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SMP22 Smart Pyranometer

Quick Overview

The SMP22 Pyranometer is a secondary standard pyranometer with an amplified analogue and RS485 Modbus RTU output. The SMP22 is identical to the CMP22 pyranometer but includes a Modbus interface allowing for an improved response time and rescaleable, temperature corrected measurement data. The amplified output options are 0-1V or 4-20mA and these are identically configured to allow for easy installation and exchange during recalibration. The SMP22 uses very high quality quartz domes for a wider spectral range, improved direction response and reduced thermal offsets. The SMP22 has an internal temperature sensor to monitor the housing temperature, along with individual temperature and direction response values for post-processing of recorded data. The SMP22 also has a refillable desiccant chamber. Spectral range of 200 to 3600nm. The SMP22 is an ideal choice for scientific research requiring the highest level of measurement accuracy and reliability under all conditions.

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Details

The SMP22 is a secondard standard pyranometer that combines the sensor technology of the CMP22 with the added benefits of the both a RS485 Modbus interface and a standardised analogue output. The SMP22 uses a 32-junction thermopile sensing element under two very high quality quartz domes, which allows for a wider spectral range, improved directional error and reduced thermal isolation. The housing include a screw-in drying cartridge that can simply be removed using a coin. This allows the desiccant to be replaced on site without the need for specialist equipment. Convenient desiccant refill packets are available to make this process as simple as possible.

The housing design of the SMP 22 is designed with a internal temperature sensor to monitor the housing temperature and the SMP 22 uses a passive temperature compensation circuit with a standardised linear function to allow for individual temperature compensation. Each instrument is supplied with its own individual temperature and directional response data for improved post processing of recorded data. This individualised data along with the high quality quartz domes allows the SMP22 to be the most accurate pyranometer currently available on the market. The addition of the RS485 communications allows for units to be configured for identical outputs allowing units to be quickly swapped out for any maintenance or other calibration procedures. Providing a near seemless transfer, meaning no loss of data as units are swapped and any connected equipment is adjusted for the new sensors sensitivity.

The SMP22 come with options of either a 0-1V or 4-20mA analogue output and these can be easily rescaled by the user with the supplied PC software. The units are configured with the 0-1V output set as -200 to 2,000Wm² and the 4-20mA output as a 0-1,600Wm². Negative ranges can be used to allow the sensor to show levels at night when there is heat emitted from the sensor. All SMP's have the RS485 Modbus RTU interface, very low power requirements and are supplied with comprehensive, traceable, calibration certificates. Calibrations are traceable to the World Radiometric Reference (WRR) in Davos Switzerland and are performed in accordance with ISO 9847, Annex A.3 'Calibration of Field Pyranometers by comparison to a Reference Pyranometer'.

Diagram

SMP 22 Diagram

Specification

ISO 9060:2018 Classification:	Spectrally Flat Class A
Spectral Range:	350 to 3500nm
Response Time (95%):	<2 Seconds
Zero Offset A:	<±3 W/m²
Zero Offset B:	<±1 Wm²
Directional Error (Up to 80º with 1000 Wm² beam):	<±4 Wm²
Temperature Response:	<±0.3% (-40 to 70°C)
Analogue Output:	-V version: 0-1V -A version: 4-20mA
Analogue Output Range:	-V version: -200 to 2000W/m² -A version: 0 to 1600W/m²
Digital Output:	2 wire RS485 Modbus RTU
Digital Output Range:	-400 to 4000W/m²
Operating Temperature:	-40 to +70°C
Supply Voltage:	5 to 30vDC
Power Consumption (at 12vDC):	-V version: 55mW -A version: 100mW
Ingress Protection:	IP67

SMP22 instruments have an 8-pin socket and can be connected to a standard cable with a pre-wired waterproof 8 pin plug and flying leads. Cable lengths of 10m, 25m, 50m and 100m are available.

Availability: Stock Item

Components / Downloads

For further information, technical advice, or a quotation please call or email us. If you are not sure which product you need one of our technical sales advisors will be happy to discuss your application. We also accept company purchase orders by fax or post. Credit card orders can also be placed over the phone for any product.

REF	DESCRIPTION	DOWNLOADS	PRICE	ORDER ITEM

SMP22-V Smart Pyranometer with 0-1vDC output
0374940-100	SMP22 Smart Pyranometer with a configurable 0-1vDC output. Secondary standard pyranometer with a 32-junction thermopile sensing element under two, 2mm thick, high quality concentric domes. Integrated leveling. Sun shield. Spectral range 250 - 3500nm, response time less than 2 sec (95%), Operating temperature -40 to +80°C. Thermopile detector. 2 wire RS485 Modbus and 0-1V output. Analogue output default range -200 to 2,000W/m², Digital output range -400 to 4,000W/m². Power Supply 5 to 30vDC. Supplied with no plug or cable.	Datasheet Size: (383.35 KB)	£6,790.00	or call us for a quote
0374940-102	SMP22 Smart Pyranometer with a configurable 0-1vDC output. Secondary standard pyranometer with a 32-junction thermopile sensing element under two, 2mm thick, high quality concentric domes. Integrated leveling. Sun shield. Spectral range 250 - 3500nm, response time less than 2 sec (95%), Operating temperature -40 to +80°C. Thermopile detector. 2 wire RS485 Modbus and 0-1V output. Analogue output default range -200 to 2,000W/m², Digital output range -400 to 4,000W/m². Power Supply 5 to 30vDC. Supplied with waterproof 8-pin plug connector with 10m of pre-wired yellow signal cable.		£6,903.00	or call us for a quote

