Reference Transmitters
high quality optical transmitters for test and measurement.
See Also: References, Reference Standards, Reference Antennas, Reference Decoders, Reference Jumpers, Reference Sources, Reference Transformers, Acoustical References, Frequency References, Solar Reference Cells, Fiber Optic
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Product
Portable Reference Generator - 5VA
RG-5
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Programmable Frequency & Voltage Portable Sine Wave Generator Sunlight Readlable Display Transformer Isolated Output 360 - 11000 Hz with 1Hz Resolution 1.9V to 125V Output with AGC
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Product
3-Wire Temperature & Humidity Transmitter For Indoor / Duct / Remote Type
Model KM THS 03-04-33-34
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Kusam Electrical Industries Limited
• With compact design and reasonable price, easy to install, high C/P ratio.• High-Tech sensor with high accuracy and long-term stability.
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Product
Interior Temperature, Humidity Transmitter
T3318
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For exacting interiors in building energy management and HVAC systems. Are designed for easy installation on ordinary KU68 wiring boxes for household switches and sockets.
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Temperature Transmitters
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Conversion of Thermocouple, RTD, millivolt and resistance signals from field sensors is accomplished using DEVAR two wire signal transmitters.
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Product
Direct Modulated 1550nm Transmitter
HT1500B
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Hangzhou Huatai Optic Tech. Co., Ltd.
External modulation technology for HT1500B 1550nm transmitter, with the laser working in direct current, has the advantages of no laser chirp, low dispersion distortion, large extinction ratio, and high speed. 1550nm transmitter also has the disadvantages of high cost and high difficulty in manufacturing.
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Product
Precision Chilled Mirror Reference Hygrometers
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Chilled mirror dew-point hygrometers provide highly accurate and stable measurements of trace moisture and humidity. The precision chilled-mirror reference hygrometers are sensitive to changes in very low moisture concentrations (less than 5 ppbV).
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Product
Miniature In Head RTD/ Slidewire Temperature Transmitter
HTR200
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The HTR200 ‘smart’ transmitter is designed for use with RTD or Slidewire sensors. It is integrated into the MA style head making it ideal for applications where space is restricted
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Product
CATV Fiber Optic Transmitter W/ Customer Specified ITU Wavelength
MX- T8500T-HP Series
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The MX-T8500T-HP series externally modulated transmitter with ITU specified wavelengths delivers high performance signal transmission of NTSC, PAL, digital or compressed digital signals from 50-862 MHz for CATV applications.
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Product
Passive Temperature-Humidity Transmitters
HD49… Series
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HD49 transmitters are designed for temperature and humidity control in conditioning and ventilation applications (HVAC/BEMS) in the following sectors: pharmacy, museums, clean rooms, ventilation ducts, industrial and civil sectors, crowded places, canteens, auditoria, gyms, high-density farms, greenhouses, etc.
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Product
950~2400MHz DVB-S 4 Ways SAT-IF & 1 Way CATV DWDM Optical Transmitter & Receiver
HDBS-5000DW
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Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai HDBS-5000DW series is putting C-Band ITU standard wavelength 4 SAT-IF and 1 CATV transmitter or optical receiver into a 1RU 19" standard chassis. Multiplexing 5 optic (TX) or de-multiplexing (RX) through DWDM, and transmit in one fiber. Can be used for high-quality transmission of the same satellite VL, VH, HL, HH different polarization of the 4-way SAT-IF signals and 1 way CATV signals. Installation flexibility.
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Product
Universal Transmitter
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Knick Elektronische Messgeräte GmbH & Co. KG.
Universal Transmitter for temperature, load cells / strain gauge, potentiometer and resistance in 6 mm housing. Functional safety up to SIL 2, SIL 3 redundant to parameterization via interface or intuitively, directly on the device. Universal use with 24 V DC or AC power supply.
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Product
Sonde Point Transmitter
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Sondes are used to trace the path of non-metallic pipes and locate line blockages.
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Product
Differential Pressure Transmitter Trainer
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Unitech Scales And Measurements Pvt. Ltd
This table top model comprises of two pressure chambers. One for high pressure and another for low pressure. The two pressure chambers are fitted with pressure gauges. The differential pressure transmitter is connected to the two chambers. The pressure is built by a foot air pump. Digital instrument is provided to indicate the differential pressure with transmitter output.
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47~862MHz & 950~2600MHz CATV & satellite TV External Modulation Optical Transmitter
HES-26A
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Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai HES-26A CATV & satellite TV 1550nm external modulation optical transmitter, adopts external modulation technology, without laser chirp, extremely low dispersion distortion, large extinction ratio. It fits for high ratio, high broadband, long distance telecommunication network application.
