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1-8 DIN Economical Digital Meters for Temperature- Process or Electrical Measurement
DP18 Series
PLACE ORDER - Modular Design
- Options for Alarms, Analog Output of Communications
- 3 1/2-Digit LED Available in Red or Green Displays
- Removable Screw-Clamp Cable Connector
Description
Description
The DP18 series offers a modular design for easy selection and installation of options and inputs. Fieldinstallable signal conditioner cards provide the large user or OEM the ability to stock options and spare signalconditioner cards for conversion of input type, meter function or repair. For customers who require the flexibility toadd options to the meter as requirements become more demanding, the DP18’s field-installable analogoutputs, relays and communications offer an economical solution.
The DP18 series is a complete family of panel meters with input cards for voltage, process and temperaturemeasurement and control. The signal conditioners for voltage will measure ac or dc voltages or true RMS. Signalconditioners for process inputs accept low level voltage or current which can be scaled for engineeringunits. Temperature meters will provide accurate measurement of thermocouples or RTD’s. Other inputsinclude differential process, load cells or potentiometers. Combined with trodeks’s wide selection oftransducers, the DP18 series is the single solution for process measurement.
| Base Model | Input | Base Model | Input |
| DP18-P | Process signal | DP18-RV | ac RMS current |
| DP18-DV | dc voltage | DP18-RT | ac RMS current (external CT) |
| DP18-DC | dc current | DP18-J | Type J thermocouple |
| DP18-DS | dc current (external shunt) | DP18-K | Type K thermocouple |
| DP18-AV | ac voltage | DP18-T | Type T thermocouple |
| DP18-AC | ac current | DP18-E | Type E thermocouple |
| DP18-AT | ac current (external CT) | DP18-R | Type R thermocouple |
| DP18-RV | ac RMS voltage | DP18-S | Type S thermocouple |
| DP18-L | Load cell (strain gage) | DP18-M | RTD |
| DP18-Q | Ohmmeter | | |
Thermocouple Inputs
| Model No. | Range | Resolution | Accuracy | Signal
Cond. |
| DP18-JC | -50 to 600°C | 1°C | ±0.5% rdg ±1 count | BD18-22 |
| DP18-KC | 0 to 1250°C | 1°C | BD18-23 |
| DP18-TC | -50 to 400°C | 1°C | BD18-24 |
| DP18-EC | 0 to 650°C | 1°C | ±0.2% rdg ±1 count | BD18-25 |
| DP18-SC | 0 to 1750°C | 1°C | ±1.5% rdg ±1 count (0 to 260°C)
±0.5% rdg ±1 count (260 to 970°C)
±0.1% rdg ±1 count (970 to 1750°C) | BD18-26 |
| DP18-RC | 250 to 1750 °C | 1°C | ±2% rdg ±1 count (250 to 500°C)
±0.5% rdg ±1 count (500 to 1000°C)
±0.2% rdg ±1 count (1000 to 1750°C) | BD18-27 |
RTD (Pt100; Alpha = 0.00385; 2- or 3-wire) Inputs
| Model No. | Range | Resolution | Accuracy | Signal
Cond. |
| DP18-M1C | -200 to 650°C | 1°C | 1°C ±1 count | BD18-20C |
| DP18-M1F | -200 to 400°F | 1°F | 1°F ±1 count | BD18-20F |
| DP18-M2 | -150.0 to 199.9°C | 0.1°C | 0.4°C ±1 count | BD18-21 |
Process Signal Inputs
| Model No. | Range | Input
Impedance | Excitation | Accuracy | Signal
Cond. |
| DP18-P1 | 0 to 1 V | 1.1 MΩ | 10 to 24 Vdc,
50 mA max | ±0.15% rdg
±1 count | BD18-32 |
| DP18-P2 | 0 to 5 V/1 to 5 V | 1.1 MΩ |
| DP18-P3 | 0 to 1 mA | 100 Ω |
| DP18-P4 | 0 to 5 mA/1 to 5 mA | 100 Ω |
| DP18-P5 | 0 to 20 mA/4 to 20 mA | 24.9 Ω |
| DP18-P6 | 0 to 50 mA/10 to 50 mA | 10 Ω |
| DP18-P7 | 0 to 20/0 to 200 Vdc | 1 MΩ | BD18-36/A |
Potentiometer (Potentiometric Transducers)*
| Model No. | Input | Excitation | Accuracy | Signal
Cond. |
