LPI Series of Transmitters by Intech Instruments.
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LPI-B - 2 Wire Bridge Isolated Transmitter
LPI-CT-X - AC Current Transmitter
LPI-D - DC Isolated Transmitter
LPI-F - Frequency Isolated Transmitter
LPI-P - Potentiomenter Isolated Transmitter
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LPI-pH - pH Transmitter
LPI-R - RTD Isolated Transmitter
LPI-T - Thermocouple Isolated Transmitter
INCTT - Split Core Current Transmitters & Switch
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LPI-B 2 Wire Bridge Isolated Transmitter
- Field Programmable Bi-Polar Input Ranges
- Isolated Input to Output 2.0kVDC
- High Accuracy
- 40~200mV Output Test Signal
- LED Indication of Loop Current
- Selectable 3 Second Input Damping
- Low Cost
- Easy to Install
- Compact DIN Rail Mount Enclosure
- Available Standard or Special Calibration
- Reverse Polarity Protection
Ordering Information
LPI-B | -X | Standard 0-20mV Input; Programmable Input Range Calibration | |
LPI-B |
-IR
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-Special Range | Special Programmable Input Range Calibration |
Example Order Code:
Input Range | Order Code |
0 - 3V | LPI-B-3-Special Range |
50 - 80mV | LPI-B-32-Special Range |
Input Ranges
mV | IR | mV | IR | mV | IR | mV | IR |
0 - 1mV | 1 | 0 - 20mV | 11 | 0 - 200mV | 21 | 30 - 60mV | 31 |
0 - 2mV | 2 | 0 - 25mV | 12 | 0 - 500mV | 22 | 50 - 80mV | 32 |
0 - 3V | 3 | 0 - 30mV | 13 | 0 - 750mV | 23 | 100 - 200mV | 33 |
0 - 4V | 4 | 0 - 35mV | 14 | 0 - 1000mV | 24 | -2 - 4mV | 34 |
0 - 5mV | 5 | 0 - 40mV | 15 | 2 - 6mV | 25 | -4 - 6mV | 35 |
0 - 6mV | 6 | 0 - 50mV | 16 | 5 - 10mV | 26 | -5 - 7mV | 36 |
0 - 8mV | 7 | 0 - 60mV | 17 | 15 - 20mV | 27 | -10 - 20mV | 37 |
0 - 10mV | 8 | 0 - 75mV | 18 | 30 - 35mV | 28 | -50 - 70mV | 38 |
0 - 12mV | 9 | 0 - 80mV | 19 | 30 - 40mV | 29 | -100 - 300mV | 39 |
0 - 15mV | 10 | 0 - 100mV | 20 | 30 - 45mV | 30 | 200 - 800mV | 40 |
Special Input Range | Z |
LPI-CT-X AC Current Transmitter |
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Ordering Information
Enclosure | Input Range | ||
LPI-CT- | X | -1 | Standard 0-207mV Input; Programmable Input Range Calibration |
LPI-CT-1 | See Tab | -5 | Special Programmable Input Range Calibration |
LPI-CT-1 | See Tab | See Tab | Special Calibration |
Example Order Codes
LPI - CT- Enclosure type - Input Range
LPI-CT-x2-1
Enclosure [EN] |
Input Current Range [Aac] |
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x1 | DIN Rail Mount: 1Tx, L=100 x 22.3 x 100mm | 1 | 0 - 1aac |
x2 | DIN Rail Mount: 2Tx, L=100 x 22.3 x 100mm | 5 | 0 - 5aac |
specify | Specify within 0-5Aac Range |
Note: For LPI-CT-X2 BOTH transmitters are supplied with the same range.
LPI-D DC Transmitter |
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The Intech PI-B Programmable Isolating Bridge Transmitter is field programmable with Bi-polar input and output ranges.Very Low Pressure Resolution.
