Data Acquisition


System 5000™


Data Acquisition with
Satellite Communications




Data Acquisition with
Pressure Measurement


Satellite Transmitters


Radio Transmitters

H-4400 Line of Site Series

Data & Voice Modems


Submersible Sensors



Non-Submersible Sensors

H-3551 "Smart Gas" Bubbler

H-3531 "FlashLite" Pressure

H-3553 Bubbler & Pressure

H-3521 Pressure Sensor

Non-Contact Sensors

H-3611 / H-3612 / H-3613

Position Indicators


Alert Modules


Shaft Encoders

H-3301 / H-3311 / H-3342

Met Sensors

H-3401 Rain Gauge

H-375 Wind Sensor

H-377 Air/Water/Soil Temp

H-378 Barometric Sensor

H-380 Relative Humidity

H-3791 Pyranometer

Other YSI Products

YSI Water Quality Instruments

SonTek Acoustic Doppler Systems for water velocity

YSI Systems & Services

Ask a Question


Events & Training

Find a Distributor

Product Service

Resource Library

Warranty Card Online

Welcome from the GM



Career Opportunities

Environmental Stewardship

Sustainability Report


Xylem Watermark

WaterLog - a xylem brand
Find WaterLOG on Facebook Follow WaterLOG on Twitter Watch WaterLOG on YouTube

H-2191 Voice/Data Modem Series

Share |

The WaterLOG® H-219 series are voice/data modems which transmit gauge station measurement data over various communication links.


H-2191 Voice/Data Modem Land Line Ready

H-2192 Voice/Data Modem AT&T Cell Ready with GPRS Capability

H-2191 Voice/Data Modem

Send me a Quote!
Find a Distributor

Find a Distributor

WaterLog has Authorized Distributors all over the globe. View a map and find your closest contact for WaterLog H-2191 Voice/Data Modem Series products and accessories.

Contact Technical Support

Get Support

Have a question about your H-2191 Voice/Data Modem Series? Check out the support page with resources compiled just for you.

Product Service

Product Service Centers

Want to return a product for service? Here you'll find authorized service centers and instructions on how to send in your H-2191 Voice/Data Modem Series.


Transmit gauge station measurement data over various communication links


  • Send measurement data in either voice or data mode
  • Available with either telephone or GPRS modem
  • Automatic voice call out from remote site on user defined alarm conditions
  • Built in text-to-speech voice synthesizer
  • Low power operation, with flexible power management for GPRS modem and radio
  • Firmware upgrade via USB port
  • Switch closure input for generating alarm call out voice messages
  • Works with the XL series of data loggers allowing any of the sensor readings to be transmitted.
  • Can be added to existing sites
  • Compatible with other data loggers for basic communications



Telephone Option (H-2191 only) Features V.34 / 33.6Kbps + Voice
Approval FCC Part 68
Safety UL 60950

GPRS Option        (H-2192 Only)

Type GPRS, quad band, 14,400bps
Frequency 850/900/1800/1900 MHz
Safety UL 60950-1
Network PTCRB
Voice Synthesizer Type

Text-to-speech, voice concatenation using human voice samples. Pitch, volume, tone, speed, expression, articulation, delay and format frequency are programmable. A user programmable dictionary allows the pronunciation of any character to be redefined.

Alarm Input Port Type Switch Closure
Voltage Input 0 to 3.3Vm internal 47K-ohm pullup to 3.3V (5 Volt Tolerant)
Connector 2-Pin Plug-in Terminal
Power Input Voltage 9.0 to 16.0 Volts DC
Current 900uA (sleep, all sub systems off)
900uA typ (standby, telephone)
25mA typ (standby, GPRS Active)
120 mA max (transmitting, GPRS)
95 mA typ (standby, radio)
Material Enclosure Aluminium, vinyl clad
Size 4.0" x 6.5" x 1.5"
Mounting Mount bracket included


RS-232   DB-9, female
Telephone  RJ-11 modular jack
Power  Phoenix Contact P/N 1757019
Alarm  Phoenix Contact P/N 1757019
Radio 2x5 box header for ribbon cable


 SMA, 50 ohm (H-2192 only)

USB      USB Type B
Ethernet 10/100 Base-T
HF Radio Interface  Radio Data Radio DL-3400 (Not Supplied)
Type Analog, synthesized telemetry link
Frequency 132-174 MHz VHF or 380-512 MHz UHF
Power 5-watts at 13.3V
Switched +12 Volt Internal 4.0 A solid state circuit breaker power external radio
RS-232 Port Type RS-232, DEC pinout
Baud Rate 9600/A8/N (programmable)
Connector DB-9, female
USB Port Type Type-B, device, self powered
Operation Supports field firmware upgrade
Ethernet Port Type 10/100 Base-T
For Future Development
LED Indicators Modem Power Green
Radio Power Green
DSR Green
DCD Green
GPRS LINK Green (H-2192 only)
Temperature Operating  -40° to +60°C (H-2191)
Operating  -30° to +60°C (GPRS)(H-2192)
Storage  -40° to +60°C
Humidity 0 to 95% non-condensing


Order Information


Telephone Modem H-2191

GPRS Modem

Warranty The WaterLOG® H-2191 & H2192  are warranted against defects in materials and workmanship for two years from date of shipment.
Specifications subject to change without prior notice due to ongoing commitment to product testing and improvement. LR August 22, 2013 D41 0813





<< Back to Products page