range
Calibration: Factory calibrated 4-20 mA output
Accuracy: ±0.1% of span ± 0.004 mA
Temperature Drift: 0.4 µA/°C max from 0 to 65°C ambient, 0.8 µA/°C max from -40 to 0°C ambient
Note: Analog output drift is separate from input drift.
Isolated Transmitter Power Supply: Terminals I+ & R: 24 VDC ± 10%. Isolated from the input at >500 V. May be used to power the 4-20 mA output or other devices. All models @ 25 mA max.
External Loop Power Supply: 35 VDC maximum
Output Loop Resistance:
| Power supply | Minimum | Maximum |
| 24 VDC | 100 Ω | 7000 Ω |
| 35 VDC (external) | 100 Ω | 1200 Ω |
Serial Communications
Compatability: EIA-485
Connectors: Removable screw terminal connector
Max Distance: 3,937' (1,200 m) max
Status Indication: Separate LEDs for Power (P), Transmit (TX), and Receive (RX)
Protocol: Modbus® RTU
Meter Address/Slave ID: 1 - 247
Baud Rate: 300 - 19,200 bps
Transmit Time Delay: Programmable between 0 and 199 ms or transmitter always on for RS-422 communication
Data: 8 bit (1 start bit, 1 or 2 stop bits)
Parity: Even, odd, or none with 1 or 2 stop bits
Byte-to-Byte Timeout: 0.01 - 2.54 seconds
Turn Around Delay: Less than 2 ms (fixed)
Digital Inputs and Outputs
Channels: 4 digital inputs & 4 digital outputs per module
System: One expansion module may be added for a total of 8 inputs & 8 outputs
Note: The jumper located between the RJ45 connectors must be removed on the expansion module.
Digital Input Logic: High: 3 to 5 VDC; Low: 0 to 1.25 VDC
Digital Output Logic: High: 3.1 to 3.3 VDC; Low: 0 to 0.4 VD
Source Current: 10 mA maximum output current
Sink Current: 1.5 mA minimum input current
+5 V Terminal: To be used as pull-up for digital inputs only. Connect normally open pushbuttons across +5 V & DI 1-4. Warning: DO NOT use +5 V terminal (pin 1) to power external devices.
Function Assignment: The on-board digital inputs (1-4) are designed to mimic the behavior of the front panel buttons (Menu, F1, F2, & F3). If you wish to change their behavior, re-assign F1-F3 to the desired function, then change the corresponding digital input to match.
4-Relay Expansion Module
Relays: Four Form A (SPST) rated 3 A @ 30 VDC and 125/250 VAC resistive load; 1/14 HP (approx. 50 watts) @ 125/250 VAC for inductive loads.
Enclosure
| Material | -AL Models: ASTM A413 LM6 die-cast aluminum, copper-free, enamel coated
-SS Models: ASTM A743 CF8M investment-cast 316 stainless steel |
| Gasket | Fluoroelastomer |
| Rating | NEMA 4X, IP68 Explosion-proof |
| Color | -AL: Blue
-SS: Silver |
| Window | Borosilicate glass |
| Conduits | Four ¾" NPT threaded conduit openings |
| Conduit Stopping Plugs | Sold separately |
| Flanges | Two built-in flanges for wall and pipe mounting. |
| Tamper-Proof Seal | Cover may be secured with tamper-proof seal. |
| Overall Dimensions | 6.42" x 7.97" x 8.47" (W x H x D)
(163 mm x 202 mm x 215 mm) |
| Weight | AL: 14.7 lbs (6.67 kg)
SS: 23.5 lbs (10.66 kg) |
| ATEX | Flameproof
 II 2GD
Ex db IIC Gb
Ex tb IIIC Db
IP66/IP68
Tamb: -55°C to +85°C
Certificate No.: Sira 19ATEX1252U |
| IECEx | Flameproof and dust protection
Ex db IIC Gb
Ex tb IIIC Db
IP66/IP68
Tamb: -55°C to +85°C
Certificate No.: IECEx SIR 19.0075U |
| CSA | Class I, Division 1, Groups A, B, C, D
Class II, Division 1, Group E, F, G
Class III
Ex db IIC Gb
Ex tb IIIC Db
Class I, Zone 1, AEx db IIC Gb
Zone 21, AEx tb IIIC Db
IP66/IP68/TYPE 4X
Tamb: -55°C to +85°C
Certificate No.: 80011200 |
| UL | Class I, Division 1, Groups A, B, C, D
Class II, Division 1, Groups E, F, G
Class III
Class I, Zone 1, AEx db IIC Gb
Zone 21, AEx tb IIIC
Ex db IIC Gb
Ex tb IIIC Db
IP66/IP68/TYPE 4X
Tamb: -55°C to +85°C
Certificate Number: E518920 |
| Note: The above approvals are for the enclosure only. See below for approvals on the entire instrument. |
General Compliance Information
Electromagnetic Compatibility
| Emissions | EN 55022
Class A ITE emissions requirements |
| Radiated Emissions | Class A |
| AC Mains Conducted Emissions | Class A |
| Immunity | EN 61326-1
Measurement, control, and laboratory equipment
EN 61000-6-2
EMC heavy industrial generic immunity standard |
| RFI - Amplitude Modulated | 80 -1000 MHz 10 V/m 80% AM (1 kHz)
1.4 - 2.0 GHz 3 V/m 80% AM (1 kHz)
2.0 - 2.7 GHz 1 V/m 80% AM (1 kHz) |
| Electrical Fast Transients | ±2kV AC mains, ±1kV other |
| Electrostatic Discharge | ±4kV contact, ±8kV air |
| RFI - Conducted | 10V, 0.15-80 MHz, 1kHz 80% AM |
| AC Surge | ±2kV Common, ±1kV Differential |
| Surge | 1KV (CM) |
| Power-Frequency Magnetic Field | 30 A/m 70%V for 0.5 period |
| Voltage Dips | 40%V for 5 & 50 periods
70%V for 25 periods |
| Voltage
Interruptions | <5%V for 250 periods |
| Note: Testing was conducted on meters with cable shields grounded
at the point of entry representing installations designed to optimize
EMC performance. |
Product Ratings and Approvals
CSA: Class I, Division 1, Groups B, C, D
Class II, Division 1, Groups E, F, G
Class III, Division 1
Class I Zone 1 Ex db IIC
Zone 21 Ex tb IIIC T90°C
-55°C < Tamb. < +60° C; Temperature Code T6
-55°C < Tamb. < +65° C; Temperature Code T5
Enclosure Type 4X & IP66 / IP68
Certificate Number: 2531731
