Delta OHM HD35 Series User Manual

The quality level of our instruments is the result of the constant development of the
product. This may produce some differences between the information written in this
manual and the instrument you have purchased. We cannot completely exclude the
possibility of errors in the manual, for which we apologize.
The data, images and descriptions included in this manual cannot be legally asserted.
We reserve the right to make changes and corrections with no prior notice.
REV. 1.3
11/04/2014
HD35… series
Wireless
Data Logging System
ENGLISH

Delta OHM HD35 Series Specifications

General

Data Storage	Internal memory
Communication Interface	USB
Relative Humidity Range	0 to 100%RH
Relative Humidity Accuracy	±1.5%RH
Measurement Parameters	Temperature, Relative Humidity
Measurement Range	Humidity: 0 to 100%RH
Accuracy	Relative Humidity: ±1.5% RH
Resolution	Temperature: 0.1°C, Relative Humidity: 0.1% RH
Power Supply	Battery
Temperature Range	-40 to 80°C
Sampling Interval	1 second to 24 hours
Protection Rating	IP67 (with connector protection)
Protection Degree	IP67 (with connector protection)

Summary

1 Introduction

2 System Components

HD35AP... Base Unit

Describes the base unit's role as an interface between loggers and PC.

HD35ED... Data Loggers

Describes remote devices that acquire and store measurements.

3 Installing the System

Adding Devices to the Network

Procedure for adding devices to the wireless network.

Configuring Network Parameters

Setting system operation parameters like logging intervals and alarm thresholds.

6 Base Unit HD35AP...

6.2 Description

Explains the physical components and LEDs of the base unit.

6.4 USB Connection

Procedure for connecting the base unit to a PC via USB.

7 HD35RE Repeater

7.1 Description

Explains the physical components and LEDs of the repeater.

8 HD35ED... Data Loggers for Indoor Use

8.1 Description

Explains the components and LEDs of indoor data loggers.

8.4 The Menu in LCD Data Loggers

Navigating the data logger menu for configuration.

8.6 Calibration

8.6.1 CO Sensor Calibration

Procedure for calibrating the CO sensor to 0 ppm.

8.6.3 CO2 Sensor Calibration

Procedure for calibrating the CO2 sensor.

9 HD35EDW... Waterproof Data Loggers

9.1 Description

Explains the components and LEDs of waterproof data loggers.

9.3 Connection to the Wireless Network

Connecting and disconnecting waterproof data loggers to the network.

10 HD35ED-ALM Remote Alarm Device

10.1 Description

Explains the components and LEDs of the alarm device.

11 MODBUS

12 DIMENSIONS

13 Relative Humidity and Temperature Probes

Details on combined probes for temperature and relative humidity.

15 SAFETY INSTRUCTIONS

16 ORDERING CODES

Information on ordering base units, repeaters, and alarm modules.

FCC and IC Notices and Approvals

WARRANTY

CE CONFORMITY

Product compliance with EMC and low voltage directives.