SMP22-A Smart Pyranometer with 4-20mA output
0374940-200	SMP22 Smart Pyranometer with a configurable 4-20mA output. Secondary standard pyranometer with a 32-junction thermopile sensing element under two, 2mm thick, high quality concentric domes. Integrated leveling. Sun shield. Spectral range 250 - 3500nm, response time less than 2 sec (95%), Operating temperature -40 to +80°C. Thermopile detector. 2 wire RS485 Modbus and 4-20mA output. Analogue output default range 0 to 1,600W/m², Digital output range -400 to 4,000W/m². Power Supply 5 to 30vDC. Supplied with no plug or cable.		£6,790.00	or call us for a quote
0374940-202	SMP22 Smart Pyranometer with a configurable 4-20mA output. Secondary standard pyranometer with a 32-junction thermopile sensing element under two, 2mm thick, high quality concentric domes. Integrated leveling. Sun shield. Spectral range 250 - 3500nm, response time less than 2 sec (95%), Operating temperature -40 to +80°C. Thermopile detector. 2 wire RS485 Modbus and 4-20mA output. Analogue output default range 0 to 1,600W/m², Digital output range -400 to 4,000W/m². Power Supply 5 to 30vDC. Supplied with waterproof 8-pin plug connector with 10m of pre-wired yellow signal cable.		£6,903.00	or call us for a quote

Connection Options for SMP, SGR, SUV, CMP21 (PT100), CMP22 (PT100), CGR3 (PT100), CGR4 (PT100), CHP1, CNR4, UVS, CSD3
2523146	Waterproof 8-pin plug connector for the following Kipp & Zonen equipment. SMP Pyranometers, SGR Pyrgeometers, SUV Radiometers, CMP Pyranometers with PT100 output, CGR3 and CGR4 with PT100 output, CHP1, CNR4, UVS Radiometers and CSD3 Sunshine Duration Sensors.		£49.00	or call us for a quote
0362621	Waterproof 8-pin plug connector with 10m of pre-wired high quality yellow signal cable with 8 wires and a shield covered with black sleeve. Suitable for: For SMP, SGR and SUV5 Smart Radiometers, plus CMP21 (PT100), CMP22 (PT100), CGR3 (PT100), CGR4 (PT100), CHP1, CNR4, UVS, CSD3		£173.33	or call us for a quote
0362623	Waterproof 8-pin plug connector with 25m of pre-wired high quality yellow signal cable with 8 wires and a shield covered with black sleeve. Suitable for: For SMP, SGR and SUV5 Smart Radiometers, plus CMP21 (PT100), CMP22 (PT100), CGR3 (PT100), CGR4 (PT100), CHP1, CNR4, UVS, CSD3		£331.99	or call us for a quote
0362624	Waterproof 8-pin plug connector with 50m of pre-wired high quality yellow signal cable with 8 wires and a shield covered with black sleeve. Suitable for: For SMP, SGR and SUV5 Smart Radiometers, plus CMP21 (PT100), CMP22 (PT100), CGR3 (PT100), CGR4 (PT100), CHP1, CNR4, UVS, CSD3		£589.32	or call us for a quote
0362625	Waterproof 8-pin plug connector with 100m of pre-wired high quality yellow signal cable with 8 wires and a shield covered with black sleeve. Suitable for: For SMP, SGR and SUV5 Smart Radiometers, plus CMP21 (PT100), CMP22 (PT100), CGR3 (PT100), CGR4 (PT100), CHP1, CNR4, UVS, CSD3		£1,131.97	or call us for a quote

Mounting Options
0362700	CMF 1 Mounting fixture has a 88mm diameter round plate with a non-removable mounting rod of 16mm diameter and 350mm long. Can be mounted to a pole or wall with the CMB 1 mounting bracket.		£223.99	or call us for a quote
0362703	CMF 4 Mounting fixture has a 280mm diameter plate with a non-removable mounting rod of 20mm diameter and 350mm long. Can be mounted to a pole or wall with the CMB 1 mounting bracket. Suitable for ventilated radiometers.		£614.65	or call us for a quote
0369701	CMB 1 Mounting Bracket. This bracket is suitable for various mounting rod sizes, from 12mm to 20mm diameter, and can be secured via u-bolts to masts or poles from 22mm up to 60mm diameter. The bracket can also be secured directly to a wall, or other flat surface.		£292.00	or call us for a quote