What sets the Precision Digital Helios apart from other Large Display Meters is its dual line display with super bright LEDs that can be read even in bright sunlight and up to 100 feet away. Based on Precision Digital’s popular line of ProVu® digital panel meters, the Helios can satisfy a wide variety of level, flow, temperature, pressure, and weight applications. It is available with models that accept 4-20 mA, thermocouple, RTD, pulse, strain gauge, AC and DC volts and current, and even Modbus®.
Go with the Helios PD2-6000 when you need a large display meter to display the 4-20 ma output from any transmitter you might have. The PD2-6000 can display that output in six full digits and provide the 24 VDC to power the transmitter. The PD2-6000’s NEMA 4X, IP65 rated field mountable enclosure, super-bright LEDs, and wide operating temperature range make it perfect for outdoor applications. The PD2-6000 can also be equipped with a 4-20 mA output and four relays that can be used for alarming or control applications, including pump alternation control.
0-20 mA, 4-20 mA, 0-5 V, 1-5 V, and ±10 V
Large 1.80″ Digits
Dual Line Display
Six Full Digits on Each Line
Readable From 100 Feet Away
Superluminous Sunlight Readable Display
NEMA 4X, IP65 Rated Field Mountable Enclosure
Great for Outdoor Use: -40 to 150°F (-40 to 65°C)
Program the Meter from a PC with Onboard USB and MeterView® Pro
Isolated 24 VDC @ 200 mA Transmitter Power Supply
Multi-Pump Alternation Control
Display One Input in Two Different Scales (e.g. Height & Volume)
Signal Input Conditioning for Flow & Round Horizontal Tank
32-Point, Square Root, or Exponential Linearization
Current Input Protected by Resettable Fuse
Note: These specifications apply to the entire product series and may contain information that is not relevant to this particular sku number.
Except where noted all specifications apply to operation at +25°C.
Display: Two lines with 1.8″ (46 mm) high digits, red LEDs; 6 digits per line (-99999 to 999999), with lead zero blanking Display Intensity Eight user selectable intensity levels Display Update Rate: 5/second (200 ms) Overrange: Display flashes 999999 Underrange: Display flashes -99999 Display Assignment: Line 1 and line 2 may be assigned to PV1, PV2, PCT, d r-u, d gross, d nt-g, max/min, max & min, set points, units (line 2 only),or Modbus input. Programming Methods: Four programming buttons, digital inputs, PC and MeterView Pro software, or Modbus registers. Noise Filter: Programmable from 2 to 199 (0 will disable filter) Filter Bypass: Programmable from 0.1 to 99.9% of calibrated span Recalibration: All ranges are calibrated at the factory. Recalibration is recommended at least every 12 months. Max/Min Display: Max/min readings reached by the process are stored until reset by the user or until power to the meter is turned off. Password: Three programmable passwords restrict modification of programmed settings. Pass 1: Allows use of function keys and digital inputs Pass 2: Allows use of function keys, digital inputs and editing set/reset points Pass 3: Restricts all programming, function keys, and digital inputs. Power Options: 85-265 VAC 50/60 Hz, 90-265 VDC, 20 W max or 12-24 VDC ± 10%, 15 W max. Powered over USB for configuration only. Isolated Transmitter Power Supply: Terminals P+ & P-: 24 VDC ± 10%. 12-24 VDC powered skus selectable for 24, 10, or 5 VDC supply (internal P+/P- switch). 85-265 VAC skus rated @ 200 mA max, 12-24 VDC powered skus rated @ 100 mA max, @ 50 mA max for 5 or 10 VDC supply. Non-Volatile Memory: All programmed settings are stored in non-volatile memory for a minimum of ten years if power is lost. Fuse: Required external fuse: UL Recognized, 5 A max, slow blow; up to 6 meters may share one 5 A fuse Normal Mode Rejection: Greater than 60 dB at 50/60 Hz Isolation: 4 kV input/output-to-power line 500 V input-to-output or output-to-P+ supply Overvoltage Category: Installation Overvoltage Category II: Local level with smaller transient overvoltages than Installation Overvoltage Category III. Environmental: Operating temperature range: -40 to 65°C Storage temperature range: -40 to 85°C Relative humidity: 0 to 