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Ordering Information
LPI-F | -X | Standard 0-20mV Input; Programmable Input Range Calibration | |
LPI- |
-1
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-Special Range | Special Fixed Input Range Calibration |
IR | |||
LPI- | -X | Standard 0-20mV Input; Programmable Input Range Calibration | |
LPI-P | -1 | -Special Range | Special Programmable Input Range Calibration |
IR |
Input Ranges
mV | IR | mV | IR | mV | IR | mV | IR |
0 - 10mV | A | 0 - 200A | 1 | 0 - 50V | L | 4 - 20mA | 12 |
0 - 20mV | B | 0 - 500A | 2 | 0 - 100V | M | 10 - 50mA | 13 |
0 - 50mV | C | 0 - 1mA | 3 | 0 - 100V | N | -1 - 1mA | 14 |
0 - 100mV | D | 0 - 2mA | 4 | 0 - 150V | O | -10 - 10mA | 15 |
0 - 200mV | E | 0 - 5mA | 5 | 1 - 2V | P | -20 - 20mA | 16 |
0 - 500mV | F | 0 - 10mA | 6 | 1 - 5V | Q | 20 - 4mA* | 17 |
0 - 1V | G | 0 - 20mA | 7 | 2 - 10V | R | 50 - 10mA* | 18 |
0 - 2V | H | 0 - 40mA | 8 | -1 - 1V | S | ||
0 - 4V | I | 0 - 50mA | 9 | -5 - 5V | T | ||
0 - 5V | J | 1 - 5mA | 10 | -10 - 10V | U | ||
0 - 10V | K | 2 - 10mA | 11 | Special Input Range | Z |
* must have polarity of their connections reversed
LPI-F Frequency Isolated Transmitter |
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LPI-FD LPI-F-E |
Ordering Information
LPI-F | -X | Standard 0-100Hz Input; Programmable Input Range Calibration, DIN Rail Enclosure | |
LPI-F |
-1
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-1 | Special Programmable Input Range Calibration |
EN | IR |
Enclosure Options | Input Ranges | ||||
Enclosure | EN | Frequency | IR | Frequency | IR |
DIN Rail Mount | D | 0 - 15Hz | 1 | 0 - 500Hz | 12 |
IP 67 Wall Mount Water Resistant | E | 0 - 20Hz | 2 | 0 - 750Hz | 13 |
0 - 25Hz | 3 | 0 - 1kHz | 14 | ||
0 - 40Hz | 4 | 0 - 1.5kHz | 15 | ||
0 - 50Hz | 5 | 0 - 2kHz | 16 | ||
0 - 75Hz | 6 | 0 - 2.5kHz | 17 | ||
0 - 100Hz | 7 | 0 - 4kHz | 18 | ||
0 - 150Hz | 8 | 0 - 5kHz | 19 | ||
0 - 200Hz | 9 | 0 - 7.5kHz | 20 | ||
0 - 250Hz | 10 | 0 - 10kHz | 21 | ||
0 - 400Hz | 11 |
LPI-P Potentiomenter Isolated Transmitter |
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Ordering Information
LPI-P | -X | Standard 0-20mV Input; Programmable Input Range Calibration | |
LPI-P |
-1
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Special Programmable Input Range Calibration | |
IR | -Special Range |
Input Range
Input Range [% of Potentiometer] | |||
%POT | IR | % POT | IR |
0 - 10% | 1 | 20 - 40% | 16 |
0 - 15% | 2 | 40 - 60% | 17 |
0 - 20% | 3 | 60 - 80% | 18 |
0 - 25% | 4 | 80 - 100% | 19 |
0 - 30% | 5 | 25 - 50% | 20 |
0 - 33% | 6 | 50 - 75% | 21 |
0 - 40% | 7 | 75 - 100% | 22 |
0 - 50% | 8 | 33 - 67% | 23 |
0 - 60% | 9 | 67 - 100% | 24 |
0 - 67% | 10 | 50 - 100% | 25 |
0 - 70% | 11 | 10 - 90% | 26 |
0 - 75% | 12 | 20 - 80% | 27 |
0 - 80% | 13 | 25 - 75% | 28 |
0 - 90% | 14 | 30 - 70% | 29 |
0- 100% | 15 | 40 - 80% | 30 |
Special Input Range | Z |
LPI-pH Isolating pH Loop Powered Transmitter |
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The LPI-pH is a loop powered, isolated, pH Cell input, to 4~20mA output transmitter, with integral Pt100 RTD temperature compensation, and LCD display of 0~14.00pH. The LPI-pH is the device to choose when a pH probe is installed in a corrosive, damp, high earth current or electrically noisy environment. The IP67 rating of the transmitter enclosure, together with the corrosion proofed circuit board, give the LPI-pH high immunity to damp and corrosion, allowing it to be mounted close to the pH probe. Having the transmitter close to the pH probe means that the highly sensitive pH probe output signal is amplified and turned into a robust 4~20mA signal before noise exposure from long cable runs can effect it. The unit also features internally accessible, finger adjustable, 15 turn slope and offset adjustments, for easy calibration of the pH sensor, in conjunction with the LCD Display.