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Product
Differential Pressure Transmitter
668
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Our low cost Series 668 Differential Pressure Transmitter is capable of measuring low pressures with a ±1% accuracy - ideally suited for proper building pressurization and air flow control. Transmitters can withstand up to 10 psig overpressure with no damage to the unit. Variable capacitance sensor design provides excellent sensitivity and long-term stability.
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Temperature Transmitter
SenseAir CO2
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aSENSE is an advanced transmitter for installation in the climate zone. It measures both CO2 concentration and temperature. The data is transmitted to a BMS system or controller and can be configured with UIP Software. Detected values are transformed into two analogue output signals that can be transmitted to a system master or DDC. aSENSE is available both with and without LCD display for FIXED installation in the climate zone as well as in the ventilation duct.
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Product
Intelligent Time Reference
TM-4™and TM-4/OEM™
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The Intelligent Reference/TM-4™ and TM4/OEM™ are multi- purpose, GPS disciplined timing signal generators and frequency references in economical off-the-shelf and custom configurations. Intended for use in a wide variety of timing, synchronization and frequency reference applications, they are based on the most advanced architecture Spectrum has ever offered, and include the most popular features of Spectrum's core platform for current timing products.
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Product
1310nm Direct Modulated Optical Transmitter
ONT-8600AR
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Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai 1310nm direct modulation optical transmitter, adopts high linearity DFB laser of famous brand in the world, and builds-in perfect pre-distortion adjustment circuit and laser APC, ATC closed loop control circuit. All the operating parameters are controlled by microprocessor, and the LCD screen on the front panel can display relative operating status and the fault information. ONT-8600AR has all the technical characteristic and function of ONT-8600AS. For its rainproof structure, it can be installed outside and its power supply is 220VAC or 60VAC optional.
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Product
W-band Transmitter (94 GHz, 50 MW Output Power)
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W-band Transmitter (94 GHz, 50 MW Output Power)
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Direct Burial Half Cell Reference Electrode
DB-A
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Model DB-A Copper-Copper/Sulfate Reference Electrode designed for direct burial for long term monitoring of buried or earth contacting structures.
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Reference Thermometers
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Our Reference Thermapen takes lab accuracy into the field. Each unit is factory calibrated at 5 test points and includes a UKAS accredited calibration certificate with test data. A true "system calibration" is performed matching its Platinum RTD sensor and the built-in electronics so all errors are included in the spec.
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Product
CO2, CO2 and Temperature Transmitters
HD37…
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The transmitters of the HD37… series are used mainly in air quality control by measuring CO2 (Carbon Dioxide) in the ventilation systems. This allows you to vary the number of air change per hour according to ASHRAE and IMC norms.
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Product
Temperature and Humidity Transmitter
T3419-2
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Humidity, temperature probe on a cable. Measured values are also converted to other humidity interpretation: dew point temperature, absolute humidity, specific humidity, mixing ratio, specific enthalpy.
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Absolute Humidity Transmitters
HD3817T / HD38V17T Series
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Dual transmitter for absolute humidity and temperature, Pt100 sensor. Standard configuration range: 0 ÷ 60g/m³ in absolute humidity, 0 ÷ 200°C in temperature. Current or voltage output.
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Product
Temperature, Humidity, CO2 Transmitter
H6020
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The regulators are designed for online measurement of temperature (C or F), relative humidity and carbon dioxide concentration of air without aggressive ingredients. Measured temperature andrelative humidity are recomputed to following humidity expression: dew point temperature, absolutehumidity, specific humidity, mixing ratio and specific enthalpy.
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Product
Indicating Differential Pressure Transmitter
605
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The Series 605 Magnehelic Indicating Transmitter provides for both visual monitoring and electronic control of very low differential pressure.
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Product
Conductivity Transmitter
DO9766T-R1
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output of a conductivity electrode with temperature compensation into a 4÷20 mA signal.
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Product
950~2400MHz DVB-S 4 ways SAT-IF CWDM Optical Transmitter & Receiver
HDBS-4000CW
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Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai HDBS-4000CW series is integrated 4pcs of SAT-IF CWDM standard wavelength optical transmitters with optical receivers in a casing. Through CWDM, Transmitter 4 ways optical multiplex (TX) or demultiplex (RX) through one fiber. It can be well used in transmitting a satellite VL, VH, HL, HH different polarize 4 way SAT-IF signal. It can be easily operated.
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Temperature and Humidity Duct Mount Transmitter
T3413D
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Relative humidity, temperature sensors at 150mm stem. Measured values are also converted to other humidity interpretation: dew point temperature, absolute humidity, specific humidity, mixing ratio, specific enthalpy.
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Product
Piezoresistive Miniature Pressure Transmitters
Series 21 PY "Pisello"
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KELLER AG für Druckmesstechnik
Ultramodern welding techniques and advances in the miniaturization of electronic circuits now make it possible to manufacture a pre-insulated, piezoresistive micro-transmitter with properties that were no more than a dream 10 years ago.