90% non-condensing Connections: Removable and integrated screw terminal blocks accept 12 to 22 AWG wire. Enclosure: UL Type 4X, IP65 rated. Polycarbonate & glass blended plastic case, color: gray. Includes four PG11 through-hole conduit openings, with two factory installed PG11, IP68, black nylon threaded hole plugs with backing nuts. Wall Mounting: Four (4) mounting holes provided for mounting meter to wall. Pipe Mounting: Optional pipe mounting kit (PDA6260) allows for pipe mounting. Sold separately. See PD2-6000 manual for instructions.Tightening Torque: Removable Screw Terminals: 5 lb-in (0.56 Nm) Digital I/O and RS485 Terminals: 2.2 lb-in (0.25 Nm) Overall Dimensions: 10.63″ x 12.59″ x 4.77″ (270 mm x 319.7 mm x 121.2 mm) (H x W x D) Weight: 6.10 lbs (2.76 kg) UL File Number: UL & C-UL Listed. E160849; 508 Industrial Control Equipment. 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
Inputs: Field selectable 0-20, 4-20 mA, ±10 V (0-5, 1-5, 0-10 V), Modbus PV (Slave) Accuracy: ±0.03% of calibrated span ±1 count, square root & programmable exponent accuracy range: 10-100% of calibrated span Temperature Drift: 0.005% of calibrated span/°C max from 0 to 65°C ambient, 0.01% of calibrated span/°C max from -40 to 0°C ambient Signal Input Conditioning: Linear, square root, programmable exponent, or round horizontal tank volume calculation Multi-Point Linearization: 2 to 32 points for PV or PV1, 2 to 8 points for PV2 (Dual-scale Level feature) Programmable Exponent: 1.0001 to 2.9999 Round H Tank: Diameter & Length: 999.999 inch or cm calculates volume in gallons or liters respectively. Low-Flow Cutoff: 0-999999 (0 disables cutoff function) Decimal Point: Up to five decimal places or none: d.ddddd, d.dddd, d.ddd, d.dd, d.d, or dddddd Calibration Range: Input Range Minimum Span Input 1 & Input 2 4-20 mA 0.15 mA ±10 V 0.01 V An error message will appear if the input 1 and input 2 signals are too close together. Input Impedance: Voltage ranges: greater than 500 kΩ Current ranges: 50 – 100 Ω (depending on resettable fuse impedance) Input Overload: Current input protected by resettable fuse, 30 VDC max. Fuse resets automatically after fault is removed. 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 HART Transparency: Analog input will not interfere with existing HART communications on the wired 4-20 mA signal
Rating: 4 SPDT (Form C) internal rated 3 A @ 30 VDC and 125/250 VAC resistive load; 1/14 HP (≈ 50 W) @ 125/250 VAC for inductive loads 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 (turn off). Relay Operation: Automatic (non-latching) and/or manual reset; Latching (requires manual acknowledge) with/without clear; Pump alternation control (2 to 4 relays); Sampling (based on time); Off (disable unused relays and enable Interlock feature); Manual on/off control mode Relay Reset: User selectable via front panel buttons or digital inputs
Automatic reset only (non-latching), when the input passes the reset point.
Automatic + manual reset at any time (non-latching)
Manual reset only, at any time (latching)
Manual reset only after alarm condition has cleared (latching)
Note: Front panel button or digital input may be assigned to acknowledge relays programmed for manual reset. 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: Process variable (PV), max, min, set points 1-4, Modbus input, or manual control mode Scaling Range: 1.000 to 23.000 mA for any display range Calibration Factory calibrated: 4.000 to 20.000 = 4-20 mA output Analog Out Programming: 23.000 mA maximum for all parameters: Overrange, underrange, max, min, and break 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 skus rated @ 40 mA max. Output Loop Resistance:
35 VDC (external)
RS485 Serial Communications Terminal
Compatibility: 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)
Modbus® RTU Serial Communications Protocol
Slave: ID 1 – 247 (Meter address) Baud Rate: 300 – 19,200 bps Transmit Time Delay: Programmable between 0 and 199 ms 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 second Turn Around Delay: Less than 2 ms (fixed) Note: Refer to the Modbus Register Tables located at www.predig.com for details.