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Ordering Information
LPI-pH | Standard Unit: 0-14pH In, 4-20mA Out, with LCD |
pH probes for use with the LPI-pH can also be ordered (for the best possible accuracy iwth the LPI-p, we recommend using a probe that includes teh -Pt100 sensor option)
LPI-R RTD Transmitter |
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Ordering Information
LPI-R-F-X | Standard 0 - 100ºC Input, Upscale, Fixed Input Range Calibration | |||
LPI-R-F |
-1
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-1 | -Special Range | Special Fixed Input Range Calibration |
IR | SB |
LPI-R-P-X | Standard 0 - 100ºC Input, Upscale, Fixed Input Range Calibration | |||
LPI-P-F |
-1
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-1 | -Special Range | Special Fixed Input Range Calibration |
IR | SB |
Input Ranges
Input Ranges [DIN PT100] | |||||||
deg C | IR | deg C | IR | deg F | IR | deg F | IR |
0-20C | 1 | -10-10C | 21 | 0-40F | 41 | -20-20F | 61 |
0-25C | 2 | -10-20C | 22 | 0-50F | 42 | -20-40F | 62 |
0-30C | 3 | -10-40C | 23 | 0-60F | 43 | -20-80F | 63 |
0-40C | 4 | -20-20C | 24 | 0-80F | 44 | -40-40F | 64 |
0-50C | 5 | -20-30C | 25 | 0-100F | 45 | -40-60F | 65 |
0-60C | 6 | -25-25C | 26 | 0-120F | 46 | -50-50F | 66 |
0-70C | 7 | -25-50C | 27 | 0-140F | 47 | -50-100F | 67 |
0-75C | 8 | -30-20C | 28 | 0-150F | 48 | -160-40F | 68 |
0-80C | 9 | -50-50C | 29 | 0-160F | 49 | -100-100F | 69 |
0-90C | 10 | -50-100C | 30 | 0-180F | 50 | -100-200F | 70 |
0-100C | 11 | -50-150C | 31 | 0-200F | 51 | -100-300F | 71 |
0-110C | 12 | -100-100C | 32 | 0-220F | 52 | -200-200F | 72 |
0-120C | 13 | -100-200C | 33 | 0-240F | 53 | -200-400F | 73 |
0-125C | 14 | -200-200C | 34 | 0-250F | 54 | -400-400F | 74 |
0-150C | 15 | -200-400C | 35 | 0-300F | 55 | -400-800F | 75 |
0-200C | 16 | 20-40C | 36 | 0-400F | 56 | 40-80F | 76 |
0-250C | 17 | 50-100C | 37 | 0-500F | 57 | 100-200F | 77 |
0-300C | 18 | -50-150C | 38 | 0-600F | 58 | 100-300F | 78 |
0-400C | 19 | 100-200C | 39 | 0-800F | 59 | 200-400F | 79 |
0-600C | 20 | 100-500C | 40 | 0-1200F | 60 | 200-1000F | 80 |
Special Input Calibration Range | Z | Special Input Range | Z |
Sensor Information
Sensor Break | |
State | SB |
Upscale | US |
Downscale | DS |
LPI-T Thermocouple Transmitter |
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Ordering Information
LPI-T-F-X | Standard; Type K 0-1200c, Upscale, Fixed Input Range Calibration | ||||
LPI-T-F |
-1
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-1 | -1 | -Special Range | Special Fixed Input Range Calibration |
TT | IR | SB |
LPI-T-F-X | Standard; Type K 0-1200c, Upscale, Fixed Input Range Calibration | ||||
LPI-T-F |
-1
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-1 | -1 | -Special Range | Special Fixed Input Range Calibration |