| DP18-P8 | 3-Wire Pot. | 5 Vdc @50 mA max. | ±0.15% rdg
±1 count | BD18-90 |
Differential Process*
| Model No. | Range | Accuracy | Signal
Cond. |
| DP18-P9 | 0 to 20 mA | ±0.15% rdg
±1 count | BD18-35 |
*All process input meters are fully scalable from –1999 to +1999 with selectable decimal point and zero and span adjustments
Strain Gage/Load Cell
| Model No. | Load Cell
Impedance | Input
Impedance | Resolution | Sensitivity | Accuracy | Excitation | Signal
Cond. |
| DP18-L1 | 350 Ω | 20 MΩ | 5 µV/ct | 10 mV | 0.15% rdg
±1 count | 10 to 24 Vdc @
50 mA max. | BD18-80 |
DC Voltage Inputs
| Model No. | Range | Input
Impedance | Resolution | Accuracy | Signal Cond. |
| DP18-DV1 | 199.9 mV dc | 100 MΩ | 0.1 mV | 0.05%
of reading
±1 count | BD18-02 |
| DP18-DV2 | 1.999 Vdc | 1000 MΩ | 1.0 mV | BD18-01 |
| DP18-DV3 | 19.99 Vdc | 1 MΩ | 10 mV |
| DP18-DV4 | 199.9 V | 1 MΩ | 100 mV |
| DP18-DV5 | 600 Vdc | 1 MΩ | 1 V |
| DP18-DV6 | to 2/0 to 10/0 to 100
/0 to 600 Vdc* | 1 MΩ | ±1 counts | BD18-11 |
| DP18-DV7 | <2 Vdc* | 10 MΩ | ±2 counts | 0.15% ±1 count | BD18-12 |
*Fully scalable from –1999 to +1999, selectable decimal point, zero and span adjustments
DC Current Inputs
| Model No. | Range | Input
Impedance | Resolution | Accuracy | Signal Cond. |
| DP18-DC1 | 1.999 mA | 150 Ω | 1 µA | 0.05% rdg
±1 count | BD18-10 |
| DP18-DC2 | 19.99 mA | 15 Ω | 10 µA |
| DP18-DC3 | 199.9 mA | 1.5 Ω | 100 µA |
| DP18-DC4 | 1999 mA | 0.15 Ω | 1 mA |
DC Current Inputs for Use with External Shunt
| Model No. | Range (Amps dc) | Input
Impedance | Resolution | Accuracy | Signal Cond. |
| DP18-DS | 10/20/40/60/80
100/150/200
250/400/600/ 800
1000/1500/2000 | 20 MΩ | 1 count | 0.2% rdg
±1 count | BD18-03 |
Note: Requires external shunt of 60, 100 or 150 mV; range is jumper selected. To order dc shunts, see Accessories Table
MOST POPULAR MODELS
| Model No. | Description |
| THERMOCOUPLE INPUT |
| DP18-KC-AO1 | Type K thermocouple with 4 to 20 analog output |
| DP18-JC-R2 | Type J thermocouple with dual setpoints |
| RTD INPUT |
| DP18-M1C-AO1 | RTD input, 1° resolution with 4 to 20 mA analog output, °C |
| DP18-M1F-R2 | RTD input, 1° resolution with dual setpoint, °F |
| PROCESS INPUT |
| DP18-P5-AO1 | Process input range 4 to 20 mA with 4 to 20 mA analog output |
| DP18-P5-R2 | Process input range 4 to 20 mA with dual setpoints |
| DC VOLTAGE INPUT |
| DP18-DV1-AO1 | dc voltage range 199.9 mV with 4 to 20 analog output |
| DP18-DV4-R2 | dc voltage range 199.9 Vdc with dual setpoints |
| DC CURRENT INPUT |
| DP18-DC1-AO1 | dc current range 1.999 mA with 4 to 20 analog output |
| DP18-DC1-R2 | dc current range 1.999 mA with dual setpoints |
Options for All Models
Power Options
| Order Suffix | Description |
| -220 | 220 Vac |
| -24 | 24 Vac |
| -48 | 48 Vac |
| -12VDC | 12 Vdc isolated |
| -15/30VDC | 15-30 Vdc isolated |
| -24/65VDC | 24-65 Vdc isolated |
Note: Standard power is 110 Vac
Analog Output Options*
| Order Suffix | Description |
| -AO1 | Milliamp sink 0 to 20 mA max. |
| -AO2 | Milliamp source 0 to 20 mA max. |
| -AO3 | Voltage 0 to 10 Vdc max. |
| -APH2 | Analog peak hold |
Control Output/Communications Options*
| Order Suffix | Description |
| -R1 | Single setpoint |
| -R2 | Dual setpoint |
| -APH1 | Analog peak hold |
*A maximum of one analog output option and one controloutput/communications option can be specified per meter
Display Options
| Order Suffix | Description |
| -GR | Green display |
| -DN | Display hold |
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