Digital Input & Output Terminal
Channels: 4 digital inputs & 4 digital outputs Digital Input Logic High: 3 to 5 VDC Digital Input Logic Low: 0 to 1.25 VDC Digital Output Logic High: 3.1 to 3.3 VDC Digital Output Logic Low: 0 to 0.4 VDC 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 to power external devices.
The meter can be mounted to any wall using the four provided mounting holes. Note that the bottom mounting holes are located underneath the front door panel. To mount the meter to a wall, follow these instructions.
Prepare a section of wall approximately 11″ x 13″ (280 mm x 330 mm) for meter mounting by marking with a pencil the mounting holes (shown in the image to the right) on the wall.
Using a drill bit slightly smaller than the girth of the mounting screws, pre-drill holes at the mounting locations previously marked.
Insert mounting screws into the four mounting holes and screw them into the pre-drilled holes. Do not overtighten the mounting screws as it is possible that the enclosure could crack and become damaged.
Meter Mounting Holes
The meter can also be mounted to a pipe using the optional pipe mounting kit (PDA6260). This kit includes two mounting plates, two U-bolts, and the necessary nuts and bolts. To mount the meter to a pipe using the pipe mounting kit accessory, follow these instructions.
Secure the mounting plates to the top and bottom (for vertical pipes) or left and right (for horizontal pipes) of the reverse side of the meter enclosure using the provided fasteners. Do not overtighten the fasteners as it could cause damage to the enclosure.
Using the provided nuts and U-bolts, secure the mounting plates to the pipe enough torque such that the meter cannot be moved up or down (or side to side).
Horizontal Pipe Mount Assembly
Vertical Pipe Mount Assembly
Signal Input Conditioning
Non-linear input signals can be linearized with the Helios’ simple to use round horizontal tank linearizer or the Helios’ powerful general purpose linearizer.
Weir Flow Calculated Using Exponential Math Function
Round Horizontal Tank Signal Input Conditioner
For pump control applications where 2 or more similar pumps are used to control the level of a tank or a well, it is desirable to have the pumps operate alternately; this prevents excessive wear and overheating of one pump over the lack of use of the others. The Helios can accommodate up to 8 pumps. In the example below, a pair of relays have been set up to alternate every time an on/off pump cycle is completed. Another pair of relays is used for low and high alarms.
The connectors’ label, affixed to the inside of the lower door panel, shows the location of all connectors available with requested configuration.
MeterView® Pro Software
MeterView® Pro software is designed for use with ProVu, ProtEX-MAX, or Helios Series meters and allows users to remotely program, monitor, and datalog using a PC. Remote programming allows for all available meter settings to be programmed through an easy, user-friendly interface. The data acquisition feature allows the user to gather readings from a meter at user-selected intervals and generate charts using common tools like Microsoft® Excel. A linearization setup function is also included. With this utility, the user can configure up to 32 linearization points and upload them to the meter. All configuration data can be saved to a file for future use. This software is accessible via the onboard USB connection on all Helios large display meters, ProVu panel meters, and ProVu-based ProtEX-MAX explosion-proof meters produced since 6 September 2016 (firmware version 4.0 or higher). In order for meters produced prior to 6 September 2016 (firmware version 3.1 or lower) to establish digital communications with a PC, a serial communications adapter is required. For an RS-232 connection, use a PDA1232 adapter. To determine the software version of a meter:
Go to the Diagnostics menu () and press Enter button.
Press Up arrow button and scroll to Information menu (Info).
Press Enter to access the software number (), version (), and serial number () information. Write down the information as it is displayed. Continue pressing Enter until all the information is displayed.
The meter returns to Run Mode after displaying all the settings.