TT | IR | SB |
Range Information
Thermocouple Type | Input Ranges [DIN PT100 | ||||||||
Max Range | TT | deg C | IR | deg C | IR | deg F | IR | deg F | IR |
0-800C | J | 0-100 | 1 | -50-50 | 17 | 0-200 | 41 | -100-100 | 57 |
0-1500F | J | 0-125 | 2 | -100-0 | 18 | 0-250 | 42 | -200-0 | 58 |
0-150 | 3 | -100-100 | 19 | 0-300 | 43 | -200-200 | 59 | ||
0-1200C | K | 0-200 | 4 | -100-200 | 20 | 0-400 | 44 | -200-400 | 60 |
0-2200F | K | 0-250 | 5 | 50-150 | 21 | 0-500 | 45 | 100-300 | 61 |
0-300 | 6 | 100-200 | 22 | 0-600 | 46 | 200-400 | 62 | ||
0-1200C | N | 0-400 | 7 | 200-400 | 23 | 0-800 | 47 | 400-800 | 63 |
0-2200F | N | 0-500 | 8 | 200-600 | 24 | 0-1000 | 48 | 400-1200 | 64 |
0-600 | 9 | 400-800 | 25 | 0-1200 | 49 | 800-1600 | 65 | ||
0-1700C | R | 0-750 | 10 | 400-1200 | 26 | 0-1500 | 50 | 800-2400 | 66 |
0-3100F | R | 0-800 | 11 | 400-1600 | 27 | 0-1600 | 51 | 800-3200 | 67 |
0-1000 | 12 | 500-800 | 28 | 0-2000 | 52 | 1000-1600 | 68 | ||
0-1700C | S | 0-1200 | 13 | 500-1000 | 29 | 0-2400 | 53 | 1000-2000 | 69 |
0-3100F | S | 0-1400 | 14 | 600-1200 | 30 | 0-2800 | 54 | 1000-2400 | 70 |
0-1600 | 15 | 600-1600 | 31 | 0-3000 | 55 | 1200-3000 | 71 | ||
-100-200C | T | 0-1700 | 16 | 1000-1700 | 32 | 0-3200 | 56 | 1200-3200 | 72 |
-150-400F | T | Special Input Range | Z |
Sensor Break | |
State | SB |
Upscale | US |
Downscale | DS |
Please note: that the input range must be within the specified min / max range of the thermocouple type:
Thermocouple Type | Field Programmable Input Ranges | Linearity & Accuracy | |||||||||
Type | Specification Range [C] | Specification Rance [F] | Zero Offset | Sp[an [Max. In - Zero] | %,±1C [±2F] | ||||||
Min [C] | Max [C] | Min [F] | Max [F] | Min [C] | Max [C] | Min [F] | Max [F] | ||||
J | 0-800 | 0-1500 | 0 | 600 | 0 | 1100 | 200 | 800 | 400 | 1500 | 0.25 |
K | 0-1200 | 0-2200 | 0 | 1000 | 0 | 1800 | 200 | 1200 | 400 | 2200 | 0.25 |
N | 0-1200 | 0-2200 | 0 | 1000 | 0 | 1800 | 200 | 1200 | 400 | 2200 | 0.25 |
R | 400-1700 | 750-3100 | 0 | 1300 | 0 | 2400 | 400 | 1700 | 750 | 3100 | 0.5 |
S | 400-1700 | 750-3100 | 0 | 1300 | 0 | 2400 | 400 | 1700 | 750 | 3100 | 0.5 |
T | -100-200 | -150-400 | -100 | 100 | -150 | 200 | 100 | 300 | 200 | 550 | 0.5 |
LPN-DP Differential Pressure Transmitter |
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The Intech LPN-DP (Rev 1) Series Differential Pressure Transmitters provide a very cost effective solution for pressure applications that require high accuracy over very low operating pressure ranges. The sensor is a solid state device and hence offers reliability and long life. The series is designed for use with The LPN-DP (Rev 1) can be used to measure bipolar differential, gauge pressure or vacuum.
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Ordering Information
Order Code | Description | |
LPN-DP-100mm | Differential Range within ±20 to ±200mm W.G Factory set to 0-100mm W.G | |
LPN-DP-1000mm | Differential Range within ±200 to ±2000mm W.G Factory set to 0-1000mm W.G | |
LPN-DP-100kPa | Differential Range within ±20 to ±200kPa Factory set to 0-100kPa |
LPN-H Humidity & Temperature Transmitter |
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The Intech LPN-H is a complete relative humidity and temperature sensing module, with two loop powered 4~20mA output signals, representing 0~100%RH and 0~100ºC. Two versions are available: 1. Wall mount. Both versions come complete in an industry standard aluminium connection head. The digital relative humidity sensor and temperature compensating sensor protrude from the head inside a protective cap. This cap allows air to circulate to the sensors.
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SHT25 - Digital Humidity Sensor [RH&T]
High-precision version of the world's smallest digital humidity sensor. The new SHT25 is the high-end model of Sensirion's new generation of digital humidity and temperature sensors. Compared to the standard version, an even higher level of precision (1.8% RH and 0.2°C typical values) can be guaranteed. The fully calibrated and reflow solderable SHT25 is characterized by the same unique features than the humidity sensor SHT21. It does contain the same newly designed sensor chip that is encapsulated in a DFN 3-0 package of 3 x 3 x 1.1 mm. The complete overmolding - with the exception of the humidity sensor area - protects the capacitive humidity sensor against external impact and facilitates excellent long-term stability.
Maximal accuracy limits for relative humidity and temperature
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LPN-H Ordering Information
Order Code | Description | |
LPN-H-W [rev 1] | Wall Mount, 0~100%RH Transmitter, 0~100ºC Transmitter. | |
LPN-H-D [rev 1] | 220mm Duct Mount, 0~100%RH Transmitter, 0~100ºC Transmitter. | |
LPN-H-F | 100mm Flange for LPN-H-D. |
LPN-H Calibration System
LPN-H-75 | Calibration canister with 75% RH salt solution. | |
LPN-H-43 | Calibration canister with 43% RH salt solution. | |
LPN-H-33 | Calibration canister with 33% RH salt solution. |
LPN-LUX Light Intensity 4-20mA Output Transmitter (replaces the TWN-LUX) |
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The LPN-LUX incorporates an integrated light sensor within an industrial IP66 rated sealed enclosure and is especially designed for high precision linear applications. The sensor has a flat glass window with a built in colour correction filter, giving an approximation to the spectral response in the human eye.
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LPN-LUX Light Intensity 4-20mA Output Transmitter (replaces the TWN-LUX)
Order Code | Description | |
LPN-LUX | Standard Calibration: 1-1000lux Nominal. | |
Special Calibration ranges available: 0-100, 0-500, 0-5000, 0-10000lux. |
Input | 0~1000lux - Standard Calibration. | |
Output | Current | 2 wire 4~20mA (Loop Powered). |
Load Resistance | 600Ω @ 24Vdc. | |
Power Supply | 8~33Vdc (Loop Powered). | |
Temperature Coefficient | 0.15% per 1°C. | |
Operating Temperature | 0~60C (Storage Temp. -20~80C). | |
Operating Humidity | 5~85% RH Max. Non-Condensing. | |
Analogue/Digital Converter | 12 Bit. | |
EMC Compliances | Emissions EN 55022-A. Immunity EN 50082-1. | |
Safety Compliances | EN 60950. | |
Cable Length | 2m. | |
Enclosure | Type | Polycarbonate. |
Ratings | IP66 rated, RoHS Compliant, UL 94 HB Flammability Rating. |
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Dimensions | L=64mm, W=58mm, H=35mm (Length including mounting flanges = 94mm). |
LPN-P Potentiometer Non-Isolated Transmitter |
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Ordering Information
Order Code | Description | |
LPN-P | Standard 0-100% Input | |
Programmable Input Range Calibration |
LPN-R RTD Pt100 In-Head Non-Isolated Transmitter |
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Ordering Information
LPN-R-X1 | Wall Mount, 0~100%RH Transmitter, 0~100ºC Transmitter. | ||||
LPN-CT | EN | SB | ST | Ramge eg: -50/50ºc |
Enclosure [EN] | Sensor Break [SB] | Sensor Type [ST] | |||
EN | IP67 Enclosure L-110 W-80 H65mm | U | Upscale | P | Pt100 |
X1 | DIN Rail Mount: 1Tx L100 W-22.5 H-100mm | D | Downscale | S | Specify |
X2 | DIN Rail Mount: 2Tx L-100 W-22.5 H-100mm |
LPN-R-H RTD Pt100 In-Head Non-Isolated Transmitter |
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Specifications
RTD Input | Pt100 DIN [3 wire type] | |
Sensor Current | 0.5mA Nominal | |
Lead Wire Resistance | 5Ω/Wire max | |
Zero Range | -100°c to 100°c | |
Span Range | 30°c to 600°c | |
Output | 2 wire 4-20mA [loop powered] | |
Power Supply | 10-33Vdc [loop powered] | |
Supply Voltage Sensitivity | <±0.005%/VFSO | |
Output Load Resistance | 700Ω @ 24Vdc [50Ω/V above 10Vdc ] | |
Maximum Output Current | Limited to <26mA typical | |
Sensor Fail | - Upscale | 23mA Min typical |
- Downscale | 3.8mA Max typical | |
EMC Emissions & Immunity Compliance | EN 55022-A & EN 50082-1 | |
Response Time |
200msec typical
[from 10 to 90% 50msec typical]
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Accurate to | <±0.1% FSO typical | |
Linearity & Repeatability | <±0.1% FSO typical | |
Ambient Drift | <±0.1%/C FSO typical | |
RF Immunity | <±1% Effect FSO typical | |
Operating Temperature | -20°c - 80°c | |
Storage Temperature | -30°c - 90°c | |
Operating Ambient Humidity | 5 - 95% RH Max non-condensing |
Ordering Information
Order Code | Description | |||
LPN-R-H | Standard calibration; Pt100, 0-100°c input, Upscale Break | |||
LPN-R-H | EN | SB | Range eg: -50/50°c |
Note 1: | Ranges can be specified within the following limits. Zero Range: -10ºc to 100ºc. Span range: 30ºc to 600ºc. |
Note 2: | Downscale Sensor Break is factory set and minimum order quantities apply |
Enclosure [EN] | Sensor Break [SB] | ||
I | Standard LPN-R-H head mount transmitter | U | Upscale |
C | LPN-R-H in conduit Two Way J-Box 20mm | D | Downscale |
D | LPN-R-H mounted on DIN Rail Mount Foot |